Buffer over-read in Irssi - CVE-2018-5205

Vulnerability identifier: #VU11471

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-5205

CWE-ID: CWE-126

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to data access beyond the end of the string when using incomplete escape codes. A remote attacker can trigger buffer over-read and gain access to potentially sensitive information.

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

Update to version 1.0.6.

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

• https://irssi.org/security/irssi_sa_2018_01.txt

• Ubuntu update for Irssi
• Arch Linux update for irssi
• Debian update for irssi
• Slackware Linux update for irssi
• Buffer over-read in irssi (Alpine package)
• Fedora 27 update for irssi
• Fedora 26 update for irssi