NULL pointer dereference in Mutt - CVE-2023-4874

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Main Vulnerability Database Vulnerabilities #VU80636

NULL pointer dereference in Mutt - CVE-2023-4874

Published: September 11, 2023


Vulnerability identifier: #VU80636
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-4874
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error when viewing a specially crafted email. A remote attacker can trick the victim to open a specially crafted email and perform a denial of service (DoS) attack.


Affected software

Mutt
Debian Linux
Amazon Linux AMI
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Anolis OS
Red Hat Enterprise Linux for x86_64
Basesystem Module
openSUSE Leap
Ubuntu
openEuler
mutt (Ubuntu package)
mutt-patched (Ubuntu package)
mutt
mutt-debugsource
mutt-debuginfo
mutt-lang
mutt-doc
mutt (Debian package)
mutt (Red Hat package)
mutt-help

How to mitigate CVE-2023-4874

Install updates from vendor's website.

Mutt - update to 2.2.12
mutt (Ubuntu package) - addressed in versions Ubuntu Pro, 1.13.2-1ubuntu0.6, 2.1.4-1ubuntu1.2, 2.2.9-1ubuntu0.23.04.1, 2.2.9-1ubuntu0.23.10.1
mutt-patched (Ubuntu package) - update to Ubuntu Pro
mutt - addressed in versions 1.10.1-55.30.1, 1.10.1-150000.3.26.1
mutt-debugsource - addressed in versions 1.10.1-55.30.1, 1.10.1-150000.3.26.1
mutt-debuginfo - addressed in versions 1.10.1-55.30.1, 1.10.1-150000.3.26.1
mutt-lang - update to 1.10.1-150000.3.26.1
mutt-doc - update to 1.10.1-150000.3.26.1
mutt (Debian package) - addressed in versions 2.0.5-4.1+deb11u3, 2.2.9-1+deb12u1
mutt (Red Hat package) - addressed in versions 2.0.7-3.el8, 2.2.6-2.el9
mutt - update to 2.2.6-2.0.1
mutt-doc - update to 2.2.6-2.0.1
mutt - update to 2.2.9-1
mutt-debugsource - update to 2.2.12-1
mutt-debuginfo - update to 2.2.12-1
mutt-help - update to 2.2.12-1
mutt - update to 2.2.12-1

External References

Related Security Bulletins