Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Irssi | Irssi | <= 0.8.15 |
Related Weaknesses (CWE)
References
- http://github.com/ensc/irssi-proxy/commit/85bbc05b21678e80423815d2ef1dfe26208491
- http://irssi.org/news
- http://irssi.org/news/ChangeLog
- http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041054.html
- http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
- http://marc.info/?l=oss-security&m=127098845125270&w=2
- http://marc.info/?l=oss-security&m=127110132019166&w=2
- http://marc.info/?l=oss-security&m=127116251220784&w=2
- http://marc.info/?l=oss-security&m=127119240204394&w=2
- http://secunia.com/advisories/39365Vendor Advisory
- http://secunia.com/advisories/39620
- http://secunia.com/advisories/39797
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware
- http://www.ubuntu.com/usn/USN-929-1
- http://www.vupen.com/english/advisories/2010/0856PatchVendor Advisory
FAQ
What is CVE-2010-1155?
CVE-2010-1155 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 certifica...
How severe is CVE-2010-1155?
CVE-2010-1155 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2010-1155?
Check the references section above for vendor advisories and patch information. Affected products include: Irssi Irssi.