Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2010-1155

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
16/04/2010
Last modified:
11/04/2025

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.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:irssi:irssi:*:rc1:*:*:*:*:*:* 0.8.15 (including)
cpe:2.3:a:irssi:irssi:0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.2:*:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.3:*:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.4:*:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.5:*:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.6:*:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.7:*:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.8:*:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.9:*:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.10:*:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.10:rc5:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.10:rc6:*:*:*:*:*:*
cpe:2.3:a:irssi:irssi:0.8.10:rc7:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools