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TITLE:
Alkalay man-cgi "topic" Shell Command Injection Vulnerability

SECUNIA ADVISORY ID:
SA16887

VERIFY ADVISORY:
https://secunia.com/advisories/16887/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Alkalay man-cgi
https://secunia.com/product/5741/

DESCRIPTION:
sullo has discovered a vulnerability in Alkalay man-cgi, which can be
exploited by malicious people to compromise a vulnerable system.

Input passed to the "topic" parameter in "man-cgi.cgi" isn't properly
sanitised before being used in an "exec()" call. This can be exploited
to inject and execute arbitrary shell commands via the "|" pipe
character.

The vulnerability has been confirmed in the latest available version.
Other versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
sullo

ORIGINAL ADVISORY:
https://www.cirt.net/advisories/alkalay.shtml

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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:
https://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
https://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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