diff options
Diffstat (limited to 'x11-base/xorg-server/files/1.4-0005-Fix-for-CVE-2008-0006-PCF-Font-parser-buffer-overf.patch')
-rw-r--r-- | x11-base/xorg-server/files/1.4-0005-Fix-for-CVE-2008-0006-PCF-Font-parser-buffer-overf.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/x11-base/xorg-server/files/1.4-0005-Fix-for-CVE-2008-0006-PCF-Font-parser-buffer-overf.patch b/x11-base/xorg-server/files/1.4-0005-Fix-for-CVE-2008-0006-PCF-Font-parser-buffer-overf.patch new file mode 100644 index 0000000..bb09eb8 --- /dev/null +++ b/x11-base/xorg-server/files/1.4-0005-Fix-for-CVE-2008-0006-PCF-Font-parser-buffer-overf.patch @@ -0,0 +1,30 @@ +From f09b8007e7f6e60e0b9c9665ec632b578ae08b6f Mon Sep 17 00:00:00 2001 +From: Matthieu Herrb <matthieu@bluenote.herrb.com> +Date: Thu, 17 Jan 2008 15:29:06 +0100 +Subject: [PATCH] Fix for CVE-2008-0006 - PCF Font parser buffer overflow. + +--- + dix/dixfonts.c | 7 +++++++ + 1 files changed, 7 insertions(+), 0 deletions(-) + +diff --git a/dix/dixfonts.c b/dix/dixfonts.c +index c21b3ec..7bb2404 100644 +--- a/dix/dixfonts.c ++++ b/dix/dixfonts.c +@@ -325,6 +325,13 @@ doOpenFont(ClientPtr client, OFclosurePtr c) + 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++; +-- +1.5.3.5 + |