29 Apr
2016
29 Apr
'16
8:52 p.m.
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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/osmo-trx/commit/?id=68475102023be985d45698acb81b888…
commit 68475102023be985d45698acb81b888f78db8728
Author: Tom Tsou <tom.tsou(a)ettus.com>
Date: Thu Apr 28 21:55:17 2016 -0700
common: Add mandatory length field to UDP receive calls
Current UDP receive reads up to MAX_UDP_LENGTH bytes into the
passed in buffer, which may lead to buffer overflow if the
write buffer is of insufficient size.
Add mandatory length argument to UDP socket receive calls.
Signed-off-by: Tom Tsou <tom.tsou(a)ettus.com>
http://cgit.osmocom.org/osmo-trx/commit/?id=7b9ac673752d8831a785bfc1af00293…
commit 7b9ac673752d8831a785bfc1af0029389f4814bf
Author: Tom Tsou <tom.tsou(a)ettus.com>
Date: Thu Apr 28 21:24:53 2016 -0700
common: Restrict UDP binding to localhost only
Reported security vulnerability where control and data UDP
packets can be injected into the transceiver externally due
to socket binding to all interfaces using INADDR_ANY.
Existing socket interface does not allow specifying local
address; only the local port and remote address/port are
arguments.
Restrict socket bind to localhost with INADDR_LOOPBACK. If
external interfaces do need to be used, the API should be
modified to allow specifying the local socket address.
Signed-off-by: Tom Tsou <tom.tsou(a)ettus.com>
-----------------------------------------------------------------------
Summary of changes:
Transceiver52M/Transceiver.cpp | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
hooks/post-receive
--
OpenBTS' transceiver retro-fit