CVE-2015-1558

low
Published 2015-02-09 · Modified 2026-05-06
CVSS v3
CVSS v2
3.5
VIR risk
3.5

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://downloads.asterisk.org/pub/security/AST-2015-001.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-1558

OS impact

OSVersionStatusFixed in
debian debianbullseyefixed1:13.1.0~dfsg-1.1
debian debiansidfixed1:13.1.0~dfsg-1.1

Application impact

VendorProductVersionsFixed
digiumasterisk12.0.0
digiumasterisk12.1.0
digiumasterisk12.1.1
digiumasterisk12.2.0
digiumasterisk12.3.0
digiumasterisk12.3.1
digiumasterisk12.3.2
digiumasterisk12.4.0
digiumasterisk12.5.0
digiumasterisk12.6.0
digiumasterisk12.7.0
digiumasterisk12.8.0
digiumasterisk12.8.1
digiumasterisk13.0.0
digiumasterisk13.1.0
digiumasterisk13.2.0

References

CWEs

CWE-399

Verify integrity in audit chain (admin only). AS-IS.