/ 
Archive-Tar-2.26
/ ptardiff
Security Advisories (1)
CVE-2018-12015 (2018-06-12)

In Perl through 5.26.2, the Archive::Tar module allows remote attackers to bypass a directory-traversal protection mechanism, and overwrite arbitrary files, via an archive file containing a symlink and a regular file with the same name.

NAME

ptardiff - program that diffs an extracted archive against an unextracted one

DESCRIPTION

ptardiff is a small program that diffs an extracted archive
against an unextracted one, using the perl module Archive::Tar.

This effectively lets you view changes made to an archives contents.

Provide the progam with an ARCHIVE_FILE and it will look up all
the files with in the archive, scan the current working directory
for a file with the name and diff it against the contents of the
archive.

SYNOPSIS

ptardiff ARCHIVE_FILE
ptardiff -h

$ tar -xzf Acme-Buffy-1.3.tar.gz
$ vi Acme-Buffy-1.3/README
[...]
$ ptardiff Acme-Buffy-1.3.tar.gz > README.patch

OPTIONS

h   Prints this help message

SEE ALSO

tar(1), Archive::Tar.