Debian DLA-2529-1 : mutt security update

medium Nessus Plugin ID 145237

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Synopsis

The remote Debian host is missing a security update.

Description

rfc822.c in Mutt through 2.0.4 allows remote attackers to cause a denial of service (mailbox unavailability) by sending email messages with sequences of semicolon characters in RFC822 address fields (aka terminators of empty groups).

A small email message from the attacker can cause large memory consumption, and the victim may then be unable to see email messages from other persons.

For Debian 9 stretch, this problem has been fixed in version 1.7.2-1+deb9u5.

We recommend that you upgrade your mutt packages.

For the detailed security status of mutt please refer to its security tracker page at: https://security-tracker.debian.org/tracker/mutt

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

Solution

Upgrade the affected mutt package.

Plugin Details

Severity: Medium

ID: 145237

File Name: debian_DLA-2529.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 1/21/2021

Updated: 2/1/2021

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2021-3181

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:mutt, cpe:/o:debian:debian_linux:9.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/20/2021

Vulnerability Publication Date: 1/19/2021

Reference Information

CVE: CVE-2021-3181

Detections

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