Vulnerability in Digium Asterisk
CVE-2011-2216
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed Contact header.
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: 0.046 (91.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000
Affected products
- Digium Asterisk — versions 1.8.0, 1.8.1, 1.8.1.1
References
- www.securityfocus.com/archive/1/518236/100/0/threaded (mailing-list)
- secunia.com/advisories/44828 (third-party-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-July/062658.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-June/062013.html (vendor-advisory)
- securitytracker.com/id (vdb-entry)
- downloads.digium.com/pub/security/AST-2011-007.html (Vendor Advisory)
- osvdb.org/72752 (vdb-entry)
- www.securityfocus.com/bid/48096 (vdb-entry)
- exchange.xforce.ibmcloud.com/vulnerabilities/67812 (vdb-entry)