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TITLE:
WEB-DAV Linux File System No Enforcing of UNIX Permissions

SECUNIA ADVISORY ID:
SA15497

VERIFY ADVISORY:
http://secunia.com/advisories/15497/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information, Manipulation of data

WHERE:
Local system

SOFTWARE:
WEB-DAV Linux File System (davfs2) 0.x
http://secunia.com/product/4244/

DESCRIPTION:
Andrew Pimlott has reported a security issue in WEB-DAV Linux File
System (davfs2), which can be exploited by malicious, local users to
bypass certain security restrictions.

The problem is that a mounted file system fails to support UNIX
permissions. This can be exploited to manipulate and disclose then
contents of arbitrary files on the file system.

SOLUTION:
Mount the file system only on systems with trusted users.

PROVIDED AND/OR DISCOVERED BY:
Andrew Pimlott

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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.

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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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