Input validation error in Asterisk Open Source - CVE-2014-2287

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Main Vulnerability Database Vulnerabilities #VU32569

Input validation error in Asterisk Open Source - CVE-2014-2287

Published: April 19, 2014 / Updated: July 28, 2020


Vulnerability identifier: #VU32569
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2014-2287
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Digium (Linux Support Services)
Affected software:
Asterisk Open Source

Detailed vulnerability description

The vulnerability allows a remote #AU# to perform service disruption.

channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.26.1, 11.8.x before 11.8.1, and 12.1.x before 12.1.1, and Certified Asterisk 1.8.15 before 1.8.15-cert5 and 11.6 before 11.6-cert2, when chan_sip has a certain configuration, allows remote authenticated users to cause a denial of service (channel and file descriptor consumption) via an INVITE request with a (1) Session-Expires or (2) Min-SE header with a malformed or invalid value.


How to mitigate CVE-2014-2287

Install update from vendor's website.

Sources