Public Date:
928774: CVE-2013-2686 asterisk: DoS in the HTTP server (AST-2013-002)

The MITRE CVE dictionary describes this issue as:

main/http.c in the HTTP server in Asterisk Open Source 1.8.x before, 10.x before 10.12.2, and 11.x before 11.2.2&#59; Certified Asterisk 1.8.15 before 1.8.15-cert2&#59; 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.

Find out more about CVE-2013-2686 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 5
Base Metrics AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).