Bug 977993 – VUL-0: CVE-2016-4344: php: heap overflow in ext/xml/xml.c

Bug 977993 - (CVE-2016-4344) VUL-0: CVE-2016-4344: php: heap overflow in ext/xml/xml.c

(CVE-2016-4344)
Summary:	VUL-0: CVE-2016-4344: php: heap overflow in ext/xml/xml.c

Status:	RESOLVED FIXED

Classification:	Novell Products
Product:	SUSE Security Incidents
Classification:	Novell Products
Component:	Incidents
Version:	unspecified
Hardware:	Other Other

Priority:	P2 - High Severity: Normal
Target Milestone:	---
Assigned To:	Petr Gajdos
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/168405/
Whiteboard:	CVSSv2:RedHat:CVE-2016-4346:4.3:(AV:...
Keywords:

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Blocks:
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Reported:	2016-05-02 08:18 UTC by Sebastian Krahmer
Modified:	2016-05-04 09:24 UTC (History)
CC List:	2 users (show)

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Found By:	Security Response Team
Services Priority:
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Blocker:	---
Marketing QA Status:	---
IT Deployment:	---

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Description Sebastian Krahmer 2016-05-02 08:18:35 UTC

CVE-2016-4344



References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-4344
http://seclists.org/oss-sec/2016/q2/163
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-4344.html

Comment 1 Petr Gajdos 2016-05-02 14:53:40 UTC

https://bugs.php.net/bug.php?id=71637

Comment 2 Petr Gajdos 2016-05-03 12:56:57 UTC

xml_utf8_encode() uses safe_malloc() before 7.0.

Testcase:

<?php
//1.php
ini_set('memory_limit',-1);
utf8_encode(str_repeat("A",(0xffffffff/4)+0x1000));
?>