----------------------------------------------------------------------

Secunia is proud to announce the availability of the Secunia Software
Inspector.

The Secunia Software Inspector is a free service that detects insecure
versions of software that you may have installed in your system. When
insecure versions are detected, the Secunia Software Inspector also
provides thorough guidelines for updating the software to the latest
secure version from the vendor.

Try it out online:
http://secunia.com/software_inspector/

----------------------------------------------------------------------

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

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

Unsubscribe: Secunia Security Advisories
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

----------------------------------------------------------------------