Bug 1952964 (CVE-2021-22207) - CVE-2021-22207 wireshark: MS-WSP dissector excessive memory consumption
Summary: CVE-2021-22207 wireshark: MS-WSP dissector excessive memory consumption
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-22207
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1952965 1955528 1955529
Blocks: 1952966
TreeView+ depends on / blocked
 
Reported: 2021-04-23 16:27 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-04-17 21:19 UTC (History)
9 users (show)

Fixed In Version: wireshark 3.4.5, wireshark 3.2.13
Clone Of:
Environment:
Last Closed: 2021-06-29 21:00:56 UTC
Embargoed:

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2021-04-23 16:27:50 UTC 
It may be possible to make Wireshark consume excessive CPU resources by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Reference:
https://www.wireshark.org/security/wnpa-sec-2021-04
Comment 1 Guilherme de Almeida Suckevicz 2021-04-23 16:28:09 UTC 
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1952965]
Comment 2 Riccardo Schirone 2021-04-30 10:03:02 UTC 
Upstream patch:
https://gitlab.com/wireshark/wireshark/-/commit/b7a0650e061b5418ab4a8f72c6e4b00317aff623
Comment 3 Riccardo Schirone 2021-04-30 10:03:07 UTC 
External References:

https://www.wireshark.org/security/wnpa-sec-2021-04
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