UBUNTU-CVE-2020-12278

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    UBUNTU-CVE-2020-12278

    Published: 27 Apr 2020Last Modified: 13 Aug 2026
    Upstream:
    CVE-2020-12278
    Aliases:
    USN-6678-1

    Summary:

    Details: An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. path.c mishandles equivalent filenames that exist because of NTFS Alternate Data Streams. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1352.

    References: https://ubuntu.com/security/CVE-2020-12278, https://github.com/git/git/security/advisories/GHSA-5wph-8frv-58vj, https://github.com/libgit2/libgit2/releases/tag/v0.28.4, https://github.com/libgit2/libgit2/releases/tag/v0.99.0, https://ubuntu.com/security/notices/USN-6678-1, https://www.cve.org/CVERecord?id=CVE-2020-12278

    Affected packages

    Package

    Name: libgit2

    Purl: pkg:deb/ubuntu/libgit2?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.19.0-2
    0.19.0-2ubuntu0.4
    0.19.0-2ubuntu0.4+esm1
    0.19.0-2ubuntu0.4+esm2

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2020-12278 | CVE-DB