Ubuntu 16.04 LTS / 18.04 LTS / 19.10 / 20.04 : Mutt vulnerability and regression (USN-4403-1)

medium Nessus Plugin ID 137825
New! Plugin Severity Now Using CVSS v3

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Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

It was discovered that Mutt incorrectly handled certain requests. An attacker could possibly use this issue to enable MITM attacks.
(CVE-2020-14954) This update also address a regression caused in the last update USN-4401-1. It only affected Ubuntu 12.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 19.10.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected mutt package.

See Also

https://usn.ubuntu.com/4403-1/

Plugin Details

Severity: Medium

ID: 137825

File Name: ubuntu_USN-4403-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 6/25/2020

Updated: 9/17/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-14954

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:mutt, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:19.10, cpe:/o:canonical:ubuntu_linux:20.04

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/24/2020

Vulnerability Publication Date: 6/21/2020

Reference Information

CVE: CVE-2020-14954

USN: 4403-1