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Category:   Application (VoIP)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk Strict RTP Support Bug Lets Remote Users Hijack the Target Media Session
SecurityTracker Alert ID:  1039251
SecurityTracker URL:
CVE Reference:   CVE-2017-14099   (Links to External Site)
Date:  Sep 1 2017
Impact:   User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 11.4.0, 13.x, 14.x
Description:   A vulnerability was reported in Asterisk. A remote user can hijack the target media session.

A remote user can send specially crafted RTP traffic to exploit a flaw in the strict RTP support feature and provide and receive media from the session.

Klaus-Peter Junghanns reported this vulnerability.

Impact:   A remote user can hijack the target media session.
Solution:   The vendor has issued a fix (11.25.2, 13.17.1, 14.6.1).

The vendor advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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