Bug 1549244 (CVE-2018-7335)

Summary:	CVE-2018-7335 wireshark: IEEE 802.11 dissector crash in airpdcap.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	denis, dkholia, huzaifas, lemenkov, mruprich, msehnout, phatina, rvokal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	wireshrak 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 IEEE 802.11 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:	2018-03-16 09:08:49 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:	1549246
Bug Blocks:	1549310

Description Laura Pardo 2018-02-26 19:46:27 UTC

A flaw was found in Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the IEEE 802.11 dissector could crash. This was addressed in epan/crypt/airpdcap.c by rejecting lengths that are too small. 

External References:

https://www.wireshark.org/security/wnpa-sec-2018-05.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14442

Upstream Patch:

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=a2901dcf45c9f1b

Comment 1 Laura Pardo 2018-02-26 19:46:53 UTC

Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1549246]