Bugs item #3603904, was opened at 2013-02-08 18:58 Message generated for change (Settings changed) made by You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=611248&aid=3603904&group_id=95403
Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: None Group: None Status: Open Resolution: None Priority: 5 Private: Yes Submitted By: https://www.google.com/accounts () Assigned to: Nobody/Anonymous (nobody) >Summary: potential encryption-based overflow Initial Comment: Hello, while performing an audit of vde2 (https://bugs.launchpad.net/ubuntu/+source/vde2/+bug/776818) I found a bug; it may even be a security bug. If you decide this is a security issue, please contact the linux-distros security list to coordinate a release and request a CVE number. (See http://oss-security.openwall.org/wiki/mailing-lists/distros for details on using the linux-distros list. Note especially that [vs] is required in the Subject: header.) data_encypt() encrypts the data from the src buffer and places it in the dst buffer. The OpenSSL documentation is clear that the destination buffer needs to be large enough to handle (inl + cipher_block_size - 1) bytes of output, however data_encrypt() and send_udp() do not enforce that the destination buffer is the necessary size larger than the source buffer. If this constraint is somehow enforced by coding convention, please annotate that convention at the call site and data declaration sites. Thanks ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=611248&aid=3603904&group_id=95403 ------------------------------------------------------------------------------ Free Next-Gen Firewall Hardware Offer Buy your Sophos next-gen firewall before the end March 2013 and get the hardware for free! Learn more. http://p.sf.net/sfu/sophos-d2d-feb _______________________________________________ vde-users mailing list vde-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/vde-users
