Bug 2025665 (CVE-2021-39922, wnpa-sec-2021-12) - CVE-2021-39922 wireshark: C12.22 dissector crash
Summary: CVE-2021-39922 wireshark: C12.22 dissector crash
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-39922, wnpa-sec-2021-12
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: 2025666 2029902
Blocks: 2025696
TreeView+ depends on / blocked
 
Reported: 2021-11-22 17:46 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-04-18 00:58 UTC (History)
8 users (show)

Fixed In Version: wireshark 3.4.10
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in Wireshark. A process failure on crafted or malformed ANSI C12.22 input can cause a denial of service via packet injection or a crafted capture file.
Clone Of:
Environment:
Last Closed: 2022-04-18 00:58:41 UTC
Embargoed:


Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2021-11-22 17:46:43 UTC
Buffer overflow in the C12.22 dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file.

Reference:
https://www.wireshark.org/security/wnpa-sec-2021-12.html

Comment 1 Guilherme de Almeida Suckevicz 2021-11-22 17:47:02 UTC
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 2025666]

Comment 8 Product Security DevOps Team 2022-04-18 00:58:39 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-39922


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