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TITLE:
SGI IRIX gr_osview Privilege Escalation and Information Disclosure

SECUNIA ADVISORY ID:
SA14875

VERIFY ADVISORY:
http://secunia.com/advisories/14875/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information, Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
SGI IRIX 6.5.x
http://secunia.com/product/132/

DESCRIPTION:
Two vulnerabilities have been reported in SGI IRIX, which can be
exploited by malicious, local users to perform certain actions on a
vulnerable system with escalated privileges and disclose some
sensitive information.

1) An error in gr_osview, where permissions are not correctly
verified, can be exploited to write system usage information to
arbitrary files via the "-s" option.

2) An error in gr_osview, where permissions are not correctly
verified when opening description files specified by the user, can be
exploited to disclose the first line of arbitrary files via the "-d"
and "-D" options.

The vulnerabilities have been reported in IRIX version 6.5.21m,
6.5.21f, and 6.5.22 through 6.5.27.

SOLUTION:
Apply patches.

IRIX 6.5.23:
ftp://patches.sgi.com/support/free/security/patches/6.5.23/patch5869.tar

IRIX 6.5.24:
ftp://patches.sgi.com/support/free/security/patches/6.5.24/patch5869.tar

IRIX 6.5.25:
ftp://patches.sgi.com/support/free/security/patches/6.5.25/patch5869.tar

IRIX 6.5.26:
ftp://patches.sgi.com/support/free/security/patches/6.5.26/patch5869.tar

IRIX 6.5.27:
ftp://patches.sgi.com/support/free/security/patches/6.5.27/patch5869.tar

PROVIDED AND/OR DISCOVERED BY:
Discovered by anonymous person and reported via iDEFENSE.

ORIGINAL ADVISORY:
SGI:
ftp://patches.sgi.com/support/free/security/advisories/20050402-01-P.asc

iDEFENSE:
http://www.idefense.com/application/poi/display?id=225&type=vulnerabilities
http://www.idefense.com/application/poi/display?id=226&type=vulnerabilities

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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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