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Moderately critical

IBM AIX Mail Services Authentication Vulnerability

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Release Date:  2007-01-29    Last Update:  2008-01-24    Views:  16,751

Secunia Advisory SA23957

Where:

From remote

Impact:

Security Bypass

Solution Status:

Vendor Patch

Operating System:

CVE Reference(s):

No CVE references.

Description


A vulnerability has been reported in AIX, which can be exploited by malicious people to bypass certain security restrictions.

The vulnerability is caused due to a certain variable not being initialised in the various mail services (pop3d, pop3ds, imapd, and imapds) when checking passwords during the authentication process. This can be exploited to authenticate to the services with an invalid password when the user has "rlogin" set to "false".

The vulnerability is reported in version 5.3.


Solution:
Apply interim fix:

Further details available to Secunia VIM customers

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
IBM:
http://www-1.ibm.com/support/docview.wss?uid=isg1IY93084

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: IBM AIX Mail Services Authentication Vulnerability

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