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gtar -- GNUTYPE_NAMES directory traversal vulnerability


Teemu Salmela reports:

There is a tar record type, called GNUTYPE_NAMES (an obsolete GNU extension), that allows the creation of symbolic links pointing to arbitrary locations in the filesystem, which makes it possible to create/overwrite arbitrary files.



portaudit: gtar -- GNUTYPE_NAMES directory traversal vulnerability

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Oliver Eikemeier <>