[SA21581] Sun Solaris RBAC Profile Privilege Escalation Vulnerabilities

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TITLE:
Sun Solaris RBAC Profile Privilege Escalation Vulnerabilities

SECUNIA ADVISORY ID:
SA21581

VERIFY ADVISORY:
http://secunia.com/advisories/21581/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Sun Solaris 10
http://secunia.com/product/4813/
Sun Solaris 8
http://secunia.com/product/94/
Sun Solaris 9
http://secunia.com/product/95/

DESCRIPTION:
Some vulnerabilities have been reported in Sun Solaris, which can be
exploited by malicious, local users to gain escalated privileges.

1) An unspecified error in the default configuration of the
Role-Based Access Control (RBAC) associated with the "File System
Management" profile can be exploited to execute arbitrary commands
with "root" privileges.

The vulnerability affects Sun Solaris 8 and 9 for both the SPARC and
x86 platform.

2) An unspecified error exists in the "format" command. This allows a
user, who has been granted the "File System Management" RBAC profile
or similar, to write to device files with "root" privileges.

The vulnerability affects Sun Solaris 8 and 9 for both the SPARC and
x86 platform.

3) A boundary error in the "format" command can be exploited to cause
a buffer overflow. This allows a user, who has been granted the "File
System Management" RBAC profile or similar, to execute arbitrary code
with "root" privileges.

The vulnerability affects Sun Solaris 8, 9, and 10 for both the SPARC
and x86 platform.

SOLUTION:
Apply patches.

– SPARC Platform –

Solaris 8:
Apply patch 108975-10 or later.
http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-108975-10-1

Solaris 9:
Apply patch 113072-08 or later.
http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-113072-08-1

Solaris 10:
Apply patch 118833-18 or later.
http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-118833-18-1

– x86 Platform –

Solaris 8:
Apply patch 108976-10 or later.
http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-108976-10-1

Solaris 9:
Apply patch 114423-07 or later.
http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-114423-07-1

Solaris 10:
Apply patch 118997-09 or later.
http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21-118997-09-1

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
Sun Microsystems:
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102514-1
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102519-1

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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.