Bug 1854882 (CVE-2020-15466) - CVE-2020-15466 wireshark: GVCP dissector infinite loop
Summary: CVE-2020-15466 wireshark: GVCP dissector infinite loop
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2020-15466
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:
: 1854879 (view as bug list)
Depends On: 1854884 1855166
Blocks: 1854885
TreeView+ depends on / blocked
 
Reported: 2020-07-08 12:08 UTC by msiddiqu
Modified: 2021-06-29 20:31 UTC (History)
8 users (show)

Fixed In Version: Wireshark 3.2.5
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Clone Of:
Environment:
Last Closed: 2021-06-29 20:31:39 UTC
Embargoed:

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Description msiddiqu 2020-07-08 12:08:16 UTC 
In Wireshark 3.2.0 to 3.2.4, the GVCP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-gvcp.c by ensuring that an offset increases in all situations.

References:

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16029

Upstream patch:

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=11f40896b696e4e8c7f8b2ad96028404a83a51a4
Comment 1 msiddiqu 2020-07-08 12:09:03 UTC 
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1854884]
Comment 2 msiddiqu 2020-07-08 12:10:19 UTC 
External References:

https://www.wireshark.org/security/wnpa-sec-2020-09.html
Comment 4 Tomas Hoger 2020-07-14 09:15:30 UTC 
*** Bug 1854879 has been marked as a duplicate of this bug. ***
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