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Secunia Security Advisory 16936

Secunia Security Advisory 16936
Posted Sep 27, 2005
Authored by Secunia | Site secunia.com

Secunia Security Advisory - kcope has discovered a vulnerability in wzdftpd, which can be exploited by malicious users to compromise a vulnerable system.

tags | advisory
SHA-256 | d5305cba1c8c64f6cffd1c24c5e6b66a31b515d76065e164ca43cd52ac3fed07

Secunia Security Advisory 16936

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TITLE:
wzdftpd SITE Command Arbitrary Shell Command Injection

SECUNIA ADVISORY ID:
SA16936

VERIFY ADVISORY:
http://secunia.com/advisories/16936/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
wzdftpd 0.x
http://secunia.com/product/1799/

DESCRIPTION:
kcope has discovered a vulnerability in wzdftpd, which can be
exploited by malicious users to compromise a vulnerable system.

The vulnerability is caused due to the lack of sanitisation of SITE
command parameters before passing them as command line arguments to
custom SITE command handling scripts. This can be exploited to inject
arbitrary shell commands using the "|" or ";" characters.

The vulnerability has been confirmed in version 0.5.4. Other versions
may also be affected.

SOLUTION:
Grant SITE commands only to trusted users.

PROVIDED AND/OR DISCOVERED BY:
kcope

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2005-September/037376.html

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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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