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cPanel Truncated Password Brute Force Vulnerability
Secunia Advisory: SA12943
Release Date: 2004-10-22
Popularity: 11,269 views

Critical:
Less critical
Impact: Brute force
Where: From remote
Solution Status: Unpatched

Software:cPanel 9.x

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Description:
Andrey Bayora has reported a vulnerability in cPanel, which makes it easier for malicious people to brute force webmail account passwords.

The vulnerability is caused due to passwords for webmail accounts being truncated to eight characters. This makes it possible to access a webmail account, where a password longer than eight characters has been configured, with an eight character long password matching the first eight characters of the account's password.

The vulnerability has been reported in version 9.4.1-STABLE 65. Other versions may also be affected.

Solution:
Restrict access to the webmail interface.

Use strong eight character passwords.

Provided and/or discovered by:
Andrey Bayora


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