The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6500-1 advisory.

    Joshua Rogers discovered that Squid incorrectly handled validating certain SSL certificates. A remote     attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This     issue only affected Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-46724)

    Joshua Rogers discovered that Squid incorrectly handled the Gopher protocol. A remote attacker could     possibly use this issue to cause Squid to crash, resulting in a denial of service. Gopher support has been     disabled in this update. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04.
    (CVE-2023-46728)

    Keran Mu and Jianjun Chen discovered that Squid incorrectly handled the chunked decoder. A remote attacker     could possibly use this issue to perform HTTP request smuggling attacks. (CVE-2023-46846)

    Joshua Rogers discovered that Squid incorrectly handled HTTP Digest Authentication. A remote attacker     could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2023-46847)

    Joshua Rogers discovered that Squid incorrectly handled certain FTP urls. A remote attacker could possibly     use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2023-46848)

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 20.04 LTS / 22.04 LTS / 23.04 / 23.10 : Squid vulnerabilities (USN-6500-1)

medium Nessus Plugin ID 186076

Version 1.4