Vulnerability-Lookup

alsa-2023:0611

Vulnerability from osv_almalinux

Published

2023-02-06 00:00

Modified

2023-02-07 21:03

Summary

Important: git security update

Details

Git is a distributed revision control system with a decentralized architecture. As opposed to centralized version control systems with a client-server model, Git ensures that each working copy of a Git repository is an exact copy with complete revision history. This not only allows the user to work on and contribute to projects without the need to have permission to push the changes to their official repositories, but also makes it possible for the user to work with no network connection.

Security Fix(es):

git: gitattributes parsing integer overflow (CVE-2022-23521)
git: Heap overflow in git archive, git log --format leading to RCE (CVE-2022-41903)

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-2023:0611	ADVISORY
	https://access.redhat.com/security/cve/CVE-2022-23521	REPORT
	https://access.redhat.com/security/cve/CVE-2022-41903	REPORT
	https://bugzilla.redhat.com/2162055	REPORT
	https://bugzilla.redhat.com/2162056	REPORT
	https://errata.almalinux.org/9/ALSA-2023-0611.html	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "git"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "git-all"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "git-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "git-core-doc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "git-credential-libsecret"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "git-daemon"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "git-email"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "git-gui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "git-instaweb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "git-subtree"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "git-svn"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "gitk"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "gitweb"
      },
      "ranges": [
        {
          "events": [
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              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "perl-Git"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "perl-Git-SVN"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31.1-3.el9_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Git is a distributed revision control system with a decentralized architecture. As opposed to centralized version control systems with a client-server model, Git ensures that each working copy of a Git repository is an exact copy with complete revision history. This not only allows the user to work on and contribute to projects without the need to have permission to push the changes to their official repositories, but also makes it possible for the user to work with no network connection.\n\nSecurity Fix(es):\n\n* git: gitattributes parsing integer overflow (CVE-2022-23521)\n* git: Heap overflow in `git archive`, `git log --format` leading to RCE (CVE-2022-41903)\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-2023:0611",
  "modified": "2023-02-07T21:03:26Z",
  "published": "2023-02-06T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2023:0611"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2022-23521"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2022-41903"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2162055"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2162056"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2023-0611.html"
    }
  ],
  "related": [
    "CVE-2022-23521",
    "CVE-2022-41903"
  ],
  "summary": "Important: git security update"
}

CVE-2022-41903 (GCVE-0-2022-41903)

Vulnerability from cvelistv5 – Published: 2023-01-17 22:17 – Updated: 2025-03-10 21:21

Title

Integer overflow in `git archive`, `git log --format` leading to RCE in git

Summary

Git is distributed revision control system. `git log` can display commits in an arbitrary format using its `--format` specifiers. This functionality is also exposed to `git archive` via the `export-subst` gitattribute. When processing the padding operators, there is a integer overflow in `pretty.c::format_and_pad_commit()` where a `size_t` is stored improperly as an `int`, and then added as an offset to a `memcpy()`. This overflow can be triggered directly by a user running a command which invokes the commit formatting machinery (e.g., `git log --format=...`). It may also be triggered indirectly through git archive via the export-subst mechanism, which expands format specifiers inside of files within the repository during a git archive. This integer overflow can result in arbitrary heap writes, which may result in arbitrary code execution. The problem has been patched in the versions published on 2023-01-17, going back to v2.30.7. Users are advised to upgrade. Users who are unable to upgrade should disable `git archive` in untrusted repositories. If you expose git archive via `git daemon`, disable it by running `git config --global daemon.uploadArch false`.

Severity ?

9.8 (Critical)


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

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

GitHub_M

References

URL

Tags

	https://github.com/git/git/security/advisories/GH…	x_refsource_CONFIRM
	https://github.com/git/git/commit/508386c6c5857b4…	x_refsource_MISC
	https://git-scm.com/book/en/v2/Customizing-Git-Gi…	x_refsource_MISC
	https://git-scm.com/docs/pretty-formats#Documenta…	x_refsource_MISC
	https://security.gentoo.org/glsa/202312-15

Impacted products

	Vendor	Product	Version
	git	git	Affected: < 2.30.7 Affected: >= 2.31.0, < 2.31.6 Affected: >= 2.32.0, < 2.32.5 Affected: >= 2.33.0, < 2.33.6 Affected: >= 2.34.0, < 2.34.6 Affected: >= 2.35.0, < 2.35.6 Affected: >= 2.36.0, < 2.36.4 Affected: >= 2.37.0, < 2.37.5 Affected: >= 2.38.0, < 2.38.3 Affected: = 2.39.0

Show details on NVD website

JSON

To clipboard

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          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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                "id": "CVE-2022-41903",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "versions": [
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          "value": "Git is distributed revision control system. `git log` can display commits in an arbitrary format using its `--format` specifiers. This functionality is also exposed to `git archive` via the `export-subst` gitattribute. When processing the padding operators, there is a integer overflow in `pretty.c::format_and_pad_commit()` where a `size_t` is stored improperly as an `int`, and then added as an offset to a `memcpy()`. This overflow can be triggered directly by a user running a command which invokes the commit formatting machinery (e.g., `git log --format=...`). It may also be triggered indirectly through git archive via the export-subst mechanism, which expands format specifiers inside of files within the repository during a git archive. This integer overflow can result in arbitrary heap writes, which may result in arbitrary code execution. The problem has been patched in the versions published on 2023-01-17, going back to v2.30.7. Users are advised to upgrade. Users who are unable to upgrade should disable `git archive` in untrusted repositories. If you expose git archive via `git daemon`, disable it by running `git config --global daemon.uploadArch false`."
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            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
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            "version": "3.1"
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          "tags": [
            "x_refsource_MISC"
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          "url": "https://git-scm.com/book/en/v2/Customizing-Git-Git-Attributes#_export_subst"
        },
        {
          "name": "https://git-scm.com/docs/pretty-formats#Documentation/pretty-formats.txt-emltltNgttruncltruncmtruncem",
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      "title": "Integer overflow in `git archive`, `git log --format` leading to RCE in git"
    }
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    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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    "dateReserved": "2022-09-30T16:38:28.931Z",
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}

CVE-2022-23521 (GCVE-0-2022-23521)

Vulnerability from cvelistv5 – Published: 2023-01-17 22:17 – Updated: 2025-02-13 16:32

Title

gitattributes parsing integer overflow in git

Summary

Git is distributed revision control system. gitattributes are a mechanism to allow defining attributes for paths. These attributes can be defined by adding a `.gitattributes` file to the repository, which contains a set of file patterns and the attributes that should be set for paths matching this pattern. When parsing gitattributes, multiple integer overflows can occur when there is a huge number of path patterns, a huge number of attributes for a single pattern, or when the declared attribute names are huge. These overflows can be triggered via a crafted `.gitattributes` file that may be part of the commit history. Git silently splits lines longer than 2KB when parsing gitattributes from a file, but not when parsing them from the index. Consequentially, the failure mode depends on whether the file exists in the working tree, the index or both. This integer overflow can result in arbitrary heap reads and writes, which may result in remote code execution. The problem has been patched in the versions published on 2023-01-17, going back to v2.30.7. Users are advised to upgrade. There are no known workarounds for this issue.

Severity ?

9.8 (Critical)


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

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

GitHub_M

References

URL

Tags

	https://github.com/git/git/security/advisories/GH…	x_refsource_CONFIRM
	https://github.com/git/git/commit/508386c6c5857b4…	x_refsource_MISC
	https://security.gentoo.org/glsa/202312-15

Impacted products

	Vendor	Product	Version
	git	git	Affected: < 2.30.7 Affected: >= 2.31.0, < 2.31.6 Affected: >= 2.32.0, < 2.32.5 Affected: >= 2.33.0, < 2.33.6 Affected: >= 2.34.0, < 2.34.6 Affected: >= 2.35.0, < 2.35.6 Affected: >= 2.36.0, < 2.36.4 Affected: >= 2.37.0, < 2.37.5 Affected: >= 2.38.0, < 2.38.3 Affected: = 2.39.0

Show details on NVD website

JSON

To clipboard

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            "url": "https://github.com/git/git/security/advisories/GHSA-c738-c5qq-xg89"
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                "options": [
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          "product": "git",
          "vendor": "git",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.30.7"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.31.0, \u003c 2.31.6"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.32.0, \u003c 2.32.5"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.33.0, \u003c 2.33.6"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.34.0, \u003c 2.34.6"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.35.0, \u003c 2.35.6"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.36.0, \u003c 2.36.4"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.37.0, \u003c 2.37.5"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.38.0, \u003c 2.38.3"
            },
            {
              "status": "affected",
              "version": "= 2.39.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Git is distributed revision control system. gitattributes are a mechanism to allow defining attributes for paths. These attributes can be defined by adding a `.gitattributes` file to the repository, which contains a set of file patterns and the attributes that should be set for paths matching this pattern. When parsing gitattributes, multiple integer overflows can occur when there is a huge number of path patterns, a huge number of attributes for a single pattern, or when the declared attribute names are huge. These overflows can be triggered via a crafted `.gitattributes` file that may be part of the commit history. Git silently splits lines longer than 2KB when parsing gitattributes from a file, but not when parsing them from the index. Consequentially, the failure mode depends on whether the file exists in the working tree, the index or both. This integer overflow can result in arbitrary heap reads and writes, which may result in remote code execution. The problem has been patched in the versions published on 2023-01-17, going back to v2.30.7. Users are advised to upgrade. There are no known workarounds for this issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-190",
              "description": "CWE-190: Integer Overflow or Wraparound",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-12-27T10:06:27.570Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/git/git/security/advisories/GHSA-c738-c5qq-xg89",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/git/git/security/advisories/GHSA-c738-c5qq-xg89"
        },
        {
          "name": "https://github.com/git/git/commit/508386c6c5857b4faa2c3e491f422c98cc69ae76",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/git/git/commit/508386c6c5857b4faa2c3e491f422c98cc69ae76"
        },
        {
          "url": "https://security.gentoo.org/glsa/202312-15"
        }
      ],
      "source": {
        "advisory": "GHSA-c738-c5qq-xg89",
        "discovery": "UNKNOWN"
      },
      "title": "gitattributes parsing integer overflow in git"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2022-23521",
    "datePublished": "2023-01-17T22:17:17.765Z",
    "dateReserved": "2022-01-19T21:23:53.781Z",
    "dateUpdated": "2025-02-13T16:32:19.291Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-2023:0611

Vulnerability from osv_almalinux

CVE-2022-41903 (GCVE-0-2022-41903)

CVE-2022-23521 (GCVE-0-2022-23521)

Tags

Sightings

Nomenclature