From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Sven Eckelmann Date: Wed, 05 Sep 2018 18:06:24 +0200 Message-ID: <6769424.zgFbfVuIz9@sven-edge> In-Reply-To: <20180831130844.5434-1-sven@narfation.org> References: <20180831130844.5434-1-sven@narfation.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart6246751.Rcxx1L4ber"; micalg="pgp-sha512"; protocol="application/pgp-signature" Subject: Re: [B.A.T.M.A.N.] [PATCH maint] batman-adv: Avoid probe ELP information leak List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: b.a.t.m.a.n@lists.open-mesh.org --nextPart6246751.Rcxx1L4ber Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" On Freitag, 31. August 2018 15:08:44 CEST Sven Eckelmann wrote: > The probe ELPs for WiFi interfaces are expanded to contain at least > BATADV_ELP_MIN_PROBE_SIZE bytes. This is usually a lot more than the > number of bytes which the template ELP packet requires. > > These extra padding bytes were not initialized and thus could contain data > which were previously stored at the same location. It is therefore required > to set it to some predefined or random values to avoid leaking private > information from the system transmitting these kind of packets. Added as 6c876e572f59 [1] Kind regards, Sven [1] https://git.open-mesh.org/batman-adv.git/commit/6c876e572f592c31132a55b5fb8427e168e5fb3c --nextPart6246751.Rcxx1L4ber Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEF10rh2Elc9zjMuACXYcKB8Eme0YFAluP/wAACgkQXYcKB8Em e0bysRAA1XMX8l+xkBMMgZBzrX2VPYiG1a/QNhv3j/+XPOMxgdh/3UzjsSL+eFL6 y832jyY+gt2eyLo5UtqsHA+h6PvSeAd7bndLzJf406tf/8OWWw3iyn9p7jq1Cf+1 x5q7dbFQ851Gb22+nkmSV/acsFTBEpqY+ZRzTON2wFvlkDNyX+thur6MSjMxKhT2 cTmic4tJk8qaOxR2x6OmFD99Ewd+nqeyR19EalvfZmKCubE3j4DReKUDrGKpuZbG waWdL+Fk38GevvlKmSpqPrSaGwXr8YlQAWZjHU5VhfI6OQY/hiu7Q/NpRCaHyoG8 02TZxdObMGt904WlXuiouhfRoh40Wktr+AvG9E8ouezynWNS/CcNtv5BhAhGfIaQ kD1JJthIZqGfaHvKokbaSTpSNy10YVorDgAcT/8/MTUjD/WPPHgXyEnjcULH5Hhw 5IoQNCRgu0Vq5bJ+Tph6Zg9zaGIIZS+o0tT2eEX2bfSF624LOr16XjF6UvNMsXck FKTNKY8tJeNhu7IKG13MD/M4hidvClql3LUDCNPCuqdGAHetCzvK2MGykZYIi4Gn t8QPaj3qUXch+MQUp+xLmNX6yAWeZl2Xg7BDUmzc3I5OPK+maGvzJN/Tba61szBa aJfDcd+7x0q3A0PQMgEhPAFG7Apdh1QagOUflCbxE6Nmxss5Tig= =lpl/ -----END PGP SIGNATURE----- --nextPart6246751.Rcxx1L4ber--