How To Fix Apache Cannot Exec Sperl (Solved)

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Apache Cannot Exec Sperl


On these systems, Perl should be compiled with -DSETUID_SCRIPTS_ARE_SECURE_NOW . Browse other questions tagged c apache perl unix setuid or ask your own question. Fortunately, the solution is easy. Möglichkeit: Kernel mit suid-Bit Fkt für Scripte backen 2. check over here

The script's interpreter would be the thing that would actually need to be setuid, but doing that is a really bad idea. So that's why i do not want to go to admin each time. 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. I couldn't see any instructions on how to do this in the INSTALL file. recommended you read


However, I still need to get it working with my hand-compiled Perl According to perlsec: In recent years, vendors have begun to supply systems free of this inherent security bug. The find command easily locate them: # find /home -perm -4000 -print | mail root The extra octal bit (4) signifies the SUID mode, but find treats the "–" before 4000 Email check failed, please try again Sorry, your blog cannot share posts by email. Thus when a non privileged user executes passwd, the effective UID of the process is not the user's, but of root's – the owner of the program.

Apophys said, on November 18th, 2007 at 9:11 am Thank you for the tip ! suidperl is itself running with setuid root. 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. There is simply an additional package that needs to be installed to provide the wrapper program that puts this Perl security in place.

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 - perlsec provides some good information about securing such scripts. The file is owned by king and has the s-bit set where normally the x is for the owner of the file. The fourth permission bit is used only when a special mode of a file needs to be set.

scripts. (If setuid #! Seekers of Perl Wisdom Cool Uses for Perl Meditations PerlMonks Discussion Categorized Q&A Tutorials Obfuscated Code Perl Poetry Perl News about Information? PerlMonks somehow became entangled with The Perl Foundation. in reply to Changing effecive user id For the second part "group ids haven't changed", you need to reverse the order of your assignments, since once you've changed your UID you

Perl Setuid Script

How to use namedpipe as temporary file? Wait... Perl-suidperl It applies to both regular files and directories. Insecure $env{path} While Running Setuid At Now add SUID permission to the script : # chmod u+s /home/venu/ (Do it from root account) Now return from the super user mode to the usual non privileged mode.

In this case, I needed the script to run as root. check my blog up vote 3 down vote favorite I made a perl script to change owner of a file owned by some other user. 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 If it is not installed then you get this message: Can't do setuid (cannot exec sperl) Having said all of that - you would be much better off using sudo to

By doing this, Perl can help lock down possible attack vectors that can compromise the security of your script. Since doing this can be very dangerous, Perl does something very nice by default: If you have the setuid bit set on the script, it forces the script to run in Example: I logged in as king and created a temp file. $ whoami king $ pwd /home/project/ $ touch temp; ls -l -rw-r-r- 1 king king 0 Mar 27 13:44 temp The Configure program that builds Perl tries to figure this out for itself, so you should never have to specify this yourself.

Again I recommend sudo as a better alternative. 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 So now down to the main point of this post.

asked 2 years ago viewed 4075 times active 2 years ago Visit Chat Linked -2 exec() in perl as root Related 2163Check if a directory exists in a shell script3How to

i am using perl 5.14.2 –Sumit Rathore Feb 9 '14 at 18:22 @SumitRathore it seems that suidperl has been removed from perl at 5.12 ( It is much more secure as you can specify exactly what is allowed to be executed via the sudoers file. Top Send to Email Address Your Name Your Email Address Cancel Post was not sent - check your email addresses! Notify me of new posts via email.

Cheers[reply][d/l] Re^3: Changing effecive user id by astroboy (Chaplain) on Aug 27, 2009 at 01:44EDT Ok, may way forward was to run Configure in interactive mode: Some kernels have a bug king belongs to king and development groups, venu belongs to venu and development groups. # groups king venu king : king development venu : venu development venu's default group is venu I was blocked because of that. have a peek at these guys Some sites have disabled setuid #!

The other 3 bits have their usual significance. In order to set or to remove the sticky bit, use the following commands: $ chmod +t directory or $ chmod 1754 directory $ chmod -t directory or $ chmod 754 Board index » All times are UTC - 5 hours [ DST ] Schrift Board -- This Board --- This Thread Wie frage ich? The SUID mechanism,invented by Dennis Ritchie,is a potential security hazard.

I have created two user accounts king and venu with same home directory project. Doch leider, leider lässt es suEXEC nicht zu ein CGI mit su-Rechten zu starten. To make such perl scripts work, you need to install the perl-suidperl package. Update: I installed perl-suidperl so now it works.

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 On a CentOS box, you need to install the ‘perl-suidperl' package to get the necessary files installed. 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. PerlMonks lovingly hand-crafted by Tim Vroom.

Do you want to do setuid/setgid emulation? [n] y [download] So are there any switches I can provide to Configure or make to avoid having to use interactive setup ('make -DENABLE_SUIDPERL"TRUE" This is a special file already opened on the script, so that there can be no race condition for evil scripts to exploit. 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 If the SGID is not set the file's group ownership corresponds to the user's default group.

Wordpress themes current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. I changed group ownership of /home/project directory to development. # ls -ld /home/project/ drwxrwxr-x 16 root development 4096 Mar 26 00:22 /home/project/ Now login as king and create a temp file. pearl-man 2005-08-03 10:51 User since2005-07-25 65 Artikel BenutzerIn Genau das ist ja mein Dilemma: SUID-Bit fürs Perl-Script funzt net, doch wenn das Script einem SU gehört und ich Apache mit SuEXEC The St.

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