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The Secunia Software Inspector is a free service that detects insecure
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TITLE:
Debian Apache Privilege Escalation

SECUNIA ADVISORY ID:
SA24324

VERIFY ADVISORY:
http://secunia.com/advisories/24324/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Debian GNU/Linux unstable alias sid
http://secunia.com/product/530/
Debian GNU/Linux 3.1
http://secunia.com/product/5307/

DESCRIPTION:
A vulnerability has been discovered in Debian, which can be exploited
by malicious, local users to gain escalated privileges.

The vulnerability is caused due to the apache server retaining the
controlling tty on startup. This can be exploited to gain escalated
privileges via specially crafted CGI scripts.

Successful exploitation makes it possible to gain root privileges,
but requires that the apache server is started manually and the
invoking root shell is not closed afterwards.

The vulnerability is confirmed in the Debian apache server version
1.3.34-4. Other versions may also be affected.

SOLUTION:
Close the shell when starting or restarting the apache server
manually.

Grant only trusted users access to affected systems.

PROVIDED AND/OR DISCOVERED BY:
Dean Gaudet and Richard Thrippleton

ORIGINAL ADVISORY:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=357561

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About:
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http://secunia.com/about_secunia_advisories/


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