RHSA-2025:23744

Vulnerability from csaf_redhat - Published: 2025-12-22 02:12 - Updated: 2025-12-22 18:13
Summary
Red Hat Security Advisory: git-lfs security update

Notes

Topic
An update for git-lfs is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Git Large File Storage (LFS) replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while storing the file contents on a remote server. Security Fix(es): * git-lfs: Git LFS may write to arbitrary files via crafted symlinks (CVE-2025-26625) 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.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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        "name": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)"
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          "text": "A flaw was found in Git LFS. Running git lfs checkout and git lfs pull in a specially crafted repository, specifically with symbolic or hard links tracked by Git LFS and pointing to files outside the working tree or in a bare repository, can cause Git LFS to write to arbitrary file system locations accessible to the user running these commands.",
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          "text": "This vulnerability can cause Git LFS to write to arbitrary file system locations accessible to the user running git lfs checkout and git lfs pull. These commands are typically run by regular users without special access to system files, limiting the impact of this issue.",
          "title": "Statement"
        },
        {
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          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-26625"
        },
        {
          "category": "external",
          "summary": "RHBZ#2404720",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2404720"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-26625",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-26625"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-26625",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26625"
        },
        {
          "category": "external",
          "summary": "https://github.com/git-lfs/git-lfs/commit/0cffe93176b870055c9dadbb3cc9a4a440e98396",
          "url": "https://github.com/git-lfs/git-lfs/commit/0cffe93176b870055c9dadbb3cc9a4a440e98396"
        },
        {
          "category": "external",
          "summary": "https://github.com/git-lfs/git-lfs/commit/5c11ffce9a4f095ff356bc781e2a031abb46c1a8",
          "url": "https://github.com/git-lfs/git-lfs/commit/5c11ffce9a4f095ff356bc781e2a031abb46c1a8"
        },
        {
          "category": "external",
          "summary": "https://github.com/git-lfs/git-lfs/commit/d02bd13f02ef76f6807581cd6b34709069cb3615",
          "url": "https://github.com/git-lfs/git-lfs/commit/d02bd13f02ef76f6807581cd6b34709069cb3615"
        },
        {
          "category": "external",
          "summary": "https://github.com/git-lfs/git-lfs/releases/tag/v3.7.1",
          "url": "https://github.com/git-lfs/git-lfs/releases/tag/v3.7.1"
        },
        {
          "category": "external",
          "summary": "https://github.com/git-lfs/git-lfs/security/advisories/GHSA-6pvw-g552-53c5",
          "url": "https://github.com/git-lfs/git-lfs/security/advisories/GHSA-6pvw-g552-53c5"
        }
      ],
      "release_date": "2025-10-17T15:30:14.630000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-12-22T02:12:57+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.aarch64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.ppc64le",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.s390x",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.src",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.x86_64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.aarch64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.ppc64le",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.s390x",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.x86_64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.aarch64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.ppc64le",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.s390x",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2025:23744"
        },
        {
          "category": "workaround",
          "details": "To prevent the creation of symbolic links when cloning or fetching a repository, the core.symlinks configuration option can be set to false, mitigating this vulnerability for new repositories. However, existing repositories containing symbolic or hard links are still vulnerable to this issue.\n\nUse the following command to set the core.symlinks configuration option to false:\n\n~~~\ngit config --global core.symlinks false\n~~~",
          "product_ids": [
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.aarch64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.ppc64le",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.s390x",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.src",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.x86_64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.aarch64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.ppc64le",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.s390x",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.x86_64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.aarch64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.ppc64le",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.s390x",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.aarch64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.ppc64le",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.s390x",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.src",
            "AppStream-9.7.0.Z.MAIN:git-lfs-0:3.6.1-4.el9_7.x86_64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.aarch64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.ppc64le",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.s390x",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debuginfo-0:3.6.1-4.el9_7.x86_64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.aarch64",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.ppc64le",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.s390x",
            "AppStream-9.7.0.Z.MAIN:git-lfs-debugsource-0:3.6.1-4.el9_7.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "git-lfs: Git LFS may write to arbitrary files via crafted symlinks"
    }
  ]
}


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Tags
Taxonomy of the tags.




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.