Improper input validation in WeeChat - CVE-2017-14727
Published: September 25, 2017 / Updated: September 26, 2017
Vulnerability identifier: #VU8599
CSH Severity: Low
CVSS v4: 8.7 [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]
CVE-ID: CVE-2017-14727
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
WeeChat
Arch Linux
weechat (Alpine package)
Arch Linux
weechat (Alpine package)
How to mitigate CVE-2017-14727
Update to version 1.9.1.
weechat (Alpine package) - update to 1.6-r2