CVE-2017-14603 Information

Description

In Asterisk 11.x before 11.25.3 13.x before 13.17.2 and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before 13.13-cert6 insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the \nat\ and \symmetric_rtp\ options allow redirecting where Asterisk sends the next RTCP report.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://downloads.asterisk.org/pub/security/AST-2017-008.html http://www.debian.org/security/2017/dsa-3990 https://issues.asterisk.org/jira/browse/ASTERISK-27274

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5