Bug 1760461 (CVE-2018-16227) - CVE-2018-16227 tcpdump: Buffer over-read in print-802_11.c
Summary: CVE-2018-16227 tcpdump: Buffer over-read in print-802_11.c
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-16227
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: 1760626 1791712 1791713
Blocks: 1760628
TreeView+ depends on / blocked
 
Reported: 2019-10-10 15:14 UTC by Pedro Sampaio
Modified: 2023-09-07 20:46 UTC (History)
6 users (show)

Fixed In Version: tcpdump 4.9.3
Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds read vulnerability was discovered in tcpdump while printing IEEE 802.11 packets captured in a pcap file or coming from the network. A remote attacker may abuse this flaw by sending specially crafted packets that, when printed, would trigger the flaw and crash the application.
Clone Of:
Environment:
Last Closed: 2020-11-04 02:22:04 UTC
Embargoed:


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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:4760 0 None None None 2020-11-04 03:40:49 UTC

Description Pedro Sampaio 2019-10-10 15:14:02 UTC
The IEEE 802.11 parser in tcpdump before 4.9.3 has a buffer over-read in print-802_11.c for the Mesh Flags subfield.

Upstream patch:

https://github.com/the-tcpdump-group/tcpdump/commit/4846b3c5d0a850e860baf4f07340495d29837d09

References:

https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES

Comment 1 Pedro Sampaio 2019-10-11 00:02:08 UTC
Created tcpdump tracking bugs for this issue:

Affects: fedora-all [bug 1760626]

Comment 4 Product Security DevOps Team 2020-11-04 02:22:04 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-2018-16227

Comment 5 errata-xmlrpc 2020-11-04 03:40:48 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:4760 https://access.redhat.com/errata/RHSA-2020:4760


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