CVE-2013-2686
EPSS 2.4%
Description
main/http.c in the HTTP server in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones does not properly restrict Content-Length values, which allows remote attackers to conduct stack-consumption attacks and cause a denial of service (daemon crash) via a crafted HTTP POST request. NOTE: this vulnerability exists because of an incorrect fix for CVE-2012-5976.
How to fix CVE-2013-2686
To remediate CVE-2013-2686, upgrade the affected package to a fixed version below.
- Debian/asterisk—upgrade to 1:1.8.13.1~dfsg-2 or later
Is CVE-2013-2686 being exploited?
Low — EPSS is 2.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:1.8.13.1~dfsg-2