full-disclosure - Re: [NETRAGARD-20060810 SECURITY ADVISORY] [HP Tru64 dtmail Unchecked Buffer - Local Root Compromise] [ http://www.netragard.com ]

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Message-ID: <4539088B.90101@rs-labs.com>
Date: Fri, 20 Oct 2006 19:34:03 +0200
From: Roman Medina-Heigl Hernandez <roman@...labs.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: [NETRAGARD-20060810 SECURITY ADVISORY] [HP
 Tru64 dtmail Unchecked Buffer - Local Root Compromise] [
 http://www.netragard.com ]

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Roman Medina-Heigl Hernandez escribió:
>>> Product Name		: dtmail
>>> Product Version		: 5.1b
>>> Vendor Name		: Hewlet Packard
>>> Criticality	 	: Local Root Compromise
>>> Effort                	: Easy
>>> Operating System      	: Tru64
>>> Type			: Unchecked Buffer
> 
> Hello,
> 
> I've just installed vulnerable package in my test-bed:
> 
> # uname -a
> OSF1 alpha V5.1 2650 alpha
> # pwd
> /mnt/ALPHA/BASE
> # setld -l . OSFCDEMAIL540
> # ls -l /usr/dt/bin/dtmail
> -r-xr-sr-x   1 bin      mail     1212752 Oct 17  2002 /usr/dt/bin/dtmail
> #
> 
> How is this a local root? (binary is setgid "mail" but not setuid "root")

Confirmed by HP: *NOT* a local root.

"The vulnerability could be exploited by a local, authorized user to
execute arbitrary code as a member of the 'mail' group."

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c00793805&jumpid=reg_R1002_USEN

Interesting enough to note that the bug is also present in HPUX (same
scope, again not a local root).

Netragard ppl should fix their advisory and web site...

- --

Saludos,
- -Roman

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