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Ubuntu 20.04 LTS / 22.04 LTS / 23.04 : c-ares vulnerabilities (USN-6164-1)

medium Nessus Plugin ID 177324

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6164-1 advisory.

 Hannes Moesl discovered that c-ares incorrectly handled certain ipv6 addresses. An attacker could use this issue to cause c-ares to crash, resulting in a denial of service, or possibly execute arbitrary code.
 (CVE-2023-31130)

 Xiang Li discovered that c-ares incorrectly handled certain UDP packets. A remote attacker could possibly use this issue to cause c-res to crash, resulting in a denial of service. (CVE-2023-32067)

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.

Solution

Update the affected libc-ares-dev and / or libc-ares2 packages.

See Also

https://ubuntu.com/security/notices/USN-6164-1

Plugin Details

Severity: Medium

ID: 177324

File Name: ubuntu_USN-6164-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 6/14/2023

Updated: 8/27/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 4.4

Vector: CVSS2#AV:L/AC:H/Au:M/C:C/I:C/A:C

CVSS Score Source: CVE-2023-31130

CVSS v3

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.6

Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libc-ares2, cpe:/o:canonical:ubuntu_linux:23.04, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libc-ares-dev

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/14/2023

Vulnerability Publication Date: 5/24/2023

Reference Information

CVE: CVE-2023-31130, CVE-2023-32067

USN: 6164-1