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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: Tue, 17 Oct 2006 21:15:05 +0200

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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")

- --

Saludos,
- -Roman

PGP Fingerprint:
09BB EFCD 21ED 4E79 25FB  29E1 E47F 8A7D EAD5 6742
[Key ID: 0xEAD56742. Available at KeyServ]
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fLTR3JrJQl8I9+2VW87w4sE=
=y2ll
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Current thread:

[NETRAGARD-20060810 SECURITY ADVISORY] [HP Tru64 dtmail Unchecked Buffer - Local Root Compromise] [ http://www.netragard.com ] Netragard Security Advisories (Oct 17)
- Re: [NETRAGARD-20060810 SECURITY ADVISORY] [HP Tru64 dtmail Unchecked Buffer - Local Root Compromise] [ http://www.netragard.com ] Roman Medina-Heigl Hernandez (Oct 17)
  - Re: [NETRAGARD-20060810 SECURITY ADVISORY] [HP Tru64 dtmail Unchecked Buffer - Local Root Compromise] [ http://www.netragard.com ] Roman Medina-Heigl Hernandez (Oct 20)
    - Message not available
    - Message not available
    - Re: [NETRAGARD-20060810 SECURITY ADVISORY] [HP Tru64 dtmail Unchecked Buffer - Local Root Compromise] [ http://www.netragard.com ] Roman Medina-Heigl Hernandez (Oct 20)
    - Re: [NETRAGARD-20060810 SECURITY ADVISORY] [HP Tru64 dtmail Unchecked Buffer - Local Root Compromise] [ http://www.netragard.com ] Netragard Security Advisories (Oct 20)
    - Message not available
    - HP Tru64 dtmail bug - Really exploitable? Roman Medina-Heigl Hernandez (Oct 22)
    - Re: HP Tru64 dtmail bug - Really exploitable? K F (lists) (Oct 22)