TWxSoftware/twx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[PATCH] Fix crash in ip_nat_pptp (CVE-2006-0036)

Browse Source 
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: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Patrick McHardy
2006-01-10 02:00:07 +01:00
committed by Greg Kroah-Hartman
parent 7d5e09f7dc
commit 9880429533
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/ipv4/netfilter/ip_nat_helper_pptp.c
+1 -1
View File
@@ -313,7 +313,7 @@ pptp_inbound_pkt(struct sk_buff **pskb,
break;
case PPTP_IN_CALL_REQUEST:
/* only need to nat in case PAC is behind NAT box */
break;
return NF_ACCEPT;
case PPTP_WAN_ERROR_NOTIFY:
pcid = &pptpReq->wanerr.peersCallID;
break;