rpms/xorg-x11-server/F-8 cve-2008-0006-server-fixup.patch,NONE,1.1

[Dave Airlie (airlied)]

Author: airlied

Update of /cvs/pkgs/rpms/xorg-x11-server/F-8
In directory cvs-int.fedora.redhat.com:/tmp/cvs-serv31786

Added Files:
	cve-2008-0006-server-fixup.patch 
Log Message:
* Fri Jan 18 2008 Dave Airlie <airlied at redhat.com> 1.3.0.0-38
- cve-2007-5760.patch: XFree86-Misc Extension Invalid Array Index Vulnerability
- cve-2007-5958.patch: Xorg / XFree86 file existence disclosure vulnerability
- cve-2007-6427.patch: XInput Extension Memory Corruption Vulnerability
- cve-2007-6428.patch: TOG-CUP Extension Memory Corruption Vulnerability
- cve-2007-6429.patch: EVI and MIT-SHM Extension Integer Overflow Vulnerability
- cve-2008-0006-server-fixup.patch: PCF Font Vulnerability - this patch isn't strictly required with new version of libXfont.


cve-2008-0006-server-fixup.patch:

--- NEW FILE cve-2008-0006-server-fixup.patch ---
diff -up xorg-x11-6.8.2/xc/programs/Xserver/dix/dixfonts.c.jx xorg-x11-6.8.2/xc/programs/Xserver/dix/dixfonts.c
--- xorg-x11-6.8.2/xc/programs/Xserver/dix/dixfonts.c.jx	2004-04-23 15:04:44.000000000 -0400
+++ xorg-x11-server/dix/dixfonts.c	2008-01-14 11:15:00.000000000 -0500
@@ -339,6 +339,13 @@ doOpenFont(ClientPtr client, OFclosurePt
 	err = BadFontName;
 	goto bail;
     }
+    /* check values for firstCol, lastCol, firstRow, and lastRow */
+    if (pfont->info.firstCol > pfont->info.lastCol ||
+	pfont->info.firstRow > pfont->info.lastRow ||
+	pfont->info.lastCol - pfont->info.firstCol > 255) {
+	err = AllocError;
+	goto bail;
+    }
     if (!pfont->fpe)
 	pfont->fpe = fpe;
     pfont->refcnt++;