#VU13925 Off by one error in Mutt

 

#VU13925 Off by one error in Mutt

Published: July 20, 2018


Vulnerability identifier: #VU13925
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-193
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mutt
Software vendor:
Mutt.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an off-by-one error in cmd_parse_lsub() function in imap/command.c file. A remote attacker that controls the IMAP server can send a specially crafted  response to the vulnerable mail client, trigger off-by-one overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires that victim connects to a compromised server or the attacker is able to perform MitM (man-in-the-middle) attack.


Remediation

Update to version 1.10.1.

External links