Security Advisory SA42373 - Moonlight Generic Constraints Bypass Vulnerability

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Secunia Advisory SA42373

Moonlight Generic Constraints Bypass Vulnerability

Secunia Advisory

SA42373

Release Date

2010-11-26

Last Update

2010-12-01

Popularity

2,799 views

Comments

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Criticality level

Highly critical

Impact

Security Bypass
System access

Where

From remote

Authentication level

This information is available to Secunia VIM customers

Report reliability

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Solution Status

Vendor Patch

3rd party PoC/exploit

Link available in Customer Area

Systems affected

This information is available to Secunia VIM customers

Approve distribution

This information is available to Secunia VIM customers

Software:

Moonlight 2.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2010-4254 CVSS score available to Secunia VIM customers

Description

A vulnerability has been reported in Moonlight, which potentially can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to the insufficient validation of arguments passed to generic methods. This can be exploited to circumvent generic constraints and subsequently bypass security policies or potentially execute arbitrary code.

Solution
Update to version 2.3.0.1.

Provided and/or discovered by
Chris Howie

Changelog
Further details available to Secunia VIM customers

Original Advisory
Novell Bug #654136:
https://bugzilla.novell.com/show_bug.cgi?id=654136

Mono:
http://www.mono-project.com/Vulnerabilities#Moonlight_Generic_Constraints_Bypass_Vulnerability

Mono GIT commits:
https://github.com/mono/mono/commit/4905ef1130feb26c3150b28b97e4a96752e0d399
https://github.com/mono/mono/commit/65292a69c837b8a5f7a392d34db63de592153358
https://github.com/mono/mono/commit/cf1ec146f7c6acdc6697032b3aaafc68ffacdcac

Deep Links
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Moonlight Generic Constraints Bypass Vulnerability

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Secunia Advisory SA42373

Moonlight Generic Constraints Bypass Vulnerability

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