Public Date:
891646: CVE-2012-5976 asterisk: Crashes due to large stack allocations when using TCP (AST-2012-014)

The MITRE CVE dictionary describes this issue as:

Multiple stack consumption vulnerabilities in Asterisk Open Source 1.8.x before, 10.x before 10.11.1, and 11.x before 11.1.2&#59; Certified Asterisk 1.8.11 before 1.8.11-cert10&#59; and Asterisk Digiumphones 10.x-digiumphones before 10.11.1-digiumphones allow remote attackers to cause a denial of service (daemon crash) via TCP data using the (1) SIP, (2) HTTP, or (3) XMPP protocol.

Find out more about CVE-2012-5976 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).