Vulnerability-Lookup

alsa-2024:4749

Vulnerability from osv_almalinux

Published

2024-07-23 00:00

Modified

2024-07-25 08:35

Summary

Moderate: edk2 security update

Details

EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM.

Security Fix(es):

EDK2: integer overflow in CreateHob() could lead to HOB OOB R/W (CVE-2022-36765)
edk2: Predictable TCP Initial Sequence Numbers (CVE-2023-45236)
edk2: Use of a Weak PseudoRandom Number Generator (CVE-2023-45237)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

URL

Type

	https://access.redhat.com/errata/RHSA-2024:4749	ADVISORY
	https://access.redhat.com/security/cve/CVE-2022-36765	REPORT
	https://access.redhat.com/security/cve/CVE-2023-45236	REPORT
	https://access.redhat.com/security/cve/CVE-2023-45237	REPORT
	https://bugzilla.redhat.com/2257584	REPORT
	https://bugzilla.redhat.com/2258703	REPORT
	https://bugzilla.redhat.com/2258706	REPORT
	https://errata.almalinux.org/9/ALSA-2024-4749.html	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "edk2-aarch64"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20231122-6.el9_4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "edk2-ovmf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20231122-6.el9_4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "edk2-tools"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20231122-6.el9_4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "edk2-tools-doc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20231122-6.el9_4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. \n\nSecurity Fix(es):\n\n* EDK2: integer overflow in CreateHob() could lead to HOB OOB R/W (CVE-2022-36765)\n* edk2: Predictable TCP Initial Sequence Numbers (CVE-2023-45236)\n* edk2: Use of a Weak PseudoRandom Number Generator (CVE-2023-45237)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "id": "ALSA-2024:4749",
  "modified": "2024-07-25T08:35:23Z",
  "published": "2024-07-23T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2024:4749"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2022-36765"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2023-45236"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2023-45237"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2257584"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2258703"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2258706"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2024-4749.html"
    }
  ],
  "related": [
    "CVE-2022-36765",
    "CVE-2023-45236",
    "CVE-2023-45237"
  ],
  "summary": "Moderate: edk2 security update"
}

CVE-2023-45237 (GCVE-0-2023-45237)

Vulnerability from cvelistv5 – Published: 2024-01-16 16:11 – Updated: 2025-11-04 18:17

Title

Use of a Weak PseudoRandom Number Generator in EDK II Network Package

Summary

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

Severity ?

5.3 (Medium)


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

CWE

CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Assigner

TianoCore

References

URL

Tags

	https://github.com/tianocore/edk2/security/adviso…
	http://www.openwall.com/lists/oss-security/2024/01/16/2
	https://security.netapp.com/advisory/ntap-2024030…

Impacted products

	Vendor	Product	Version
	TianoCore	edk2	Affected: edk2-stable202308

Credits

Quarkslab Vulnerability Reports Team Doug Flick

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T18:17:42.321Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
          },
          {
            "url": "https://www.kb.cert.org/vuls/id/132380"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-45237",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-13T19:58:00.747301Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-13T19:58:20.536Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "edk2",
          "vendor": "TianoCore",
          "versions": [
            {
              "status": "affected",
              "version": "edk2-stable202308"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Quarkslab Vulnerability Reports Team"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Doug Flick"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "EDK2\u0027s Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality."
            }
          ],
          "value": "EDK2\u0027s Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-13",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-13 Subverting Environment Variable Values"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-338",
              "description": "CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-07T17:06:47.741Z",
        "orgId": "65518388-201a-4f93-8712-366d21fe8d2c",
        "shortName": "TianoCore"
      },
      "references": [
        {
          "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Use of a Weak PseudoRandom Number Generator in EDK II Network Package",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c",
    "assignerShortName": "TianoCore",
    "cveId": "CVE-2023-45237",
    "datePublished": "2024-01-16T16:11:11.556Z",
    "dateReserved": "2023-10-05T20:48:19.879Z",
    "dateUpdated": "2025-11-04T18:17:42.321Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2022-36765 (GCVE-0-2022-36765)

Vulnerability from cvelistv5 – Published: 2024-01-09 16:10 – Updated: 2025-11-03 19:27

Title

Integer Overflow in CreateHob

Summary

EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.

Severity ?

7 (High)


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

CWE

CWE-680 - Integer Overflow to Buffer Overflow

Assigner

TianoCore

References

URL

Tags

	https://github.com/tianocore/edk2/security/adviso…
	https://lists.fedoraproject.org/archives/list/pac…

Impacted products

	Vendor	Product	Version
	TianoCore	edk2	Affected: * , ≤ 202311 (Stable)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T19:27:16.178Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-36765",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-08T15:56:33.385699Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-03T14:31:09.112Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "edk2",
          "vendor": "TianoCore",
          "versions": [
            {
              "lessThanOrEqual": "202311",
              "status": "affected",
              "version": "*",
              "versionType": "Stable"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "EDK2 is susceptible to a vulnerability in the CreateHob\u003ccode\u003e()\u003c/code\u003e function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability."
            }
          ],
          "value": "EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-680",
              "description": "CWE-680: Integer Overflow to Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-13T02:06:08.073Z",
        "orgId": "65518388-201a-4f93-8712-366d21fe8d2c",
        "shortName": "TianoCore"
      },
      "references": [
        {
          "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Integer Overflow in CreateHob",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c",
    "assignerShortName": "TianoCore",
    "cveId": "CVE-2022-36765",
    "datePublished": "2024-01-09T16:10:16.350Z",
    "dateReserved": "2022-07-25T19:43:11.215Z",
    "dateUpdated": "2025-11-03T19:27:16.178Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2023-45236 (GCVE-0-2023-45236)

Vulnerability from cvelistv5 – Published: 2024-01-16 16:10 – Updated: 2025-11-04 18:17

Title

Predictable TCP ISNs in EDK II Network Package

Summary

Severity ?

5.8 (Medium)


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

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

TianoCore

References

URL

Tags

	https://github.com/tianocore/edk2/security/adviso…
	http://www.openwall.com/lists/oss-security/2024/01/16/2
	https://security.netapp.com/advisory/ntap-2024030…

Impacted products

	Vendor	Product	Version
	TianoCore	edk2	Affected: edk2-stable202308

Credits

Quarkslab Vulnerability Reports Team Doug Flick

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T18:17:41.127Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
          },
          {
            "url": "https://www.kb.cert.org/vuls/id/132380"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-45236",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-08T15:43:01.945966Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-02T15:08:46.317Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "edk2",
          "vendor": "TianoCore",
          "versions": [
            {
              "status": "affected",
              "version": "edk2-stable202308"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Quarkslab Vulnerability Reports Team"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Doug Flick"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "EDK2\u0027s Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality."
            }
          ],
          "value": "EDK2\u0027s Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-13",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-13 Subverting Environment Variable Values"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-07T17:06:52.762Z",
        "orgId": "65518388-201a-4f93-8712-366d21fe8d2c",
        "shortName": "TianoCore"
      },
      "references": [
        {
          "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Predictable TCP ISNs in EDK II Network Package",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c",
    "assignerShortName": "TianoCore",
    "cveId": "CVE-2023-45236",
    "datePublished": "2024-01-16T16:10:38.262Z",
    "dateReserved": "2023-10-05T20:48:19.879Z",
    "dateUpdated": "2025-11-04T18:17:41.127Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

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

alsa-2024:4749

Vulnerability from osv_almalinux

CVE-2023-45237 (GCVE-0-2023-45237)

CVE-2022-36765 (GCVE-0-2022-36765)

CVE-2023-45236 (GCVE-0-2023-45236)

Tags

Sightings

Nomenclature