oss-security - RE: CVE-2016-0729: Apache Xerces-C XML Parser Crashes on Malformed Input

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Date: Fri, 26 Feb 2016 05:15:54 +0000
From: Shivaprasad Sadashivappa <Shivaprasad.S@...anz.com>
To: "c-users@...ces.apache.org" <c-users@...ces.apache.org>,
	"c-dev@...ces.apache.org" <c-dev@...ces.apache.org>, "security@...che.org"
	<security@...che.org>, "oss-security@...ts.openwall.com"
	<oss-security@...ts.openwall.com>, "bugtraq@...urityfocus.com"
	<bugtraq@...urityfocus.com>
CC: Gustavo Grieco <gustavo.grieco@...g.fr>
Subject: RE: CVE-2016-0729: Apache Xerces-C XML Parser Crashes on Malformed
 Input

Hi,

Could you please let me know how to reproduce the issue, we are using xerces-c in one our product.

Ahead Together,
Shivaprasad BS

E mail: Official shivaprasad.s@...anz.com 
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-----Original Message-----
From: Cantor, Scott [mailto:cantor.2@....edu] 
Sent: Thursday, February 25, 2016 7:51 PM
To: c-dev@...ces.apache.org; c-users@...ces.apache.org; security@...che.org; oss-security@...ts.openwall.com; bugtraq@...urityfocus.com
Cc: Gustavo Grieco
Subject: CVE-2016-0729: Apache Xerces-C XML Parser Crashes on Malformed Input

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

CVE-2016-0729: Apache Xerces-C XML Parser Crashes on Malformed Input

Severity: Critical

Vendor: The Apache Software Foundation

Versions Affected: Apache Xerces-C XML Parser library versions prior to V3.1.3

Description: The Xerces-C XML parser mishandles certain kinds of malformed input documents, resulting in buffer overlows during processing and error reporting. The overflows can manifest as a segmentation fault or as memory corruption during a parse operation. The bugs allow for a denial of service attack in many applications by an unauthenticated attacker, and could conceivably result in remote code execution.

Mitigation: Applications that are using library versions older than
V3.1.3 should upgrade as soon as possible. Distributors of older versions should apply the patches from this subversion revision:

http://svn.apache.org/viewvc?view=revision&revision=1727978

Credit: This issue was reported by Gustavo Grieco.

References:
http://xerces.apache.org/xerces-c/secadv/CVE-2016-0729.txt

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