Bug 2040392 (CVE-2021-41043) - CVE-2021-41043 tcpslice: use-after-free in extract_slice()
Summary: CVE-2021-41043 tcpslice: use-after-free in extract_slice()
Keywords:
Status: NEW
Alias: CVE-2021-41043
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: 2040393 2040395 2041906
Blocks: 2040396
TreeView+ depends on / blocked
 
Reported: 2022-01-13 16:03 UTC by Michael Kaplan
Modified: 2022-01-20 13:50 UTC (History)
5 users (show)

Fixed In Version: tcpslice 1.5
Doc Type: If docs needed, set a value
Doc Text:
A heap use-after-free flaw was found in tcpslices' extract_slice(). This flaw allows an attacker with local network access to pass a specially crafted 'pcap' file to tcpslice, causing segmentation fault. This vulnerability halts or crashes the application, leading to a denial of service.
Clone Of:
Environment:
Last Closed:


Attachments (Terms of Use)

Description Michael Kaplan 2022-01-13 16:03:46 UTC
Use after free in tcpslice triggers AddressSanitizer, no other confirmed impact.

References:
https://github.com/the-tcpdump-group/tcpslice/issues/11

Comment 1 Michael Kaplan 2022-01-13 16:04:21 UTC
Created tcpdump tracking bugs for this issue:

Affects: fedora-all [bug 2040393]


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