USN-6678-1

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USN-6678-1

Summary: libgit2 vulnerabilities

Details: It was discovered that libgit2 mishandled equivalent filenames on NTFS partitions. If a user or automated system were tricked into cloning a specially crafted repository, an attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2020-12278, CVE-2020-12279) It was discovered that libgit2 did not perform certificate checking by default. An attacker could possibly use this issue to perform a machine-in-the-middle attack. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2023-22742) It was discovered that libgit2 could be made to run into an infinite loop. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 23.10. (CVE-2024-24575) It was discovered that libgit2 did not properly manage memory. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2024-24577)

References: https://ubuntu.com/security/notices/USN-6678-1, https://ubuntu.com/security/CVE-2020-12278, https://ubuntu.com/security/CVE-2020-12279, https://ubuntu.com/security/CVE-2023-22742, https://ubuntu.com/security/CVE-2024-24575, https://ubuntu.com/security/CVE-2024-24577