| From 53f0cb4c54ac951697704cb87d24154ae08aecce Mon Sep 17 00:00:00 2001 |
| From: Chris Liddell <chris.liddell@artifex.com> |
| Date: Wed, 20 Feb 2019 09:54:28 +0000 |
| Subject: [PATCH] Bug 700576: Make a transient proc executeonly (in |
| DefineResource). |
| |
| This prevents access to .forceput |
| |
| Solution originally suggested by cbuissar@redhat.com. |
| |
| CVE: CVE-2019-3838 |
| Upstream-Status: Backport [git://git.ghostscript.com/ghostpdl.git] |
| |
| Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com> |
| --- |
| Resource/Init/gs_res.ps | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/Resource/Init/gs_res.ps b/Resource/Init/gs_res.ps |
| index 89c0ed6..a163541 100644 |
| --- a/Resource/Init/gs_res.ps |
| +++ b/Resource/Init/gs_res.ps |
| @@ -426,7 +426,7 @@ status { |
| % so we have to use .forceput here. |
| currentdict /.Instances 2 index .forceput % Category dict is read-only |
| } executeonly if |
| - } |
| + } executeonly |
| { .LocalInstances dup //.emptydict eq |
| { pop 3 dict localinstancedict Category 2 index put |
| } |
| -- |
| 2.18.1 |
| |