CVE-2009-3766

Description

mutt_ssl.c in mutt 1.5.16 and other versions before 1.5.19, when OpenSSL is used, does not verify the domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.43%
Vendor Advisory mutt.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2009/10/26/1 third party advisory mailing list
http://dev.mutt.org/trac/ticket/3087 patch vendor advisory
http://marc.info/?l=oss-security&m=125198917018936&w=2 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2009-3766?
CVE-2009-3766 has been scored as a medium severity vulnerability.
How to fix CVE-2009-3766?
To fix CVE-2009-3766, 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-2009-3766 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2009-3766 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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