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My machine runs a patched version of Sudo version 1.8.21p2 and I need to also have the unpatched version.

After getting the code from Github (the unpatched one), running ./configure, and then make I stop short of make install because I want both version to co-exist.

Problem is:

$ sudoup --version
sudoup: error while loading shared libraries: libsudo_util.so.0: cannot open shared object file: No such file or directory

Setting $LD_LIBRARY_PATH is also futile as sudo/sudoup just reset library paths.

How am I supposed to run this?

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    You can't use $LD_LIBRARY_PATH with setuid applications (otherwise it would be a huge security hole). You might be able to put one (and its libraries) under /usr/local/{lib,etc,bin} but you're probably safer trying to avoid having two distinct versions of the same security software
    – roaima
    Aug 16, 2021 at 13:23
  • It's literally the same version, why is it not loading the original sudo's lib?
    – d9ngle
    Aug 16, 2021 at 13:25
  • If it's the same version why do you need two separate instances?
    – roaima
    Aug 16, 2021 at 13:26
  • one is patched by distributor, the other is not. ubuntu.com/security/notices/USN-4705-1
    – d9ngle
    Aug 16, 2021 at 13:28
  • I can see why you want to apply to the security update, but unless it's for a pentest exercise I'm struggling to see why you'd want the unpatched edtition anywhere near your system
    – roaima
    Aug 16, 2021 at 13:40

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