Asterisk Open Source 1.8 before 1.8.32.3, 11.x before 11.17.1, 12.x...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://packetstormsecurity.com/files/131364/Asterisk-Project-Security-Advisory-AST-2015-003.html
- http://www.securityfocus.com/bid/74022
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:206
- http://advisories.mageia.org/MGASA-2015-0153.html
- http://www.securitytracker.com/id/1032052
- http://downloads.asterisk.org/pub/security/AST-2015-003.html
- http://seclists.org/fulldisclosure/2015/Apr/22
- http://www.securityfocus.com/archive/1/535222/100/0/threaded
- http://www.debian.org/security/2016/dsa-3700
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162260.html
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CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.