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.
Published: 2010-04-16
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2010-1186 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.
Ubuntu USN Ubuntu USN USN-929-1 irssi vulnerabilities
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-07T01:14:06.324Z

Reserved: 2010-03-29T00:00:00.000Z

Link: CVE-2010-1155

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2010-04-16T19:30:00.350

Modified: 2026-04-29T01:13:23.040

Link: CVE-2010-1155

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses