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-rw-r--r--gnu/packages/patches/libx11-CVE-2016-7942.patch76
1 files changed, 0 insertions, 76 deletions
diff --git a/gnu/packages/patches/libx11-CVE-2016-7942.patch b/gnu/packages/patches/libx11-CVE-2016-7942.patch
deleted file mode 100644
index 75770235ef..0000000000
--- a/gnu/packages/patches/libx11-CVE-2016-7942.patch
+++ /dev/null
@@ -1,76 +0,0 @@
-Fix CVE-2016-7942:
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7942
-
-Patch copied from upstream source repository:
-
-https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8ea762f94f4c942d898fdeb590a1630c83235c17
-
-From 8ea762f94f4c942d898fdeb590a1630c83235c17 Mon Sep 17 00:00:00 2001
-From: Tobias Stoeckmann <tobias@stoeckmann.org>
-Date: Sun, 25 Sep 2016 21:25:25 +0200
-Subject: [PATCH] Validation of server responses in XGetImage()
-
-Check if enough bytes were received for specified image type and
-geometry. Otherwise GetPixel and other functions could trigger an
-out of boundary read later on.
-
-Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
-Reviewed-by: Matthieu Herrb <matthieu@herrb.eu>
----
- src/GetImage.c | 29 ++++++++++++++++++++---------
- 1 file changed, 20 insertions(+), 9 deletions(-)
-
-diff --git a/src/GetImage.c b/src/GetImage.c
-index c461abc..ff32d58 100644
---- a/src/GetImage.c
-+++ b/src/GetImage.c
-@@ -59,6 +59,7 @@ XImage *XGetImage (
- char *data;
- unsigned long nbytes;
- XImage *image;
-+ int planes;
- LockDisplay(dpy);
- GetReq (GetImage, req);
- /*
-@@ -91,18 +92,28 @@ XImage *XGetImage (
- return (XImage *) NULL;
- }
- _XReadPad (dpy, data, nbytes);
-- if (format == XYPixmap)
-- image = XCreateImage(dpy, _XVIDtoVisual(dpy, rep.visual),
-- Ones (plane_mask &
-- (((unsigned long)0xFFFFFFFF) >> (32 - rep.depth))),
-- format, 0, data, width, height, dpy->bitmap_pad, 0);
-- else /* format == ZPixmap */
-- image = XCreateImage (dpy, _XVIDtoVisual(dpy, rep.visual),
-- rep.depth, ZPixmap, 0, data, width, height,
-- _XGetScanlinePad(dpy, (int) rep.depth), 0);
-+ if (format == XYPixmap) {
-+ image = XCreateImage(dpy, _XVIDtoVisual(dpy, rep.visual),
-+ Ones (plane_mask &
-+ (((unsigned long)0xFFFFFFFF) >> (32 - rep.depth))),
-+ format, 0, data, width, height, dpy->bitmap_pad, 0);
-+ planes = image->depth;
-+ } else { /* format == ZPixmap */
-+ image = XCreateImage (dpy, _XVIDtoVisual(dpy, rep.visual),
-+ rep.depth, ZPixmap, 0, data, width, height,
-+ _XGetScanlinePad(dpy, (int) rep.depth), 0);
-+ planes = 1;
-+ }
-
- if (!image)
- Xfree(data);
-+ if (planes < 1 || image->height < 1 || image->bytes_per_line < 1 ||
-+ INT_MAX / image->height <= image->bytes_per_line ||
-+ INT_MAX / planes <= image->height * image->bytes_per_line ||
-+ nbytes < planes * image->height * image->bytes_per_line) {
-+ XDestroyImage(image);
-+ image = NULL;
-+ }
- UnlockDisplay(dpy);
- SyncHandle();
- return (image);
---
-2.10.1
-