Bug 2039000 (CVE-2021-4181, wnpa-sec-2021-21)

Summary: CVE-2021-4181 wireshark: Sysdig Event dissector crash
Product: [Other] Security Response Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: vulnerabilityAssignee: Nobody <nobody>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: alekcejk, denis, huzaifas, lemenkov, mruprich, msehnout, peter, rvokal, sergey.avseyev
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: wireshark 3.6.1, wireshark 3.4.11 Doc Type: If docs needed, set a value
Doc Text:
A denial of service via packet injection flaw was found in wireshark. An attacker with local network access could pass specially crafted capture files causing an application to halt or crash, leading to a denial of service.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2039001, 2039173    
Bug Blocks: 2039018    

Description Guilherme de Almeida Suckevicz 2022-01-10 17:47:41 UTC
Crash in the Sysdig Event dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file.

Reference:
https://www.wireshark.org/security/wnpa-sec-2021-21.html

Comment 1 Guilherme de Almeida Suckevicz 2022-01-10 17:49:49 UTC
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 2039001]