CVE-2017-17831

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    CVE-2017-17831

    Published: 21 Dec 2017Last Modified: 8 Jul 2026

    Summary:

    Details: GitHub Git LFS before 2.1.1 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, located on a "url =" line in a .lfsconfig file within a repository.

    References: http://www.securityfocus.com/bid/102926, https://confluence.atlassian.com/sourcetreekb/sourcetree-security-advisory-2018-01-24-942834324.html, https://github.com/git-lfs/git-lfs/releases/tag/v2.1.1, https://github.com/git-lfs/git-lfs/pull/2242, http://blog.recurity-labs.com/2017-08-10/scm-vulns

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -3314e2878fcc3224774a96b78183e111fbd8ac5b

    Affected versions

    v2.1.0

    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