CVE-2013-2686

MEDIUM

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.

References

http://downloads.asterisk.org/pub/security/AST-2013-002.html

http://telussecuritylabs.com/threats/show/TSL20130327-01

https://issues.asterisk.org/jira/browse/ASTERISK-20967

Details

Source: MITRE

Published: 2013-04-01

Updated: 2013-04-01

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 5

Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM