Bug 1775149 (CVE-2019-16319) - CVE-2019-16319 wireshark: gryphon dissector infinite loop (wnpa-sec-2019-21)
Summary: CVE-2019-16319 wireshark: gryphon dissector infinite loop (wnpa-sec-2019-21)
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2019-16319
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1775366 1775867 1775868
Blocks: 1775362
TreeView+ depends on / blocked
 
Reported: 2019-11-21 13:35 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-06-29 20:21 UTC (History)
9 users (show)

Fixed In Version: wireshark 3.0.4, wireshark 2.6.11
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Environment:
Last Closed: 2021-06-29 20:21:18 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2019-11-21 13:35:50 UTC 
In Wireshark 3.0.0 to 3.0.3 and 2.6.0 to 2.6.10, the Gryphon dissector could go into an infinite loop. This was addressed in plugins/epan/gryphon/packet-gryphon.c by checking for a message length of zero.

References:
https://www.wireshark.org/security/wnpa-sec-2019-21.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16020

Upstream commit:
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=02ddd49885c6a09e936a76aceb726ed06539704a
Comment 1 Guilherme de Almeida Suckevicz 2019-11-21 19:40:09 UTC 
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1775366]
Comment 2 Huzaifa S. Sidhpurwala 2019-11-23 03:16:40 UTC 
External References:

https://www.wireshark.org/security/wnpa-sec-2019-21.html
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