Buffer overflow in Digium Asterisk
CVE-2012-5976
Multiple stack consumption vulnerabilities in Asterisk Open Source 1.8.x before 1.8.19.1, 10.x before 10.11.1, and 11.x before 11.1.2; Certified Asterisk 1.8.11 before 1.8.11-cert10; 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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.030 (87.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000
Affected products
- Digium Asterisk — versions 1.8.0, 1.8.1, 1.8.1.1
- Digium Certified Asterisk — versions 1.8.11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- downloads.asterisk.org/pub/security/AST-2012-014 (Vendor Advisory)
- www.debian.org/security/2013/dsa-2605 (vendor-advisory)
Frequently asked questions
- What is CVE-2012-5976?
- CVE-2012-5976 is a vulnerability in Digium Asterisk, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2013-01-04.
- Is CVE-2012-5976 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.