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TITLE:
Simple Text-File Login Script Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA33110

VERIFY ADVISORY:
http://secunia.com/advisories/33110/

CRITICAL:
Highly critical

IMPACT:
Exposure of sensitive information, System access

WHERE:
>From remote

SOFTWARE:
Simple Text-File Login Script 1.x
http://secunia.com/advisories/product/20768/

DESCRIPTION:
Osirys has discovered a vulnerability and a security issue in Simple
Text-File Login Script, which can be exploited by malicious people to
disclose sensitive information and compromise a vulnerable system.

1) Input passed to the "slogin_path" parameter in slogin_lib.inc.php
is not properly verified before being used to include files. This can
be exploited to include arbitrary files from local and external
resources.

2) The "slog_users.txt" file is stored with insecure permissions
inside the web root. This can be exploited to gain knowledge of
sensitive information (e.g. user names and passwords) by requesting
the file directly.

These vulnerabilities are confirmed in version 1.0.6. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly verified.
Move the password file out of the web root.

PROVIDED AND/OR DISCOVERED BY:
Osirys

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/7444

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