Bug 1660483 (CVE-2018-20004, CVE-2018-20005)

Summary:	CVE-2018-20005 CVE-2018-20004 mxml: Multiple vulnerabilities
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, green, kevin, projects.rg
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:	2019-06-10 10:44:13 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:	1660484, 1660485
Bug Blocks:

Description Andrej Nemec 2018-12-18 12:50:46 UTC

CVE-2018-20004

An issue has been found in Mini-XML (aka mxml) 2.12. It is a stack-based buffer overflow in mxml_write_node in mxml-file.c via vectors involving a double-precision floating point number and the '<order type="real">' substring, as demonstrated by testmxml.

https://github.com/fouzhe/security/tree/master/mxml#stack-buffer-overflow-in-function-mxml_write_node
https://github.com/michaelrsweet/mxml/issues/233

CVE-2018-20005

An issue has been found in Mini-XML (aka mxml) 2.12. It is a use-after-free in mxmlWalkNext in mxml-search.c, as demonstrated by mxmldoc.

https://github.com/fouzhe/security/tree/master/mxml#heap-use-after-free-in-function-mxmlwalknext
https://github.com/michaelrsweet/mxml/issues/234

Comment 1 Andrej Nemec 2018-12-18 12:51:15 UTC

Created mxml tracking bugs for this issue:

Affects: epel-7 [bug 1660485]
Affects: fedora-all [bug 1660484]

Comment 2 Product Security DevOps Team 2019-06-10 10:44:13 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.