Secunia Security Advisory - BlackHawk has discovered a vulnerability in OpenNewsletter, which can be exploited by malicious people to bypass certain security restrictions and disclose sensitive data.
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TITLE:
OpenNewsletter Security Bypass Vulnerability
SECUNIA ADVISORY ID:
SA23476
VERIFY ADVISORY:
http://secunia.com/advisories/23476/
CRITICAL:
Moderately critical
IMPACT:
Security Bypass, Exposure of sensitive information
WHERE:
>From remote
SOFTWARE:
OpenNewsletter 2.x
http://secunia.com/product/12983/
DESCRIPTION:
BlackHawk has discovered a vulnerability in OpenNewsletter, which can
be exploited by malicious people to bypass certain security
restrictions and disclose sensitive data.
The subscribers.php and settings.php scripts do not properly restrict
access to logged in users and can be exploited with an HTTP client
that does not follow redirects.
Successful exploitation allows retrieval of all subscribers, the
administrator username, the administrator password, and the name of
the database file.
The vulnerability is confirmed in version 2.5. Other versions may
also be affected.
SOLUTION:
Restrict access to subscribers.php and settings.php.
PROVIDED AND/OR DISCOVERED BY:
BlackHawk
ORIGINAL ADVISORY:
http://www.milw0rm.com/exploits/2981
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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.
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