Bug 1549305 (CVE-2018-7418)

Summary:	CVE-2018-7418 wireshark: SIGCOMP dissector crash in packet-sigcomp.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	denis, huzaifas, lemenkov, mruprich, msehnout, phatina
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	wireshark 2.4.5, wireshark 2.2.13	Doc Type:	If docs needed, set a value
Doc Text:	A denial of service flaw was found in the SIGCOMP dissector in Wireshark. A remote network attacker could potentially use this flaw to crash Wireshark by tricking it into processing a crafted packet.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-03-31 22:32:04 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:	1549306, 1557212, 1557213
Bug Blocks:	1549310

Description Laura Pardo 2018-02-26 22:35:02 UTC

A flaw was found in Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the SIGCOMP dissector could crash. This was addressed in epan/dissectors/packet-sigcomp.c by correcting the extraction of the length value. 

External References:

https://www.wireshark.org/security/wnpa-sec-2018-13.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14410

Upstream Patch:

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=29d920b8309905

Comment 1 Laura Pardo 2018-02-26 22:35:36 UTC

Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1549306]

Comment 6 errata-xmlrpc 2020-03-31 19:15:47 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 22:32:04 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-2018-7418