PT-2014-7299 · Digium · Asterisk

Mark Michelson · Published 2014-11-26 · Updated 2014-11-26 · CVE-2014-6609

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Asterisk Open Source versions prior to 12.5.1

Description The issue allows remote authenticated users to cause a denial of service (crash) via crafted headers in a SIP SUBSCRIBE request for an event package. This is related to the res pjsip pubsub module.

Recommendations For versions prior to 12.5.1, update to version 12.5.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the res pjsip pubsub module to minimize the risk of exploitation.

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2014-6609

Affected Products

Asterisk

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2014-6609 · Security Note
• http://downloads.asterisk.org/pub/security/AST-2014-009.html · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6609 · Note