CVE-2010-1155

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.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.86% Top 30%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory slackware.com Vendor Advisory fedoraproject.org Vendor Advisory secunia.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://marc.info/?l=oss-security&m=127110132019166&w=2 mailing list
http://marc.info/?l=oss-security&m=127116251220784&w=2 mailing list
http://www.vupen.com/english/advisories/2010/0856 vdb entry patch vendor advisory
http://www.vupen.com/english/advisories/2010/1110 vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/57790 vdb entry
http://www.vupen.com/english/advisories/2010/1107 vdb entry
http://www.vupen.com/english/advisories/2010/0987 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html vendor advisory
http://marc.info/?l=oss-security&m=127119240204394&w=2 mailing list
http://secunia.com/advisories/39620 third party advisory
http://secunia.com/advisories/39365 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-929-1 vendor advisory
http://irssi.org/news
http://marc.info/?l=oss-security&m=127098845125270&w=2 mailing list
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.497301 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041054.html vendor advisory
http://github.com/ensc/irssi-proxy/commit/85bbc05b21678e80423815d2ef1dfe26208491ab
http://irssi.org/news/ChangeLog
http://secunia.com/advisories/39797 third party advisory

Frequently Asked Questions

What is the severity of CVE-2010-1155?
CVE-2010-1155 has been scored as a medium severity vulnerability.
How to fix CVE-2010-1155?
To fix CVE-2010-1155, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-1155 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2010-1155 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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