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Operating Systems Solaris ps output truncated
# 15  
Old 03-21-2013
Quote:
Originally Posted by achenle
If you really need this capability for non-root users, you can set the setuid bit on the permissions for /usr/bin/pargs or /usr/ucb/ps:
Code:
chmod 4555 /usr/ucb/ps

Doing that will give all users the ability to dump the entire process argument list along with the entire process environment - for all processes.
Please don't advise that ...
Quote:
You also need to be really careful with changing permissions on Solaris base OS binaries - the standard Solaris install hard links multiple utilities to the same underlying binary, so if you change the permissions of one you change them all
Precisely. I just checked on a Solaris 10 update 2 and /usr/ucb/ps code is shared by 62 binaries, including mdb and dtrace (man isaexec to understand why). That means you basically grant root access to anyone with adding the setuid bit to ps.

---------- Post updated at 00:12 ---------- Previous update was at 00:07 ----------

Quote:
Originally Posted by solaris_1977
I read it, but still trying to understand what setting is there in other similar servers, where this is working (without sudo)
I guess pkgchk SUNWscpu will tell you. Can you post this command output ?
# 16  
Old 03-21-2013
PHP Code:
root@zrddoa_zone03:/# pkgchk SUNWscpu
root@zrddoa_zone03:/# pkgchk -l -p /usr/ucb/ps
Pathname: /usr/ucb/ps
Type: linked file
Source of link: ../../usr/lib/isaexec
Referenced by the following packages:
        SUNWscpu
Current status: installed 
# 17  
Old 03-21-2013
Okay, wrong guess then.

I was expecting /usr/ucb/sparc/ps (or /usr/ucb/x86/ps , /usr/ucb/amd64/ps) to be modified, which would have been less unsecured than altering /usr/ucb/ps.

The non root user with which you see the whole argument list might have been granted extra privileges.

Is there a difference between auths and ppriv $$ output on the different servers ?
# 18  
Old 03-21-2013
No difference. Output is same for both servers.
# 19  
Old 03-22-2013
I wouldn't fight it. It wants truncated output for security. That's the reality.

If you need the ww-wide information, run the process as root.
Does non-root ps really need ww-wide information on all processes?
# 20  
Old 03-22-2013
Yes, application team requires it. One of their script calls this command and use that info for some other script.
Also, this is already working in other servers, so they relunctant to use anything else. Let me check with Oracle also.
# 21  
Old 03-22-2013
You should ask your application team fix their script. It currently rely on a buggy behavior.

Make sure the latest Solaris 10 security patches are applied.

Perhaps have some of your servers been compromised.
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