Bug 1609948 (CVE-2018-14438)

Summary:	CVE-2018-14438 wireshark: Improper Access Control in create_app_running_mutex function in wsutil/file_util.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:	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:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-07-31 12:18:01 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:	1609949, 1609950
Bug Blocks:	1609951

Description Laura Pardo 2018-07-30 21:35:18 UTC

A flaw was found in Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.


References:
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14921

Comment 1 Laura Pardo 2018-07-30 21:35:48 UTC

Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1609950]

Comment 3 Stefan Cornelius 2018-07-31 12:18:01 UTC

This is only a problem on Windows platforms.

Comment 4 Stefan Cornelius 2018-07-31 12:18:11 UTC

Statement:

This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 6 and 7.