Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Wed, 21 Oct 2015 10:36:33 -0500
From: Tyler Hicks <>
Cc:, Denys Vlasenko <>
Subject: CVE Request: BusyBox tar directory traversal

Hello - The BusyBox implementation of tar will extract a symlink that
points outside of the current working directory and then follow that
symlink when extracting other files. This allows for a directory
traversal attack when extracting untrusted tarballs.

This behavior was documented in the BusyBox source with the following
2011 commit:

I've created an upstream bug report:

Can we get a CVE assigned to track this? Thanks!


Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)

Powered by blists - more mailing lists

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.