[NT] ASPjar Guestbook login.asp SQL Injection

From: SecuriTeam (support_at_securiteam.com)
Date: 02/14/05

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Date: 14 Feb 2005 13:40:20 +0200

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      ASPjar Guestbook login.asp SQL Injection
    ------------------------------------------------------------------------

    SUMMARY

    Due to a vulnerability in the way login.asp handles incoming requests, a
    remote attacker can cause the program to execute arbitrary SQL statements
    by supplying arbitrary values to the password parameter.

    DETAILS

    Vulnerable Systems:
     * ASPjar Guestbook version 1.0

    Exploit:
    Supply in the password field ' or ''=', this should allow you to bypass
    the authentication process used by ASPjar Guestbook.

    Solution:
    The product no longer exists, nor is the company that wrote it.

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:farhadkey@yahoo.com> farhad
    koosha.

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