NULL pointer dereference in Irssi - CVE-2018-7052

 

NULL pointer dereference in Irssi - CVE-2018-7052

Published: February 15, 2018 / Updated: July 1, 2019


Vulnerability identifier: #VU10607
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-2018-7052
CWE-ID: CWE-476
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 a NULL pointer dereference when the number of windows exceed the available space. A remote attacker can cause a denial of service.

Affected software

Irssi
Arch Linux
Debian Linux
Slackware Linux
Fedora
irssi (Alpine package)
irssi

How to mitigate CVE-2018-7052

Update to version 1.0.7, 1.1.1.

irssi (Alpine package) - update to 1.0.6-r0
irssi - addressed in versions 1.0.7-1.fc26, 1.0.7-1.fc27

External References

Related Security Bulletins