Bug 1493495 (CVE-2017-14603) - CVE-2017-14603 asterisk: RTP/RTCP information leak
Summary: CVE-2017-14603 asterisk: RTP/RTCP information leak
Alias: CVE-2017-14603
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1493496
TreeView+ depends on / blocked
Reported: 2017-09-20 11:01 UTC by Andrej Nemec
Modified: 2022-01-26 20:06 UTC (History)
3 users (show)

Fixed In Version: asterisk 11.25.3, asterisk 13.17.2, asterisk 14.6.2
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Clone Of:
Last Closed: 2019-06-08 03:25:49 UTC

Attachments (Terms of Use)

Description Andrej Nemec 2017-09-20 11:01:08 UTC
This is a follow up advisory to AST-2017-005.

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.

The RTP stream qualification to learn the source address of media always 
accepted the first RTP packet as the new source and allowed what AST-2017-005 
was mitigating.  The intent was to qualify a series of packets before accepting the 
new source address.

External References:


Upstream issues:


Comment 1 Andrej Nemec 2017-09-20 11:01:29 UTC
Created asterisk tracking bugs for this issue:

Affects: epel-6 [bug 1493496]
Affects: fedora-all [bug 1493497]

Comment 2 Product Security DevOps Team 2019-06-08 03:25:49 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.

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