40 lines
1.1 KiB
Diff
40 lines
1.1 KiB
Diff
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From afd7188f74918cb51b5fb89f52b54eb16e8acfd1 Mon Sep 17 00:00:00 2001
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From: Chris Liddell <chris.liddell@artifex.com>
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Date: 2023-09-12 10:46:10 +0100
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Subject: [PATCH] In SAFER (default) don't allow eexec seeds other than the Type 1 standard
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Type 1 standard
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---
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psi/zmisc1.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/psi/zmisc1.c b/psi/zmisc1.c
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index 3c47e99..81556ac 100644
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--- a/psi/zmisc1.c
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+++ b/psi/zmisc1.c
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@@ -93,6 +93,9 @@ zexE(i_ctx_t *i_ctx_p)
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if (code < 0)
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return code;
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+ if (gs_is_path_control_active(imemory) != 0 && state.cstate != 55665) {
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+ return_error(gs_error_rangecheck);
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+ }
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return filter_write(i_ctx_p, code, &s_exE_template, (stream_state *)&state, 0);
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}
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@@ -130,6 +133,11 @@ zexD(i_ctx_t *i_ctx_p)
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}
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if (code < 0)
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return code;
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+
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+ if (gs_is_path_control_active(imemory) != 0 && state.cstate != 55665) {
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+ return_error(gs_error_rangecheck);
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+ }
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+
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/*
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* If we're reading a .PFB file, let the filter know about it,
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* so it can read recklessly to the end of the binary section.
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--
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2.43.0
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