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CVE-2023-22490

CVE-2023-22490 · Git vulnerable to local clone-based data exfiltration with non-local transports

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Git is a revision control system. Using a specially-crafted repository, Git prior to versions 2.39.2, 2.38.4, 2.37.6, 2.36.5, 2.35.7, 2.34.7, 2.33.7, 2.32.6, 2.31.7, and 2.30.8 can be tricked into using its local clone optimization even when using a non-local transport. Though Git will abort local clones whose source `$GIT_DIR/objects` directory contains symbolic links, the `objects` directory itself may still be a symbolic link. These two may be combined to include arbitrary files based on known paths on the victim's filesystem within the malicious repository's working copy, allowing for data exfiltration in a similar manner as CVE-2022-39253. A fix has been prepared and will appear in v2.39.2 v2.38.4 v2.37.6 v2.36.5 v2.35.7 v2.34.7 v2.33.7 v2.32.6, v2.31.7 and v2.30.8. If upgrading is impractical, two short-term workarounds are available. Avoid cloning repositories from untrusted sources with `--recurse-submodules`. Instead, consider cloning repositories without recursively cloning their submodules, and instead run `git submodule update` at each layer. Before doing so, inspect each new `.gitmodules` file to ensure that it does not contain suspicious module URLs.

CVSS 5.5 · Medium · EPSS 0.7% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • git

    Versions
    • >= 2.39.0, < 2.39.2: Affected
    • >= 2.38.0, < 2.38.4: Affected
    • >= 2.37.0, < 2.37.6: Affected
    • >= 2.36.0, < 2.36.5: Affected
    • >= 2.35.0, < 2.35.7: Affected
    • >= 2.34.0, < 2.34.7: Affected
    • >= 2.33.0, < 2.33.7: Affected
    • >= 2.32.0, < 2.32.6: Affected
    • >= 2.31.0, < 2.31.7: Affected
    • < 2.30.8: Affected

    No fix published

  • git Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:2.39.2-1

    Update to 1:2.39.2-1

  • git Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:2.39.2-1

    Update to 1:2.39.2-1

  • git Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:2.39.2-1

    Update to 1:2.39.2-1

  • git Ubuntu:Pro:16.04:LTS

    Versions
    • 1:2.5.0-1
    • 1:2.6.2-1
    • 1:2.6.3-1
    • 1:2.6.4-1
    • 1:2.7.0~rc3-1
    • 1:2.7.0-1
    • 1:2.7.3-0ubuntu1
    • 1:2.7.4-0ubuntu1
    • 1:2.7.4-0ubuntu1.1
    • 1:2.7.4-0ubuntu1.2
    • 1:2.7.4-0ubuntu1.3
    • 1:2.7.4-0ubuntu1.4
    • 1:2.7.4-0ubuntu1.5
    • 1:2.7.4-0ubuntu1.6
    • 1:2.7.4-0ubuntu1.7
    • 1:2.7.4-0ubuntu1.8
    • 1:2.7.4-0ubuntu1.9
    • 1:2.7.4-0ubuntu1.10
    • 1:2.7.4-0ubuntu1.10+esm1
    • 1:2.7.4-0ubuntu1.10+esm3
    • 1:2.7.4-0ubuntu1.10+esm4
    Affected ranges
    • ECOSYSTEM: < 1:2.7.4-0ubuntu1.10+esm5

    Update to 1:2.7.4-0ubuntu1.10+esm5

  • git Ubuntu:18.04:LTS

    Versions
    • 1:2.14.1-1ubuntu4
    • 1:2.15.1-1ubuntu2
    • 1:2.17.0-1ubuntu1
    • 1:2.17.1-1ubuntu0.1
    • 1:2.17.1-1ubuntu0.3
    • 1:2.17.1-1ubuntu0.4
    • 1:2.17.1-1ubuntu0.5
    • 1:2.17.1-1ubuntu0.6
    • 1:2.17.1-1ubuntu0.7
    • 1:2.17.1-1ubuntu0.8
    • 1:2.17.1-1ubuntu0.9
    • 1:2.17.1-1ubuntu0.10
    • 1:2.17.1-1ubuntu0.11
    • 1:2.17.1-1ubuntu0.12
    • 1:2.17.1-1ubuntu0.13
    • 1:2.17.1-1ubuntu0.14
    • 1:2.17.1-1ubuntu0.15
    Affected ranges
    • ECOSYSTEM: < 1:2.17.1-1ubuntu0.16

    Update to 1:2.17.1-1ubuntu0.16

  • git Ubuntu:20.04:LTS

    Versions
    • 1:2.20.1-2ubuntu1
    • 1:2.24.0-1ubuntu1
    • 1:2.24.0-1ubuntu2
    • 1:2.25.0-1ubuntu1
    • 1:2.25.1-1ubuntu1
    • 1:2.25.1-1ubuntu2
    • 1:2.25.1-1ubuntu3
    • 1:2.25.1-1ubuntu3.1
    • 1:2.25.1-1ubuntu3.2
    • 1:2.25.1-1ubuntu3.3
    • 1:2.25.1-1ubuntu3.4
    • 1:2.25.1-1ubuntu3.5
    • 1:2.25.1-1ubuntu3.6
    • 1:2.25.1-1ubuntu3.7
    • 1:2.25.1-1ubuntu3.8
    Affected ranges
    • ECOSYSTEM: < 1:2.25.1-1ubuntu3.10

    Update to 1:2.25.1-1ubuntu3.10

  • git Ubuntu:22.04:LTS

    Versions
    • 1:2.32.0-1ubuntu1
    • 1:2.33.1-1ubuntu1
    • 1:2.34.1-1ubuntu1
    • 1:2.34.1-1ubuntu1.1
    • 1:2.34.1-1ubuntu1.2
    • 1:2.34.1-1ubuntu1.4
    • 1:2.34.1-1ubuntu1.5
    • 1:2.34.1-1ubuntu1.6
    Affected ranges
    • ECOSYSTEM: < 1:2.34.1-1ubuntu1.8

    Update to 1:2.34.1-1ubuntu1.8

Original sources

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