Bug 2039005 (CVE-2021-4182, wnpa-sec-2021-20) - CVE-2021-4182 wireshark: RFC 7468 file parser infinite loop
Summary: CVE-2021-4182 wireshark: RFC 7468 file parser infinite loop
Keywords:
Status: NEW
Alias: CVE-2021-4182, wnpa-sec-2021-20
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2039006 2039189
Blocks: 2039018
TreeView+ depends on / blocked
 
Reported: 2022-01-10 17:54 UTC by Guilherme de Almeida Suckevicz
Modified: 2023-07-07 08:31 UTC (History)
9 users (show)

Fixed In Version: wireshark 3.6.1, wireshark 3.4.11
Doc Type: If docs needed, set a value
Doc Text:
A parser infinite-loop flaw was found in wireshark. An attacker with local network access could pass specially crafted capture files causing an application to halt, crash, or infinite loop.
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Description Guilherme de Almeida Suckevicz 2022-01-10 17:54:05 UTC 
Crash in the RFC 7468 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-2021-20.html
Comment 1 Guilherme de Almeida Suckevicz 2022-01-10 17:54:47 UTC 
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 2039006]
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