Use-after-free in Irssi - CVE-2019-13045
Published: July 1, 2019 / Updated: July 1, 2019
Vulnerability identifier: #VU18945
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-13045
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Irssi
Irssi
Software vendor:
Irssi.org
Irssi.org
Description
The vulnerability allows a remote attacker to perform denial of service attack.
The vulnerability exists due to a use-after-free error when performing server reconnect with SASL authentication. A remote attacker can trigger the application to reconnect to the server (e.g. disrupt connection) that will cause application crash.
Remediation
Install updates from vendor's website.