From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: Justin Forbes <jmforbes@linuxtx.org>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
"Theodore Ts'o" <tytso@mit.edu>,
Randy Dunlap <rdunlap@xenotime.net>,
Dave Jones <davej@redhat.com>,
Chuck Wolber <chuckw@quantumlinux.com>,
torvalds@osdl.org, akpm@osdl.org, alan@lxorguk.ukuu.org.uk,
kaber@trash.net
Subject: [patch 5/6] [NETFILTER]: Fix crash in ip_nat_pptp (CVE-2006-0036)
Date: Fri, 27 Jan 2006 18:18:31 -0800 [thread overview]
Message-ID: <20060128021831.GF10362@kroah.com> (raw)
In-Reply-To: <20060128021749.GA10362@kroah.com>
[-- Attachment #1: netfilter-fix-crash-in-ip_nat_pptp.patch --]
[-- Type: text/plain, Size: 1004 bytes --]
-stable review patch. If anyone has any objections, please let us know.
------------------
From: Patrick McHardy <kaber@trash.net>
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>
---
net/ipv4/netfilter/ip_nat_helper_pptp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.14.6.orig/net/ipv4/netfilter/ip_nat_helper_pptp.c
+++ linux-2.6.14.6/net/ipv4/netfilter/ip_nat_helper_pptp.c
@@ -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;
--
next prev parent reply other threads:[~2006-01-28 2:19 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060128015840.722214000@press.kroah.org>
2006-01-28 2:17 ` [patch 0/6] 2.6.14.7 -stable review Greg KH
2006-01-28 2:18 ` [patch 1/6] setting irq affinity is broken in ia32 with MSI enabled Greg KH
2006-01-28 2:18 ` [patch 2/6] [EBTABLES] Don't match tcp/udp source/destination port for IP fragments Greg KH
2006-01-28 2:18 ` [patch 3/6] [SPARC64]: Fix ptrace/strace Greg KH
2006-01-28 2:18 ` [patch 4/6] [SPARC64]: Fix sys_fstat64() entry in 64-bit syscall table Greg KH
2006-01-28 2:18 ` Greg KH [this message]
2006-01-28 2:18 ` [patch 6/6] [NETFILTER]: Fix another crash in ip_nat_pptp (CVE-2006-0037) Greg KH
2006-02-08 12:35 ` Holger Eitzenberger
2006-02-10 4:47 ` [stable] " Greg KH
2006-02-10 4:57 ` Andrew Morton
2006-02-10 5:08 ` Greg KH
2006-02-10 8:07 ` Harald Welte
2006-01-29 4:30 ` [patch 0/6] 2.6.14.7 -stable review Chuck Wolber
2006-01-29 4:43 ` Justin M. Forbes
2006-01-29 4:52 ` Chuck Wolber
2006-01-29 4:57 ` Randy.Dunlap
2006-01-29 5:34 ` Greg KH
2006-01-29 6:09 ` Willy Tarreau
2006-01-29 7:36 ` Chuck Wolber
2006-01-29 7:11 ` Chuck Wolber
2006-01-29 7:58 ` Chuck Wolber
2006-01-29 4:45 ` Randy.Dunlap
2006-01-29 5:02 ` Chuck Wolber
2006-01-29 6:17 ` Willy Tarreau
2006-01-29 7:43 ` Chuck Wolber
2006-01-31 15:05 ` Krzysztof Halasa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20060128021831.GF10362@kroah.com \
--to=gregkh@suse.de \
--cc=akpm@osdl.org \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=chuckw@quantumlinux.com \
--cc=davej@redhat.com \
--cc=jmforbes@linuxtx.org \
--cc=kaber@trash.net \
--cc=linux-kernel@vger.kernel.org \
--cc=rdunlap@xenotime.net \
--cc=stable@kernel.org \
--cc=torvalds@osdl.org \
--cc=tytso@mit.edu \
--cc=zwane@arm.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox