| Brad Bishop | 6e60e8b | 2018-02-01 10:27:11 -0500 | [diff] [blame] | 1 | From 7755e67116e8973ee0e3b22d653df026a84fa01b Mon Sep 17 00:00:00 2001 |
| 2 | From: Chris Liddell <chris.liddell@artifex.com> |
| 3 | Date: Thu, 15 Jun 2017 08:58:31 +0100 |
| 4 | Subject: [PATCH] Bug 698055: bounds check zone pointer in Ins_MDRP |
| 5 | |
| 6 | --- |
| 7 | base/ttinterp.c | 3 ++- |
| 8 | 1 file changed, 2 insertions(+), 1 deletion(-) |
| 9 | |
| 10 | --- end of original header |
| 11 | |
| 12 | CVE: CVE-2017-9726 |
| 13 | |
| 14 | Upstream-Status: Backport [git://git.ghostscript.com/ghostpdl.git] |
| 15 | |
| 16 | Signed-off-by: Joe Slater <joe.slater@windriver.com> |
| 17 | diff --git a/base/ttinterp.c b/base/ttinterp.c |
| 18 | index e7c9d68..af457e8 100644 |
| 19 | --- a/base/ttinterp.c |
| 20 | +++ b/base/ttinterp.c |
| 21 | @@ -3770,7 +3770,8 @@ static int nInstrCount=0; |
| 22 | |
| 23 | point = (Int)args[0]; |
| 24 | |
| 25 | - if ( BOUNDS( args[0], CUR.zp1.n_points ) ) |
| 26 | + if ( BOUNDS( args[0], CUR.zp1.n_points ) || |
| 27 | + BOUNDS( CUR.GS.rp0, CUR.zp0.n_points) ) |
| 28 | { |
| 29 | /* Current version of FreeType silently ignores this out of bounds error |
| 30 | * and drops the instruction, see bug #691121 |
| 31 | -- |
| 32 | 1.7.9.5 |
| 33 | |