CVE-2010-1155Improper Input Validation in Irssi

Severity
6.8MEDIUMNVD
EPSS
0.8%
top 26.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 16
Latest updateMay 2

Description

Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate.

CVSS vector

AV:N/AC:M/C:P/I:P/A:PExploitability: 8.6 | Impact: 6.4

Affected Packages3 packages

debiandebian/irssi< irssi 0.8.15-1 (bookworm)
Debianirssi/irssi< 0.8.15-1+3
NVDirssi/irssi0.8.15+15

Patches

🔴Vulnerability Details

2
GHSA
GHSA-hvgv-8rp6-894g: Irssi before 02022-05-02
OSV
CVE-2010-1155: Irssi before 02010-04-16

📋Vendor Advisories

3
Ubuntu
irssi regression2010-04-20
Ubuntu
irssi vulnerabilities2010-04-15
Debian
CVE-2010-1155: irssi - Irssi before 0.8.15, when SSL is used, does not verify that the server hostname ...2010

💬Community

1
Bugzilla
CVE-2010-1155 CVE-2010-1156 irssi 0.8.15 fixes two security issues2010-04-12
CVE-2010-1155 — Improper Input Validation in Irssi | cvebase