Use-after-free error in Irssi - CVE-2018-7053
Published: February 15, 2018 / Updated: July 1, 2019
Vulnerability identifier: #VU10608
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-7053
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to a use-after-free when SASL messages are received in unexpected order. A remote attacker can use a non-conforming ircd, trigger memory corruption and execute arbitrary code on the system.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to a use-after-free when SASL messages are received in unexpected order. A remote attacker can use a non-conforming ircd, trigger memory corruption and execute arbitrary code on the system.
Successful exploitation of the vulnerability may result in system compromise.
Affected software
Irssi
Arch Linux
Debian Linux
Slackware Linux
Fedora
irssi (Alpine package)
irssi
Arch Linux
Debian Linux
Slackware Linux
Fedora
irssi (Alpine package)
irssi
How to mitigate CVE-2018-7053
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
irssi - addressed in versions 1.0.7-1.fc26, 1.0.7-1.fc27