[NETFILTER]: Fix crash in ip_nat_pptp

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When an inbound PPTP_IN_CALL_REQUEST packet is received the
PPTP NAT helper uses a NULL pointer in pointer arithmentic to
calculate the offset in the packet which needs to be mangled
and corrupts random memory or crashes.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Patrick McHardy 2006-01-09 16:43:43 -08:00 • committed by David S. Miller

parent bb94aa169e

commit 15db34702c

1 changed files with 1 additions and 1 deletions

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net/ipv4/netfilter/ip_nat_helper_pptp.c

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