Apache Xerces-C XML Parser Crashes on Malformed Input

2015.03.26
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-20


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

CVE-2015-0252: Apache Xerces-C XML Parser Crashes on Malformed Input Severity: Important Vendor: The Apache Software Foundation Versions Affected: Apache Xerces-C XML Parser library versions prior to V3.1.2 Description: The Xerces-C XML parser mishandles certain kinds of malformed input documents, resulting in a segmentation fault during a parse operation. The bug does not appear to allow for remote code execution, but is a denial of service attack that in many applications may allow for an unauthenticated attacker to supply malformed input and cause a crash. Mitigation: Applications that are using library versions older than V3.1.2 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=1667870 Credit: This issue was reported independently by Anton Rager and Jonathan Brossard from the Salesforce.com Product Security Team and by Ben Laurie of Google. References: http://xerces.apache.org/xerces-c/secadv/CVE-2015-0252.txt

References:

http://xerces.apache.org/xerces-c/secadv/CVE-2015-0252.txt
http://www.debian.org/security/2015/dsa-3199
http://svn.apache.org/viewvc?view=revision&revision=1667870


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