CVE-2015-3008

Description

Asterisk Open Source 1.8 before 1.8.32.3, 11.x before 11.17.1, 12.x before 12.8.2, and 13.x before 13.3.2 and Certified Asterisk 1.8.28 before 1.8.28-cert5, 11.6 before 11.6-cert11, and 13.1 before 13.1-cert2, when registering a SIP TLS device, does not properly handle a null byte in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 39.02% Top 5%
Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory asterisk.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://packetstormsecurity.com/files/131364/Asterisk-Project-Security-Advisory-AST-2015-003.html
http://www.securityfocus.com/bid/74022 vdb entry
http://www.mandriva.com/security/advisories?name=MDVSA-2015:206 vendor advisory
http://advisories.mageia.org/MGASA-2015-0153.html
http://www.securitytracker.com/id/1032052 vdb entry
http://downloads.asterisk.org/pub/security/AST-2015-003.html vendor advisory
http://seclists.org/fulldisclosure/2015/Apr/22 mailing list
http://www.securityfocus.com/archive/1/535222/100/0/threaded mailing list
http://www.debian.org/security/2016/dsa-3700 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162260.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-3008?
CVE-2015-3008 has been scored as a medium severity vulnerability.
How to fix CVE-2015-3008?
To fix CVE-2015-3008, 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-2015-3008 being actively exploited in the wild?
It is possible that CVE-2015-3008 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~39% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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