Vulnerability in Digium Asterisk
CVE-2015-1558
Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of service (file descriptor consumption) via an SDP offer containing only incompatible codecs.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 3.5 (Low). Vector: AV:N/AC:M/Au:S/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 12.0.0, 12.1.0, 12.1.1
Weakness classification (CWE)
References
- downloads.asterisk.org/pub/security/AST-2015-001.html (Vendor Advisory)
- www.securitytracker.com/id/1031661 (vdb-entry)
- seclists.org/fulldisclosure/2015/Jan/116 (mailing-list)
- www.securityfocus.com/archive/1/534573/100/0/threaded (mailing-list)