Vulnerability Description
main/http.c in the HTTP server in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones does not properly restrict Content-Length values, which allows remote attackers to conduct stack-consumption attacks and cause a denial of service (daemon crash) via a crafted HTTP POST request. NOTE: this vulnerability exists because of an incorrect fix for CVE-2012-5976.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Asterisk | Open Source | 1.8.0 |
| Asterisk | Certified Asterisk | 1.8.15 |
| Asterisk | Digiumphones | 10.0.0 |
Related Weaknesses (CWE)
References
- http://downloads.asterisk.org/pub/security/AST-2013-002.htmlVendor Advisory
- http://telussecuritylabs.com/threats/show/TSL20130327-01
- https://issues.asterisk.org/jira/browse/ASTERISK-20967
- http://downloads.asterisk.org/pub/security/AST-2013-002.htmlVendor Advisory
- http://telussecuritylabs.com/threats/show/TSL20130327-01
- https://issues.asterisk.org/jira/browse/ASTERISK-20967
FAQ
What is CVE-2013-2686?
CVE-2013-2686 is a vulnerability with a CVSS score of 5.0 (MEDIUM). main/http.c in the HTTP server in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; and Asterisk Digiumphones 10.x...
How severe is CVE-2013-2686?
CVE-2013-2686 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-2686?
Check the references section above for vendor advisories and patch information. Affected products include: Asterisk Open Source, Asterisk Certified Asterisk, Asterisk Digiumphones.