PT-2014-5693 · Digium · Asterisk

Published 2014-06-17 · Updated 2018-10-09 · CVE-2014-4045

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Asterisk Open Source versions 12.x through 12.3.0

Description The issue allows remote attackers to cause a denial of service, resulting in an assertion failure and crash, via an unsubscribe request when not subscribed to the device. This occurs when the sub min expiry is set to zero in the Publish/Subscribe Framework in the PJSIP channel driver.

Recommendations For Asterisk Open Source versions 12.x through 12.3.0, update to version 12.3.1 or later to resolve the issue.

Fix

DoS

Weakness Enumeration

CWE-189

Related Identifiers

CVE-2014-4045

Affected Products

Asterisk

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2014-4045 · Security Note
• http://downloads.asterisk.org/pub/security/AST-2014-005.html · Vendor Advisory
• http://securityfocus.com/archive/1/532414/100/0/threaded · Note
• http://packetstormsecurity.com/files/127087/Asterisk-Project-Security-Advisory-AST-2014-005.html · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4045 · Note