Bug 1839874 (CVE-2020-13164) - CVE-2020-13164 wireshark: NFS dissector crash (wnpa-sec-2020-08)
Summary: CVE-2020-13164 wireshark: NFS dissector crash (wnpa-sec-2020-08)
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2020-13164
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: 1839875 1839938 1839939
Blocks: 1839876
TreeView+ depends on / blocked
 
Reported: 2020-05-25 19:44 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-06-29 20:31 UTC (History)
8 users (show)

Fixed In Version: wireshark 3.2.4, wireshark 3.0.11, wireshark 2.6.17
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Clone Of:
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Last Closed: 2021-06-29 20:31:02 UTC


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Description Guilherme de Almeida Suckevicz 2020-05-25 19:44:50 UTC
In Wireshark 3.2.0 to 3.2.3, 3.0.0 to 3.0.10, and 2.6.0 to 2.6.16, the NFS dissector could crash. This was addressed in epan/dissectors/packet-nfs.c by preventing excessive recursion, such as for a cycle in the directory graph on a filesystem.

References:
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16476
https://www.wireshark.org/security/wnpa-sec-2020-08.html

Upstream commit:
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=e6e98eab8e5e0bbc982cfdc808f2469d7cab6c5a

Comment 1 Guilherme de Almeida Suckevicz 2020-05-25 19:45:09 UTC
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1839875]


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