CVE-2022-41903
Vulnerability from cvelistv5
Published
2023-01-17 22:17
Modified
2024-08-03 12:56
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Integer overflow in `git archive`, `git log --format` leading to RCE in git
References
security-advisories@github.comhttps://git-scm.com/book/en/v2/Customizing-Git-Git-Attributes#_export_substVendor Advisory
security-advisories@github.comhttps://git-scm.com/docs/pretty-formats#Documentation/pretty-formats.txt-emltltNgttruncltruncmtruncemVendor Advisory
security-advisories@github.comhttps://github.com/git/git/commit/508386c6c5857b4faa2c3e491f422c98cc69ae76Patch, Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/git/git/security/advisories/GHSA-475x-2q3q-hvwqThird Party Advisory
security-advisories@github.comhttps://security.gentoo.org/glsa/202312-15
Impacted products
gitgit
Show details on NVD website

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            "name": "https://github.com/git/git/commit/508386c6c5857b4faa2c3e491f422c98cc69ae76",
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            "url": "https://security.gentoo.org/glsa/202312-15"
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    "cna": {
      "affected": [
        {
          "product": "git",
          "vendor": "git",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.30.7"
            },
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              "status": "affected",
              "version": "\u003e= 2.31.0, \u003c 2.31.6"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.32.0, \u003c 2.32.5"
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            {
              "status": "affected",
              "version": "\u003e= 2.33.0, \u003c 2.33.6"
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              "version": "\u003e= 2.34.0, \u003c 2.34.6"
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              "version": "\u003e= 2.35.0, \u003c 2.35.6"
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              "version": "\u003e= 2.36.0, \u003c 2.36.4"
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            {
              "status": "affected",
              "version": "\u003e= 2.37.0, \u003c 2.37.5"
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            {
              "status": "affected",
              "version": "\u003e= 2.38.0, \u003c 2.38.3"
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          "lang": "en",
          "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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            "confidentialityImpact": "HIGH",
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            "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"
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          "name": "https://git-scm.com/book/en/v2/Customizing-Git-Git-Attributes#_export_subst",
          "tags": [
            "x_refsource_MISC"
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          "url": "https://git-scm.com/book/en/v2/Customizing-Git-Git-Attributes#_export_subst"
        },
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          "name": "https://git-scm.com/docs/pretty-formats#Documentation/pretty-formats.txt-emltltNgttruncltruncmtruncem",
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        "discovery": "UNKNOWN"
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    "dateReserved": "2022-09-30T16:38:28.931Z",
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  }
}


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