Product

Asterisk

Summary

Remote crash vulnerability with SDP protocol violation

Nature of Advisory

Denial Of Service

Susceptibility

Remote Authenticated Sessions

Severity

Low

Exploits Known

No

Reported On

January 24, 2019

Reported By

Sotiris Ganouris

Posted On

November 14,2018

Last Updated On

Advisory Contact

gjoseph AT digium DOT com

CVE Name

CVE-2019-7251

Description

When Asterisk makes an outgoing call, a very specific SDP protocol violation by the remote party can cause Asterisk to crash.

Resolution

Upgrade Asterisk to a fixed version.

Affected Versions

Product

Release Series

Asterisk Open Source

15.x

All releases

Asterisk Open Source

16.x

All releases

Corrected In

Product

Release

Asterisk Open Source

15.7.2

Asterisk Open Source

16.2.1

Patches

SVN URL

Revision

http://downloads.asterisk.org/pub/security/AST-2019-001-15.diff

Asterisk 15

http://downloads.asterisk.org/pub/security/AST-2019-001-16.diff

Asterisk 16

Links

https://issues.asterisk.org/jira/browse/ASTERISK-28260

Asterisk Project Security Advisories are posted at http://www.asterisk.org/security

This document may be superseded by later versions; if so, the latest version will be posted at http://downloads.digium.com/pub/security/AST-2019-001.pdf and http://downloads.digium.com/pub/security/AST-2019-001.html

Revision History

Date

Editor

Revisions Made

January 31, 2019

George Joseph

Initial revision

March 1, 2019

Kevin Harwell

Updated diff hyperlinks