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Secunia Security Advisory 42255

Secunia Security Advisory 42255
Posted Nov 18, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A security issue has been reported in GNOME Shell, which can be exploited by malicious, local users to gain escalated privileges.

tags | advisory, shell, local
MD5 | dc84a0339324525aeabc012379f3bf4e

Secunia Security Advisory 42255

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TITLE:
GNOME Shell LD_LIBRARY_PATH Security Issue

SECUNIA ADVISORY ID:
SA42255

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42255/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42255

RELEASE DATE:
2010-11-18

DISCUSS ADVISORY:
http://secunia.com/advisories/42255/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/42255/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=42255

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A security issue has been reported in GNOME Shell, which can be
exploited by malicious, local users to gain escalated privileges.

The security issue is caused due to the gnome-shell script
incorrectly setting the environment variable LD_LIBRARY_PATH. This
can be exploited to gain escalated privileges e.g. by tricking a user
into running the script in a directory containing a malicious library.

SOLUTION:
Fixed in the GIT repository.

PROVIDED AND/OR DISCOVERED BY:
Red Hat credits Ludwig Nussel.

ORIGINAL ADVISORY:
GNOME bug #631004:
https://bugzilla.gnome.org/show_bug.cgi?id=631004

GIT commit:
http://git.gnome.org/browse/gnome-shell/commit/?id=c6eb2761c719af47248badb2187866ffaff6e671

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/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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