Privilege escalation in Mutt - CVE-2018-14356

 

Privilege escalation in Mutt - CVE-2018-14356

Published: July 18, 2018 / Updated: July 23, 2018


Vulnerability identifier: #VU13970
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-14356
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper handling of a zero-length unique identifier (UID) by the pop.c code. A local attacker can manipulate the UID value assigned to an email message and cause the service to crash or execute arbitrary code with elevated privileges.


Affected software

Mutt
Arch Linux
Debian Linux
Gentoo Linux
Opensuse
Fedora
mutt (Alpine package)
mutt

How to mitigate CVE-2018-14356

Update to version 1.10.1.

Mutt - update to 1.10.1
mutt (Alpine package) - update to 1.10.1-r0
mutt - addressed in versions 1.9.2-2.fc27, 1.10.1-1.fc28

External References

Related Security Bulletins