VUPEN Security - Ruby REXML Library Entities Handling Denial of Service Vulnerability / Exploit (Security Advisories)

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>> Ruby REXML Library Entities Handling Denial of Service Vulnerability

Title : Ruby REXML Library Entities Handling Denial of Service Vulnerability
Advisory ID : VUPEN/ADV-2008-2428
CVE ID : CVE-2008-3790
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

Technical Description

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A vulnerability has been identified in Ruby, which could be exploited by attackers to cause a denial of service. This issue is caused by an error in the REXML library when parse an XML document containing recursively nested entities, which could be exploited to create a denial of service condition via a malicious XML file.

Credits

Vulnerability reported by Luka Treiber and Mitja Kolsek (ACROS Security).

ChangeLog

2008-08-25 : Initial release

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