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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/

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TITLE:
T-Com Speedport Authentication Bypass

SECUNIA ADVISORY ID:
SA23853

VERIFY ADVISORY:
http://secunia.com/advisories/23853/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From local network

OPERATING SYSTEM:
T-Com Speedport 500V 1.x
http://secunia.com/product/13294/

DESCRIPTION:
Virginity has reported a vulnerability in T-Com Speedport, which can
be exploited by malicious people to bypass certain security
restrictions.

The vulnerability is caused due to the administration interface using
an improper authentication method. This can be exploited to gain
access to the interface by providing a cookie parameter with the name
"LOGINKEY" and the value "TECOM".

The vulnerability is reported in T-Com Speedport 500V with firmware
version 1.31. Other versions may also be affected.

SOLUTION:
Use the device only in trusted networks.

Restrict access to the administration interface (e.g. via a
firewall).

PROVIDED AND/OR DISCOVERED BY:
Virginity

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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.

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.

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