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Re: [NETRAGARD-20060810 SECURITY ADVISORY] [HP Tru64 dtmail Unchecked Buffer - Local Root Compromise] [ http://www.netragard.com ]
From: Roman Medina-Heigl Hernandez <roman () rs-labs com>
Date: Fri, 20 Oct 2006 19:34:03 +0200

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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

PGP Fingerprint:
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[Key ID: 0xEAD56742. Available at KeyServ]
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