Bug 1334648 (CVE-2016-4570, CVE-2016-4571)

Summary:	CVE-2016-4570 CVE-2016-4571 mxml: Stack exhaustion
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	brendan.jones.it, projects.rg
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 02:51:33 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:	1334649
Bug Blocks:

Description Andrej Nemec 2016-05-10 08:45:11 UTC

Two stack exhaustion issues based on uncontrolled recursion were found in mxml. A maliciously crafted xml file can cause the application to crash.

CVE-2016-4570:

Recursion using mxmlDelete at mxml-node.c:217 (reproducer is stack-exhaustion-1.xml)

CVE-2016-4571:

Recursion using mxml_write_node at mxml-file.c:2739 (reproducer is stack-exhaustion-2.xml)

References (reproducers available):

http://seclists.org/oss-sec/2016/q2/276

Comment 1 Andrej Nemec 2016-05-10 08:45:32 UTC

Created mxml tracking bugs for this issue:

Affects: fedora-all [bug 1334649]

Comment 3 Fedora Update System 2016-06-18 18:33:37 UTC

mxml-2.9-1.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.

Comment 4 Product Security DevOps Team 2019-06-08 02:51:33 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.