Denial of service in Irssi

Published: 2019-01-13 12:57:18
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-5882
CVSSv3 4.6 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CWE ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software Irssi
Vulnerable software versions Irssi 1.1.1
Irssi 1.1.0
Vendor URL Irssi.org

Security Advisory

1) Use-after-free

Description

The vulnerability allows a remote attacker to conduct DoS attack.

The vulnerability exists due to a use-after-free error when hidden lines are expired from the scroll buffer. A remote attacker can trigger memory corruption and cause the service to crash.

Remediation

Update to version 1.1.2.

External links

https://github.com/irssi/irssi/pull/948
https://irssi.org/NEWS/#v1-1-2
https://irssi.org/security/irssi_sa_2019_01.txt

Back to List