cve-2023-22742
Vulnerability from cvelistv5
Published
2023-01-20 22:49
Modified
2024-08-02 10:20
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Summary
libgit2 is a cross-platform, linkable library implementation of Git. When using an SSH remote with the optional libssh2 backend, libgit2 does not perform certificate checking by default. Prior versions of libgit2 require the caller to set the `certificate_check` field of libgit2's `git_remote_callbacks` structure - if a certificate check callback is not set, libgit2 does not perform any certificate checking. This means that by default - without configuring a certificate check callback, clients will not perform validation on the server SSH keys and may be subject to a man-in-the-middle attack. Users are encouraged to upgrade to v1.4.5 or v1.5.1. Users unable to upgrade should ensure that all relevant certificates are manually checked.
References
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2023/11/06/5
security-advisories@github.comhttps://github.com/libgit2/libgit2/commit/42e5db98b963ae503229c63e44e06e439df50e56Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/libgit2/libgit2/commit/cd6f679af401eda1f172402006ef8265f8bd58eaPatch, Third Party Advisory
security-advisories@github.comhttps://github.com/libgit2/libgit2/releases/tag/v1.4.5Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/libgit2/libgit2/releases/tag/v1.5.1Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/libgit2/libgit2/security/advisories/GHSA-8643-3wh5-rmjqThird Party Advisory
security-advisories@github.comhttps://www.libssh2.orgThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/11/06/5
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/commit/42e5db98b963ae503229c63e44e06e439df50e56Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/commit/cd6f679af401eda1f172402006ef8265f8bd58eaPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/releases/tag/v1.4.5Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/releases/tag/v1.5.1Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgit2/libgit2/security/advisories/GHSA-8643-3wh5-rmjqThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.libssh2.orgThird Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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}


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