From: Secunia Security Advisories (sec-advsecunia.com)
Date: Tue Apr 01 2003 - 02:40:18 CST

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TITLE:
Sun Solaris dtsession privilege escalation

READ ONLINE:
http://www.secunia.com/advisories/8468/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
From remote

OPERATING SYSTEM:
Sun Solaris 2.6
Sun Solaris 9
Sun Solaris 8
Sun Solaris 7

DESCRIPTION:
Sun Solaris has been found vulnerable to a privilege escalation
vulnerability in "dtsession".

dtsession is installed setuid "root" and does not properly verify the
"HOME" environment variable. This allows a malicious user to cause a
heap overflow which can be exploited to execute arbitrary code with
root privileges.

SOLUTION:
It is necessary to remove the setuid bit until Sun issues a patch.
This may prevent users from unlocking the screen.

Reportedly Sun should have published an advisory today:
http://sunsolve.Sun.COM/pub-cgi/retrieve.pl?doc=fsalert/52388

The patches:
Solaris 2.6 106027-12
Solaris 2.6_x86 106028-12
Solaris 7 107702-12
Solaris 7_x86 107703-12
Solaris 8 109354-19
Solaris 8_x86 109355-18
Solaris 9 114497-01
Solaris 9_x86 114498-01

REPORTED BY / CREDITS:
NSFOCUS Security Team

ORIGINAL ADVISORY:
http://www.nsfocus.com/english/homepage/sa2003-03.htm

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