Improper input validation in WeeChat - CVE-2017-14727

 

Improper input validation in WeeChat - CVE-2017-14727

Published: September 25, 2017 / Updated: September 26, 2017


Vulnerability identifier: #VU8599
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-14727
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: WeeChat.org
Affected software:
WeeChat

Detailed vulnerability description

The vulnerability allows a remote attacker to crash the affected messaging client.

The vulnerability exists due to an error when processing Date/time conversion specifiers in logger.c file (logger plugin) during log file creation. A remote attacker can send a specially crafted message and crash the affected client.


How to mitigate CVE-2017-14727

Update to version 1.9.1.

Sources