Improper input validation in Digium Asterisk
CVE-2014-2288
The PJSIP channel driver in Asterisk Open Source 12.x before 12.1.1, when qualify_frequency "is enabled on an AOR and the remote SIP server challenges for authentication of the resulting OPTIONS request," allows remote attackers to cause a denial of service (crash) via a PJSIP endpoint that does not have an associated outgoing request.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.043 (90.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000
Affected products
- Digium Asterisk — versions 12.0.0, 12.1.0
Weakness classification (CWE)
References
- downloads.asterisk.org/pub/security/AST-2014-003-12.diff (Patch)
- downloads.asterisk.org/pub/security/AST-2014-003.html (Vendor Advisory)
- issues.asterisk.org/jira/browse/ASTERISK-23210
- lists.fedoraproject.org/pipermail/package-announce/2014-March/130426.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2014-March/130400.html (vendor-advisory)