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From cea44678dd6a9418460ead314fb2106924b081f7 Mon Sep 17 00:00:00 2001
From: Alan Coopersmith <alan.coopersmith@oracle.com>
Date: Sun, 26 Jan 2014 19:38:09 -0800
Subject: [PATCH 30/40] randr: unvalidated lengths in RandR extension swapped
procs [CVE-2014-8101]
v2: backport to nx-libs 3.6.x (Mike DePaulo)
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
---
nx-X11/programs/Xserver/randr/rrsdispatch.c | 3 +++
1 file changed, 3 insertions(+)
--- a/nx-X11/programs/Xserver/randr/rrsdispatch.c
+++ b/nx-X11/programs/Xserver/randr/rrsdispatch.c
@@ -28,6 +28,7 @@ SProcRRQueryVersion (ClientPtr client)
register int n;
REQUEST(xRRQueryVersionReq);
+ REQUEST_SIZE_MATCH(xRRQueryVersionReq);
swaps(&stuff->length, n);
swapl(&stuff->majorVersion, n);
swapl(&stuff->minorVersion, n);
@@ -40,6 +41,7 @@ SProcRRGetScreenInfo (ClientPtr client)
register int n;
REQUEST(xRRGetScreenInfoReq);
+ REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
swaps(&stuff->length, n);
swapl(&stuff->window, n);
return (*ProcRandrVector[stuff->randrReqType]) (client);
@@ -75,6 +77,7 @@ SProcRRSelectInput (ClientPtr client)
register int n;
REQUEST(xRRSelectInputReq);
+ REQUEST_SIZE_MATCH(xRRSelectInputReq);
swaps(&stuff->length, n);
swapl(&stuff->window, n);
swaps(&stuff->enable, n);
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