Home/CVE/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 r
CVE

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 r

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.

LOW · CVSS 3.5 EPSS 0.15669
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 5% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
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Affected Products & Versions

1
digium asteriskall versions
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Scoring & Timeline

3.5
LOW · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:S/C:N/I:N/A:P
Published to NVD09 Feb 2015 · 11:59 AM
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://downloads.asterisk.org/pub/security/AST-2015-001.htmlVendor Advisory
http://seclists.org/fulldisclosure/2015/Jan/116
http://www.securityfocus.com/archive/1/534573/100/0/threaded
http://www.securitytracker.com/id/1031661
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