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Other username to test security of setuid scripts with? [none] "su" will (probably) prompt you for 's password. This SUID privilege is then used by passwd to edit /etc/shadow. venu deleted file owned by king. suidperl is itself running with setuid root.

scripts from being secure. It is possible for perl5 to detect those bits and emulate setuid/setgid in a secure fashion. It applies to both regular files and directories. Assign sticky bit to the project directory.As a owner of the directory or administrator. # chmod +t /home/project # ls -ld /home/project/ drwxrwxr-t 15 root development 4096 Mar 27 13:46 /home/project/


What is effective user-id: Every process really has two user IDs: the effective user ID and the real user ID. (Of course, there's also an effective group ID and real group programs that cannot be executed by the kernel directory but need an interpreter such as the Bourne shell or Java,can have their setuid bit set, but it doesn't have any effect. So my question is if setuid is working for perl then i should not get that error because C code did not give me any error.

The perl 5.10.0 INSTALL file doesn't mention it, other than it will be deprecated in favour of the SETUID_SCRIPTS_ARE_SECURE_NOW option that doesn't seem to be working for me. PerlMonks Re: Changing effecive user id by Crackers2 (Parson) LoginCreateanewuser TheMonasteryGates SuperSearch SeekersofPerlWisdom Meditations PerlMonksDiscussion Obfuscation Reviews CoolUsesForPerl PerlNews Q&A Tutorials Poetry RecentThreads NewestNodes Donate What'sNew on Aug 26, 2009 at Suidperl takes care of elevating the user's privileges, and starting up the perl interpreter in a super-secure mode. This gives you the best of both worlds in having a small and limited setuid script but still have a scripting language available to do the work.

Seekers of Perl Wisdom Cool Uses for Perl Meditations PerlMonks Discussion Categorized Q&A Tutorials Obfuscated Code Perl Poetry Perl News about Information? Perl Setuid Script Caution: When you write a SUID program then you must make sure that it can only be used for the purpose that you intended it to be used. Zusätzlich habe ich auch versucht das suid-Bit zu setzen (oben gezeigt), doch das hat ebenfalls nicht geholfen. ??? http://linuxhostingsupport.net/blog/perl-script-cant-do-setuid-cannot-exec-sperl Many UNIX/Linux programs have a special permission mode that lets users update sensitive system files –like /etc/shadow -something they can't do directly with an editor.

So that's why i do not want to go to admin each time. I made a C program and it works by following same steps. scripts because of this. Don't tell me to ask administrator to change owner each time.

Perl Setuid Script

Larry Wall Shrine Buy PerlMonks Gear Offering Plate Awards Random Node Quests Craft Snippets Code Catacombs Editor Requests blogs.perl.org Perlsphere Perl Ironman Blog Perl Weekly Perl.com Perl 5 Wiki Perl Jobs https://binblog.info/2008/02/09/cannot-exec-sperl/ After you have worked for a while with Linux you discover probably that there is much more to file permissions than just the "rwx" bits. Perl-suidperl That fixed it on CentOS 6.4 Reply escorte says: February 26, 2015 at 3:37 pm Thanks. Insecure $env{path} While Running Setuid At scripts would be secure but have been disabled anyway, don't say that they are secure if asked.) If you are not sure if they are secure, I can check but I'll

The Configure program that builds Perl tries to figure this out for itself, so you should never have to specify this yourself. Thanks. When applied to a regular file, it ensures that the text image of a program with the bit set is permanently kept in the swap area so that it can be Möglichkeit: nicht /usr/bin/perl, sondern /usr/bin/suidperl verwenden (Perl-suid) letztere Möglichkeit habe ich verwendet und es funzt prächtig mfg 9 Einträge, 1 Seite View all threads created 2005-08-01 17:18.

Set SGID bit on project directory. So can i setuid for perl script or i should go with c code. How to use namedpipe as temporary file? First let's decide if your kernel supports secure setuid #!

For example, if a process tries to open a file, the kernel checks the effective user ID when deciding whether to let the process access the file. Manual Adobe FMS 3.5 Reference Manual Adobe Help Resource Center BlazeDS Developer Guide Flash AC3 Language reference Flash AC3 ref.manual Flash and AS3 links - documentation Flash CS3 documentations Flex - If you absolutely must have something written in Perl as setuid, the typical thing to do would be to make a small C wrapper that is setuid and executes the Perl

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The script's interpreter would be the thing that would actually need to be setuid, but doing that is a really bad idea. When a user running the program belongs to one of these two categories (probably, others), so access fails in the read test on shadow. J-jayz-Z 2005-08-02 00:05 User since2005-04-13 625 Artikel BenutzerIn Der wohl dem webserver am liebsten Weg wird denk ich mal suExec sein! When you run the script you will see that the process that runs it gets your user-ID and your group-ID: $ ./reids.pl Real UID: 500 Real GID: 500 500 Effective UID:

Speedy Servers and Bandwidth Generously Provided by pair Networks Built with the Perl programming language. For system security reasons it is not a good idea to set many program's set user or group ID bits any more than necessary,since this can allow an unauthorized user privileges Reading this thread nntp.perl.org/group/perl.perl5.porters/2008/12/msg142839.htm‌l it seems that you will have to either write your own C wrapper or use sudo. This causes the file to be executed under the user-ID of the user that owns the file rather than the user that executes the file.

How to locate PHP scripts that are sending spam emails on a Plesk server? REALLY bad. The UNIX/Linux system allows users to create files in /tmp, but none can delete files not owned by him. apt-cache search perl do not show anything related to suid.

Does your kernel have *secure* setuid scripts? [n] Some systems have disabled setuid scripts, especially systems where setuid scripts cannot be secure. scripts. (If setuid #! Not the answer you're looking for? I tried to run the script with the setuid bit set, and I got the following error message: [[email protected] ~]$ run-script Can't do setuid (cannot exec sperl) Well that certainly puts

In order to set the SGID on a directory or to remove it, use the following commands: $ chmod g+s directory or $ chmod 2755 directory $ chmod g-s directory or Set SGID on a directory: When SGID is set on a directory it has a special meaning. When you look around in your file system you will see "s" and "t" $ ls -ld /tmp drwxrwxrwt 29 root root 36864 Mar 21 19:49 /tmp $ which passwd /usr/bin/passwd Categories : Linux, Tips 'n Tricks Comments Brian Roper says: January 5, 2013 at 11:30 pm +1 Gold !