Session hijacking in Certified Asterisk and Asterisk Open Source - CVE-2017-14099

 

Session hijacking in Certified Asterisk and Asterisk Open Source - CVE-2017-14099

Published: September 1, 2017


Vulnerability identifier: #VU8063
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-14099
CWE-ID: CWE-384
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Digium (Linux Support Services)
Affected software:
Certified Asterisk
Asterisk Open Source

Detailed vulnerability description

The vulnerability allows a remote attacker to hijack the target user's media session.

The weakness exists due to a flaw in the strict RTP support feature. A remote attacker can send specially crafted RTP traffic to provide and receive media from the session.

How to mitigate CVE-2017-14099

The vulnerability is addressed in the following versions:
Asterisk Open Source - 11.25.2, 13.17.1, 14.6.1.
Certified Asterisk - 11.6-cert17, 13.13-cert5.

Sources