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Sun Solaris dtsession privilege escalation
Secunia Advisory: SA8468
Release Date: 2003-04-01
Popularity: 7,518 views

Critical:
Less critical
Impact: Privilege escalation
Where: Local system
Solution Status: Vendor Patch

OS:Sun Solaris 2.6
Sun Solaris 7
Sun Solaris 8
Sun Solaris 9

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CVE reference:CVE-2003-0092


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

Provided and/or discovered by:
NSFOCUS Security Team

Original Advisory:
http://www.nsfocus.com/english/homepage/sa2003-03.htm


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