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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.

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Definitions: (Criticality, Where etc.)
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