Vulnerability Description
The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x before 12.3.1, when sub_min_expiry is set to zero, allows remote attackers to cause a denial of service (assertion failure and crash) via an unsubscribe request when not subscribed to the device.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Digium | Asterisk | 12.0.0 |
Related Weaknesses (CWE)
References
- http://downloads.asterisk.org/pub/security/AST-2014-005.htmlPatchVendor Advisory
- http://packetstormsecurity.com/files/127087/Asterisk-Project-Security-Advisory-A
- http://www.securityfocus.com/archive/1/532414/100/0/threaded
- http://downloads.asterisk.org/pub/security/AST-2014-005.htmlPatchVendor Advisory
- http://packetstormsecurity.com/files/127087/Asterisk-Project-Security-Advisory-A
- http://www.securityfocus.com/archive/1/532414/100/0/threaded
FAQ
What is CVE-2014-4045?
CVE-2014-4045 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x before 12.3.1, when sub_min_expiry is set to zero, allows remote attackers to cause a denial of service (assert...
How severe is CVE-2014-4045?
CVE-2014-4045 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-4045?
Check the references section above for vendor advisories and patch information. Affected products include: Digium Asterisk.