Buffer overflow in WeeChat - CVE-2017-8073

 

Buffer overflow in WeeChat - CVE-2017-8073

Published: March 15, 2018


Vulnerability identifier: #VU11097
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-8073
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to buffer overflow. A remote attacker can send a specially crafted filename via DCC and cause the service to crash.

Affected software

WeeChat
Arch Linux
Debian Linux
Fedora
weechat (Alpine package)
weechat

How to mitigate CVE-2017-8073

Update to version 1.7.1 or 1.7-3.

weechat (Alpine package) - update to 1.2-r1
weechat - addressed in versions 1.7.1-1.fc24, 1.7.1-1.fc25, 1.7.1-1.fc26, 2.7.1-1.el7, 2.7.1-1.fc30, 2.7.1-1.fc31, 2.7.1-1.fc32

External References

Related Security Bulletins