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TITLE:
Afuse Shell Command Injection Vulnerability

SECUNIA ADVISORY ID:
SA31086

VERIFY ADVISORY:
http://secunia.com/advisories/31086/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Afuse 0.x
http://secunia.com/product/19321/

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

The vulnerability is caused due to the application improperly
sanitising filenames before using them in calls to "system()". This
can be exploited to execute arbitrary commands with escalated
privileges by requesting a file with a specially crafted filename
from a directory registered with Afuse for mounting.

The vulnerability is reported in version 0.2. Other versions may also
be affected.

SOLUTION:
Restrict access to Afuse virtual directories to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Debian credits Anders Kaseorg.

ORIGINAL ADVISORY:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=490921

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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:
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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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