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Moderately critical

Citrix Presentation Server IMA Service Vulnerabilities

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Release Date:  2006-11-10    Last Update:  2006-11-16    Views:  15,006

Secunia Advisory SA22802

Where:

From local network

Impact:

DoS, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Two vulnerabilities have been reported in Citrix Presentation Server, which can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system.

1) An error exists within the "IMA_SECURE_DecryptData1()" function in ImaSystem.dll when decrypting authentication data. This can be exploited to cause a heap-based buffer overflow by sending specially crafted data to the Independent Management Architecture (IMA) service (default port 2512/tcp or 2513/tcp).

Successful exploitation may allow execution of arbitrary code.

2) An input validation error in the handling of certain packet types in the Independent Management Architecture (IMA) service can be exploited to crash the service.


Solution:
Apply hotfix (see vendor advisory for details).

Provided and/or discovered by:
1) Eric Detoisien and an anonymous person.
2) Eirc Detoisien

Original Advisory:
Citrix:
http://support.citrix.com/article/CTX111186

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-06-038.html

iDefense:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=441

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: Citrix Presentation Server IMA Service Vulnerabilities

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