| Brad Bishop | 6e60e8b | 2018-02-01 10:27:11 -0500 | [diff] [blame] | 1 | From c7c55972758a93350882c32147801a3485b010fe Mon Sep 17 00:00:00 2001 |
| 2 | From: Chris Liddell <chris.liddell@artifex.com> |
| 3 | Date: Mon, 12 Jun 2017 13:08:40 +0100 |
| 4 | Subject: [PATCH] Bug 698024: bounds check zone pointer in Ins_MIRP() |
| 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-2017-9611 |
| 13 | |
| 14 | Upstream-Status: Backport [git://git.ghostscript.com/ghostpdl.git] |
| 15 | |
| 16 | Signed-off-by: Joe Slater <joe.slater@windriver.com> |
| 17 | |
| 18 | diff --git a/base/ttinterp.c b/base/ttinterp.c |
| 19 | index e56aec6..f6a6d95 100644 |
| 20 | --- a/base/ttinterp.c |
| 21 | +++ b/base/ttinterp.c |
| 22 | @@ -3858,7 +3858,8 @@ static int nInstrCount=0; |
| 23 | /* XXX: UNDOCUMENTED! cvt[-1] = 0 always */ |
| 24 | |
| 25 | if ( BOUNDS( args[0], CUR.zp1.n_points ) || |
| 26 | - BOUNDS( args[1]+1, CUR.cvtSize+1 ) ) |
| 27 | + BOUNDS( args[1]+1, CUR.cvtSize+1 ) || |
| 28 | + BOUNDS(CUR.GS.rp0, CUR.zp0.n_points) ) |
| 29 | { |
| 30 | CUR.error = TT_Err_Invalid_Reference; |
| 31 | return; |
| 32 | -- |
| 33 | 1.7.9.5 |
| 34 | |