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Insecure Library Loading
Highly critical

ALZip Insecure Library Loading Vulnerability

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Release Date:  2010-09-14    Views:  3,996

Secunia Advisory SA41448

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

No CVE references.

Description


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

The vulnerability is caused due to the application bundling a vulnerable version of mfc90u.dll, which loads libraries (e.g. mfc90enu.dll and mfc90loc.dll) in an insecure manner. This can be exploited to load arbitrary libraries by tricking a user into e.g. opening a CAB, ISO, or ZIP file located on a remote WebDAV or SMB share.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 8.0.6.3. Other versions may also be affected.


Solution:
Do not open untrusted files.

Provided and/or discovered by:
Aung Khant

Original Advisory:
http://core.yehg.net/lab/pr0js/advisories/dll_hijacking/%5Balzip%5D_8.0.6.3_insecure_dll_hijacking

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: ALZip Insecure Library Loading Vulnerability

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