Questions tagged [suid]
The suid tag has no usage guidance.
19
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2
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SUID bit disappearing from a program
I maintain a bunch of Debian 11.8 servers and recently something weird has started happening. The SUID bit has started disappearing from a program on all servers roughly at the same time.
For example, ...
user3903
1
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2
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how to make a shell execute with suid
I'm trying to suid a shell and it's not working. I need help understanding why, and how to fix it...
I'm following these steps (as root)
cp /usr/bin/bash /usr/bin/bash-emergency
chmod 4755 /usr/bin/...
- 460
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1
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70
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I'm trying to provide limited access to certain functionality using links, bash scripts and SUID. SUID script does not run with root access
EDIT: this Sticky bit enabled Script can't write to a root file appears to be a similar problem
EDIT: How can I use SetUID on a shell script to run as a non-root user? is very similar as well.
I ...
- 9
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Group of new file created by the webserver is always set to sudo
I am running a magento 2 project on Apache 2 Webserver.
There is a logfile folder at var/log
I have set the permission, user and group of the folder to drwsrwxr-x 2 company www-data by using chmod ...
- 491
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1
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377
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Sticky bit enabled Script can't write to a root file
I have 2 files in the /tmp/.
The first one is an empty file named "file" with permission -rw------- and owner root:root.
The second file is named "script" which is a simple Ruby script with ...
- 287
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1
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413
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Why /proc has nosuid on Ubuntu
I notice /proc and /dev is mounted differently on ubuntu than other linux distribution as follows:
Ubuntu:
udev on /dev type devtmpfs (rw,nosuid,relatime,size=4079136k,nr_inodes=1019784,mode=755)
...
- 11
4
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2
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Allowing nagios plugin check_dhcp to work without setuid root
Nagios has a plugin, check_dhcp, that does exactly what you'd think. It's widely suggested to install it setuid root, because it uses SO_BINDTODEVICE, which usually only root can do. Of course a ...
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Is runing script with SUID bit set up work the same as runing same script with sudo (or root)?
I wanna run some script with root priviliges but by apache user. So I added SUID bit to script file but this doesn't work as I expected.
Script file owner is root.
rwsr-xr-x 1 root root 2438 paź ...
- 5,278
1
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3
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Running svnsync on a repository with group suid/sgid set fails to execute a hook
I have a Linux server that I am attempting to run svnsync against a list of repositories to mirror / back up.
I created a folder /srv/backups and set it to have the group gsid of adm, using chmod g+s ...
- 131
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1
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How can I use SetUID on a shell script to run as a non-root user?
Our company's server is running Ubuntu 12.04 (Precise) and Apache 2. We have a custom, internal web application installed. I have a bash script which pulls any updates to that app from source control ...
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1
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182
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smbd won't start or stop when user is elevated to root by SUID bit
Under Ubuntu 12.04, I've written the following C program to help me shut down my server's apache2 and samba services while I run automated backups. Notice that in the Makefile I'm setting the SUID bit ...
- 807
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1
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238
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How to SUID? Shellscript, Perlscript, Binary-Wrapper?
I just read some articales about suid.
lets say i need the helpdesk to be able to change customer passwords.
it would be good if i could execute a ruby script that checks the db if the user is a ...
- 139
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3
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434
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Problems with SUID
I have a simple command that I want to be able to perform as a user, but it requires root permissions. I suspect that this is a case for the "SUID"-bit, but I've never used it.
This is what I've ...
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1
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449
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PHP Security: Need help understanding SUID
I am reading a book about PHP Security and there's the below I do not really understand, specific part in bold. So say PHP want to move a file that belongs to user A, PHP has to run as user A? Is that ...
- 241
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find / -perm -4000 -o -perm -2000 > suid.. help with bash script to run nightly.?
help me with this this problem. so far i have "find / -perm -4000 -o -perm -2000 | xargs ls -l > suild.list" argument that i want to write as a bash script.
I would like to write this as a bash ...
su
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1
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2k
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Running a shell script with its owner's privileges
On a Debian (5.0.3) server I have a user svnsync who owns a certain shell script:
-rwsrwsr-x 1 svnsync users 119 Dec 21 13:45 mirror-svn.sh
I'd like everyone in the users group to be able to ...
- 3,061
0
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5
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3k
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Setuid not working on Solaris
I have a Perl script marked setuid, but when I run it, it says I don't have permission to do so. I am running Solaris 10. This works on another system but I can't tell whats different. What am I ...
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62
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9
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Run a shell script as a different user
What's a good way of running a shell script as a different user. I'm using Debian etch, and I know which user I want to impersonate.
If I was doing it manually, I would do:
su postgres
./backup_db....
- 1,082
15
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3
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7k
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Cannot Set UID on Shell Scripts
Can anyone help me find out what is going on here? I have some rules set up tracking packet counts. When I run the following script as root:
#!/bin/bash
iptables -t mangle -xnvL
I get the output I ...
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