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>> Libxml2 Buffer Overflow and Denial of Service Vulnerabilities

Title : Libxml2 Buffer Overflow and Denial of Service Vulnerabilities
Advisory ID : VUPEN/ADV-2008-2419
CVE ID : CVE-2003-1564 - CVE-2008-3281 - CVE-2008-3529 - CVE-2008-4409
CWE ID : CWE-400
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2008-08-25

Advisory Details

 
  Description
  Affected Products
  Solution
  References
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Two vulnerabilities have been identified in Libxml2, which could be exploited by attackers to cause a denial of service or compromise a vulnerable system.

The first issue is caused by a recursion error when processing malformed entities, which could allow attackers to cause a vulnerable application to exhaust all available memory resources via a specially crafted XML file.

The second vulnerability is caused by a buffer overflow error when processing overly long XML entity names, which could be exploited to crash an affected application or potentially execute arbitrary code.

Credits

Vulnerability reported by Andreas Solberg.

ChangeLog

2008-08-25 : Initial release
2008-09-16 : Updated Description

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