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TITLE:
Adobe Reader for Linux Insecure Temporary File Creation

SECUNIA ADVISORY ID:
SA14457

VERIFY ADVISORY:
http://secunia.com/advisories/14457/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information

WHERE:
Local system

SOFTWARE:
Adobe Acrobat Reader 5.x
http://secunia.com/product/389/

DESCRIPTION:
Secunia Research has discovered a security issue in Adobe Reader for
Linux, which can be exploited by malicious, local users to gain
knowledge of sensitive information.

The problem is caused due to temporary files being created with
permissions based on the user's umask in the "/tmp" folder under
certain circumstances when documents are opened.

Successful exploitation allows an unprivileged user to read arbitrary
users' documents.

The security issue has been confirmed in version 5.0.10. Other
versions may also be affected.

SOLUTION:
The security issue does not affect version 7.0 for Linux. The vendor
therefore recommends users to upgrade to this version.

The vendor is not planning on releasing a patch for version 5.0.10
even though it's still available for download from the vendor's web
site.

PROVIDED AND/OR DISCOVERED BY:
Carsten Eiram, Secunia Research.

ORIGINAL ADVISORY:
Secunia Research:
http://secunia.com/secunia_research/2005-6/

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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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