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TITLE:
Sun Solaris IP Multicast Filter Privilege Escalation

SECUNIA ADVISORY ID:
SA30693

VERIFY ADVISORY:
http://secunia.com/advisories/30693/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Sun Solaris 10
http://secunia.com/product/4813/

DESCRIPTION:
Tobias Klein has reported a vulnerability in Sun Solaris, which
potentially can be exploited by malicious, local users to gain
escalated privileges.

The vulnerability is caused due to a signedness error in the IP
kernel module when setting a socket's multi-cast filter. This can be
exploited via a specially crafted "SIOCSIPMSFILTER" IOCTL requests.

SOLUTION:
Apply patches.

-- SPARC Platform --

Solaris 10:
Apply patch 137111-01 or later.


-- x86 Platform --

Solaris 10:
Apply patch 137112-01 or later.

PROVIDED AND/OR DISCOVERED BY:
Tobias Klein

ORIGINAL ADVISORY:
Sun Microsystems:
http://sunsolve.sun.com/search/document.do?assetkey=1-66-237965-1

Trapkit.de:
http://www.trapkit.de/advisories/TKADV2008-003.txt

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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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