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authorAlan Coopersmith <alan.coopersmith@oracle.com>2014-01-26 19:23:17 -0800
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-14 16:14:32 +0100
commit2abde565df5de98800cec428fe612cb979063c02 (patch)
treee1c3dcf5013ffac1dec265f36df79c1ac360b2d6 /nx-X11
parent0d53194f7ef5980a7cd78950a4f3eb2b56e65746 (diff)
downloadnx-libs-2abde565df5de98800cec428fe612cb979063c02.tar.gz
nx-libs-2abde565df5de98800cec428fe612cb979063c02.tar.bz2
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Xv: unvalidated lengths in XVideo extension swapped procs [CVE-2014-8099]
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> Conflicts: Xext/xvdisp.c
Diffstat (limited to 'nx-X11')
-rw-r--r--nx-X11/programs/Xserver/Xext/xvdisp.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/Xext/xvdisp.c b/nx-X11/programs/Xserver/Xext/xvdisp.c
index 21ab0b6a0..b361c0ff3 100644
--- a/nx-X11/programs/Xserver/Xext/xvdisp.c
+++ b/nx-X11/programs/Xserver/Xext/xvdisp.c
@@ -1347,6 +1347,7 @@ SProcXvQueryExtension(ClientPtr client)
{
register char n;
REQUEST(xvQueryExtensionReq);
+ REQUEST_SIZE_MATCH(xvQueryExtensionReq);
swaps(&stuff->length, n);
return ProcXvQueryExtension(client);
}
@@ -1356,6 +1357,7 @@ SProcXvQueryAdaptors(ClientPtr client)
{
register char n;
REQUEST(xvQueryAdaptorsReq);
+ REQUEST_SIZE_MATCH(xvQueryAdaptorsReq);
swaps(&stuff->length, n);
swapl(&stuff->window, n);
return ProcXvQueryAdaptors(client);
@@ -1366,6 +1368,7 @@ SProcXvQueryEncodings(ClientPtr client)
{
register char n;
REQUEST(xvQueryEncodingsReq);
+ REQUEST_SIZE_MATCH(xvQueryEncodingsReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
return ProcXvQueryEncodings(client);
@@ -1376,6 +1379,7 @@ SProcXvGrabPort(ClientPtr client)
{
register char n;
REQUEST(xvGrabPortReq);
+ REQUEST_SIZE_MATCH(xvGrabPortReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swapl(&stuff->time, n);
@@ -1387,6 +1391,7 @@ SProcXvUngrabPort(ClientPtr client)
{
register char n;
REQUEST(xvUngrabPortReq);
+ REQUEST_SIZE_MATCH(xvUngrabPortReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swapl(&stuff->time, n);
@@ -1398,6 +1403,7 @@ SProcXvPutVideo(ClientPtr client)
{
register char n;
REQUEST(xvPutVideoReq);
+ REQUEST_SIZE_MATCH(xvPutVideoReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swapl(&stuff->drawable, n);
@@ -1418,6 +1424,7 @@ SProcXvPutStill(ClientPtr client)
{
register char n;
REQUEST(xvPutStillReq);
+ REQUEST_SIZE_MATCH(xvPutStillReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swapl(&stuff->drawable, n);
@@ -1438,6 +1445,7 @@ SProcXvGetVideo(ClientPtr client)
{
register char n;
REQUEST(xvGetVideoReq);
+ REQUEST_SIZE_MATCH(xvGetVideoReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swapl(&stuff->drawable, n);
@@ -1458,6 +1466,7 @@ SProcXvGetStill(ClientPtr client)
{
register char n;
REQUEST(xvGetStillReq);
+ REQUEST_SIZE_MATCH(xvGetStillReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swapl(&stuff->drawable, n);
@@ -1478,6 +1487,7 @@ SProcXvPutImage(ClientPtr client)
{
register char n;
REQUEST(xvPutImageReq);
+ REQUEST_AT_LEAST_SIZE(xvPutImageReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swapl(&stuff->drawable, n);
@@ -1502,6 +1512,7 @@ SProcXvShmPutImage(ClientPtr client)
{
register char n;
REQUEST(xvShmPutImageReq);
+ REQUEST_SIZE_MATCH(xvShmPutImageReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swapl(&stuff->drawable, n);
@@ -1529,6 +1540,7 @@ SProcXvSelectVideoNotify(ClientPtr client)
{
register char n;
REQUEST(xvSelectVideoNotifyReq);
+ REQUEST_SIZE_MATCH(xvSelectVideoNotifyReq);
swaps(&stuff->length, n);
swapl(&stuff->drawable, n);
return ProcXvSelectVideoNotify(client);
@@ -1539,6 +1551,7 @@ SProcXvSelectPortNotify(ClientPtr client)
{
register char n;
REQUEST(xvSelectPortNotifyReq);
+ REQUEST_SIZE_MATCH(xvSelectPortNotifyReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
return ProcXvSelectPortNotify(client);
@@ -1549,6 +1562,7 @@ SProcXvStopVideo(ClientPtr client)
{
register char n;
REQUEST(xvStopVideoReq);
+ REQUEST_SIZE_MATCH(xvStopVideoReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swapl(&stuff->drawable, n);
@@ -1560,6 +1574,7 @@ SProcXvSetPortAttribute(ClientPtr client)
{
register char n;
REQUEST(xvSetPortAttributeReq);
+ REQUEST_SIZE_MATCH(xvSetPortAttributeReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swapl(&stuff->attribute, n);
@@ -1571,6 +1586,7 @@ SProcXvGetPortAttribute(ClientPtr client)
{
register char n;
REQUEST(xvGetPortAttributeReq);
+ REQUEST_SIZE_MATCH(xvGetPortAttributeReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swapl(&stuff->attribute, n);
@@ -1582,6 +1598,7 @@ SProcXvQueryBestSize(ClientPtr client)
{
register char n;
REQUEST(xvQueryBestSizeReq);
+ REQUEST_SIZE_MATCH(xvQueryBestSizeReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
swaps(&stuff->vid_w, n);
@@ -1596,6 +1613,7 @@ SProcXvQueryPortAttributes(ClientPtr client)
{
register char n;
REQUEST(xvQueryPortAttributesReq);
+ REQUEST_SIZE_MATCH(xvQueryPortAttributesReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
return ProcXvQueryPortAttributes(client);
@@ -1606,6 +1624,7 @@ SProcXvQueryImageAttributes(ClientPtr client)
{
register char n;
REQUEST(xvQueryImageAttributesReq);
+ REQUEST_SIZE_MATCH(xvQueryImageAttributesReq);
swaps(&stuff->length, n);
swapl(&stuff->id, n);
swaps(&stuff->width, n);
@@ -1618,6 +1637,7 @@ SProcXvListImageFormats(ClientPtr client)
{
register char n;
REQUEST(xvListImageFormatsReq);
+ REQUEST_SIZE_MATCH(xvListImageFormatsReq);
swaps(&stuff->length, n);
swapl(&stuff->port, n);
return ProcXvListImageFormats(client);