Bug 1607323 (CVE-2018-14340)

Summary:	CVE-2018-14340 wireshark: Multiple dissectors could crash (wnpa-sec-2018-36)
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	denis, huzaifas, lemenkov, mruprich, msehnout, phatina, rvokal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	wireshark 2.6.2, wireshark 2.4.8, wireshark 2.2.16	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-03-31 22:32:52 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:	1607333, 1607334, 1612146
Bug Blocks:	1607335

Description Andrej Nemec 2018-07-23 09:48:58 UTC

It was found that dissectors that support zlib decompression could crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Upstream bug(s):

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14675

External References:

https://www.wireshark.org/security/wnpa-sec-2018-36.html

Comment 1 Andrej Nemec 2018-07-23 09:58:59 UTC

Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1607334]

Comment 5 Pedro Yóssis Silva Barbosa 2018-08-06 19:41:57 UTC

Upstream patch:

https://code.wireshark.org/review/#/c/27561/2/epan/tvbuff_zlib.c

Comment 6 errata-xmlrpc 2020-03-31 19:15:56 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:1047 https://access.redhat.com/errata/RHSA-2020:1047

Comment 7 Product Security DevOps Team 2020-03-31 22:32:52 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-2018-14340