The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6678-1 advisory.

    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)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 : libgit2 vulnerabilities (USN-6678-1)

critical Nessus Plugin ID 191559

Version 1.2

Version 1.1

Version 1.0

Version 1.2 Aug 28, 2024, 7:43 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin metadata Plugin Feed: 202408281943
Version 1.1 Mar 6, 2024, 7:09 PM CVE (set "CVE" coverage to "CVE-2020-12278,CVE-2020-12279,CVE-2023-22742,CVE-2024-24575,CVE-2024-24577") CVSS metrics ("CVSSv2 score" set to 7.5. "CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P". "CVSSv3 score" set to 9.8. "CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H") CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:U/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:O/RC:C") CVSSv2 score source (set to "CVE-2020-12279") CVSSv3 score source (set to "CVE-2024-24577") Plugin metadata Plugin Feed: 202403061909
Version 1.0 Mar 6, 2024, 1:05 AM New Plugin Feed: 202403060105