Bug 1760509 (CVE-2018-14466)

Summary: CVE-2018-14466 tcpdump: Buffer over-read in print-icmp6.c
Product: [Other] Security Response Reporter: Pedro Sampaio <psampaio>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: luhliari, mlichvar, mrehak, mruprich, msehnout, msekleta, thozza
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: tcpdump 4.9.3 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-11-04 02:22:22 UTC 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: 1760626, 1791724, 1791725    
Bug Blocks: 1760628, 1817480    

Description Pedro Sampaio 2019-10-10 17:22:53 UTC 
The Rx parser in tcpdump before 4.9.3 has a buffer over-read in print-rx.c:rx_cache_find() and rx_cache_insert().

Upstream patch:

https://github.com/the-tcpdump-group/tcpdump/commit/c24922e692a52121e853a84ead6b9337f4c08a94

References:

https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
Comment 1 Pedro Sampaio 2019-10-11 00:03:08 UTC 
Created tcpdump tracking bugs for this issue:

Affects: fedora-all [bug 1760626]
Comment 3 Stefan Cornelius 2020-03-27 17:25:44 UTC 
*** Bug 1817479 has been marked as a duplicate of this bug. ***
Comment 4 Product Security DevOps Team 2020-11-04 02:22:22 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-2018-14466
Comment 5 errata-xmlrpc 2020-11-04 03:41:12 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