An update for libgit2 is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP3,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1 and openEuler-22.03-LTS-SP2 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2023-1957 Final 1.0 1.0 2023-12-22 Initial 2023-12-22 2023-12-22 openEuler SA Tool V1.0 2023-12-22 libgit2 security update An update for libgit2 is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP3,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1 and openEuler-22.03-LTS-SP2. libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant linkable library with a solid API, allowing you to write native speed custom Git applications in any language which supports C bindings. Security Fix(es): 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.(CVE-2023-22742) An update for libgit2 is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP3,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1 and openEuler-22.03-LTS-SP2. openEuler Security has rated this update as having a security impact of medium. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. Medium libgit2 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1957 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-22742 https://nvd.nist.gov/vuln/detail/CVE-2023-22742 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP3 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP2 libgit2-0.27.8-7.oe1.aarch64.rpm libgit2-debuginfo-0.27.8-7.oe1.aarch64.rpm libgit2-debugsource-0.27.8-7.oe1.aarch64.rpm libgit2-devel-0.27.8-7.oe1.aarch64.rpm libgit2-debugsource-0.27.8-7.oe1.aarch64.rpm libgit2-devel-0.27.8-7.oe1.aarch64.rpm libgit2-0.27.8-7.oe1.aarch64.rpm libgit2-debuginfo-0.27.8-7.oe1.aarch64.rpm libgit2-debuginfo-0.27.8-7.oe2003sp4.aarch64.rpm libgit2-debugsource-0.27.8-7.oe2003sp4.aarch64.rpm libgit2-devel-0.27.8-7.oe2003sp4.aarch64.rpm libgit2-0.27.8-7.oe2003sp4.aarch64.rpm libgit2-0.27.8-6.oe2203.aarch64.rpm libgit2-debuginfo-0.27.8-6.oe2203.aarch64.rpm libgit2-debugsource-0.27.8-6.oe2203.aarch64.rpm libgit2-devel-0.27.8-6.oe2203.aarch64.rpm libgit2-1.3.2-2.oe2203sp1.aarch64.rpm libgit2-devel-1.3.2-2.oe2203sp1.aarch64.rpm libgit2-debuginfo-1.3.2-2.oe2203sp1.aarch64.rpm libgit2-debugsource-1.3.2-2.oe2203sp1.aarch64.rpm libgit2-devel-1.3.2-2.oe2203sp2.aarch64.rpm libgit2-debugsource-1.3.2-2.oe2203sp2.aarch64.rpm libgit2-debuginfo-1.3.2-2.oe2203sp2.aarch64.rpm libgit2-1.3.2-2.oe2203sp2.aarch64.rpm libgit2-0.27.8-7.oe1.src.rpm libgit2-0.27.8-7.oe1.src.rpm libgit2-0.27.8-7.oe2003sp4.src.rpm libgit2-0.27.8-6.oe2203.src.rpm libgit2-1.3.2-2.oe2203sp1.src.rpm libgit2-1.3.2-2.oe2203sp2.src.rpm libgit2-0.27.8-7.oe1.x86_64.rpm libgit2-debugsource-0.27.8-7.oe1.x86_64.rpm libgit2-debuginfo-0.27.8-7.oe1.x86_64.rpm libgit2-devel-0.27.8-7.oe1.x86_64.rpm libgit2-debugsource-0.27.8-7.oe1.x86_64.rpm libgit2-devel-0.27.8-7.oe1.x86_64.rpm libgit2-debuginfo-0.27.8-7.oe1.x86_64.rpm libgit2-0.27.8-7.oe1.x86_64.rpm libgit2-0.27.8-7.oe2003sp4.x86_64.rpm libgit2-debuginfo-0.27.8-7.oe2003sp4.x86_64.rpm libgit2-devel-0.27.8-7.oe2003sp4.x86_64.rpm libgit2-debugsource-0.27.8-7.oe2003sp4.x86_64.rpm libgit2-debuginfo-0.27.8-6.oe2203.x86_64.rpm libgit2-devel-0.27.8-6.oe2203.x86_64.rpm libgit2-0.27.8-6.oe2203.x86_64.rpm libgit2-debugsource-0.27.8-6.oe2203.x86_64.rpm libgit2-devel-1.3.2-2.oe2203sp1.x86_64.rpm libgit2-1.3.2-2.oe2203sp1.x86_64.rpm libgit2-debugsource-1.3.2-2.oe2203sp1.x86_64.rpm libgit2-debuginfo-1.3.2-2.oe2203sp1.x86_64.rpm libgit2-devel-1.3.2-2.oe2203sp2.x86_64.rpm libgit2-debugsource-1.3.2-2.oe2203sp2.x86_64.rpm libgit2-debuginfo-1.3.2-2.oe2203sp2.x86_64.rpm libgit2-1.3.2-2.oe2203sp2.x86_64.rpm 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. 2023-12-22 CVE-2023-22742 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP3 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP2 Medium 5.9 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N libgit2 security update 2023-12-22 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1957