To:blowtorch - Setuid uid/euid issue

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1. UNIX for Beginners Questions & Answers

What keeps me from abusing setuid(0) and programs with setuid bit set?

Just learning about the privilege escalation method provided by setuid. Correct me if I am wrong but what it does is change the uid of the current process to whatever uid I set. Right ? So what stops me from writing my own C program and calling setuid(0) within it and gaining root privileges ? ...

2. Solaris

Need help with setuid.

Hi Gurus, I need your suggestions,to implement setuid. Here is the situation. I have a user xyz on a solaris zone.He needs to install a package using a pkgadd command but i guess only a root can run that .Is there any way I can set the setuid bit on the pkgadd which is in the location...

3. UNIX for Dummies Questions & Answers

Changing the user id or euid of the shell itself

Hi all, Ok, bear with me on this one, I am a bit new to Unix and it might take me a little bit of time to articulate my question. I know that every process has a user id and an effective user id. This seems to include the shell itself, because when I type 'ps', I see 'bash' listed as a...

4. Solaris

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Hi all, I have a question to see if I understand the euid and uid attributes correctly for rbac (/etc/security/exec_attr): All: * Audit Control: /etc/init.d/audit euid=0, egid=3 /etc/security/bsmconv uid=0 /etc/security/bsmunconv uid=0 /usr/sbin/audit euid=0 /usr/sbin/auditconfig...

5. Red Hat

euid and egid frpm proc

hi, can anyone tell me where can i find euid and egid from /proc file system in RHEL 4? i read stat file, but i got only uid and gid, and cudnot find any entry regarding euid and egid.please suggest... thanks, sanjay

6. Solaris

EUID set for all non-root users

We have a Solaris box. I noticed that whenever any non-root user logins into the box and issues the command id the output is (for example) uid=42568(sam) gid=1245(sam) euid=0(root) egid=2(bin). I have not given any privileges to anyone explicitly. When I issued ls -l in the /usr/bin directory I...

7. UNIX for Dummies Questions & Answers

setuid

could u plz give me clear idea of spcial permissions setuid,getuid and striky bit .

8. UNIX for Advanced & Expert Users

Setuid Program with (-rwsr-sr-x 1 root other ) UID/EUID issue

Hi, I have a program with the following suid setup -rwsr-sr-x 1 root other 653 Aug 16 17:00 restart_server It basically starts up a service that has to be started by root. I just want the normal users to be able to restart the service using the script above. But when the...

9. UNIX for Advanced & Expert Users

setuid

I have a C wrapper programme which basically execute a shell script. The shell script has 700 as permission and oracle is owner of the shell script. The C execuatble has 4711 permission so that means that it has setuid bit set and group and others can execute the C executable. The reason why I am...

UNIX for Dummies Questions & Answers