diff options
Diffstat (limited to 'main/ghostscript/CVE-2017-8291.patch')
-rw-r--r-- | main/ghostscript/CVE-2017-8291.patch | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/main/ghostscript/CVE-2017-8291.patch b/main/ghostscript/CVE-2017-8291.patch deleted file mode 100644 index ab105e9651..0000000000 --- a/main/ghostscript/CVE-2017-8291.patch +++ /dev/null @@ -1,61 +0,0 @@ -From 04b37bbce174eed24edec7ad5b920eb93db4d47d Mon Sep 17 00:00:00 2001 -From: Chris Liddell <chris.liddell@artifex.com> -Date: Thu, 27 Apr 2017 13:21:31 +0100 -Subject: [PATCH] Bug 697799: have .rsdparams check its parameters - -The Ghostscript internal operator .rsdparams wasn't checking the number or -type of the operands it was being passed. Do so. ---- - psi/zfrsd.c | 22 +++++++++++++++------- - 1 file changed, 15 insertions(+), 7 deletions(-) - -diff --git a/psi/zfrsd.c b/psi/zfrsd.c -index 191107d..950588d 100644 ---- a/psi/zfrsd.c -+++ b/psi/zfrsd.c -@@ -49,13 +49,20 @@ zrsdparams(i_ctx_t *i_ctx_p) - ref *pFilter; - ref *pDecodeParms; - int Intent = 0; -- bool AsyncRead; -+ bool AsyncRead = false; - ref empty_array, filter1_array, parms1_array; - uint i; -- int code; -+ int code = 0; -+ -+ if (ref_stack_count(&o_stack) < 1) -+ return_error(gs_error_stackunderflow); -+ if (!r_has_type(op, t_dictionary) && !r_has_type(op, t_null)) { -+ return_error(gs_error_typecheck); -+ } - - make_empty_array(&empty_array, a_readonly); -- if (dict_find_string(op, "Filter", &pFilter) > 0) { -+ if (r_has_type(op, t_dictionary) -+ && dict_find_string(op, "Filter", &pFilter) > 0) { - if (!r_is_array(pFilter)) { - if (!r_has_type(pFilter, t_name)) - return_error(gs_error_typecheck); -@@ -94,12 +101,13 @@ zrsdparams(i_ctx_t *i_ctx_p) - return_error(gs_error_typecheck); - } - } -- code = dict_int_param(op, "Intent", 0, 3, 0, &Intent); -+ if (r_has_type(op, t_dictionary)) -+ code = dict_int_param(op, "Intent", 0, 3, 0, &Intent); - if (code < 0 && code != gs_error_rangecheck) /* out-of-range int is ok, use 0 */ - return code; -- if ((code = dict_bool_param(op, "AsyncRead", false, &AsyncRead)) < 0 -- ) -- return code; -+ if (r_has_type(op, t_dictionary)) -+ if ((code = dict_bool_param(op, "AsyncRead", false, &AsyncRead)) < 0) -+ return code; - push(1); - op[-1] = *pFilter; - if (pDecodeParms) --- -2.9.1 - - |