USN-94-1: Perl vulnerability

9 March 2005

Perl vulnerability

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Releases

Details

Paul Szabo discovered another vulnerability in the rmtree() function
in File::Path.pm. While a process running as root (or another user)
was busy deleting a directory tree, a different user could exploit a
race condition to create setuid binaries in this directory tree,
provided that he already had write permissions in any subdirectory of
that tree.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 4.10
  • perl-modules -

In general, a standard system update will make all the necessary changes.

References

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Further reading