diff options
Diffstat (limited to 'meta/recipes-extended/ghostscript/ghostscript/CVE-2019-3835-0004.patch')
| -rw-r--r-- | meta/recipes-extended/ghostscript/ghostscript/CVE-2019-3835-0004.patch | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/meta/recipes-extended/ghostscript/ghostscript/CVE-2019-3835-0004.patch b/meta/recipes-extended/ghostscript/ghostscript/CVE-2019-3835-0004.patch deleted file mode 100644 index 5228cace24..0000000000 --- a/meta/recipes-extended/ghostscript/ghostscript/CVE-2019-3835-0004.patch +++ /dev/null @@ -1,167 +0,0 @@ -From 5845e667dda3c945ee793fbe6af021533cb4fbec Mon Sep 17 00:00:00 2001 -From: Ray Johnston <ray.johnston@artifex.com> -Date: Sun, 24 Feb 2019 22:01:04 -0800 -Subject: [PATCH] Bug 700585: Obliterate "superexec". We don't need it, nor - do any known apps. - -We were under the impression that the Windows driver 'PScript5.dll' used -superexec, but after testing with our extensive suite of PostScript file, -and analysis of the PScript5 "Adobe CoolType ProcSet, it does not appear -that this operator is needed anymore. Get rid of superexec and all of the -references to it, since it is a potential security hole. - -CVE: CVE-2019-3835 -Upstream-Status: Backport [git://git.ghostscript.com/ghostpdl.git] - -Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com> ---- - Resource/Init/gs_init.ps | 18 ------------------ - psi/icontext.c | 1 - - psi/icstate.h | 1 - - psi/zcontrol.c | 30 ------------------------------ - psi/zdict.c | 6 ++---- - psi/zgeneric.c | 3 +-- - 6 files changed, 3 insertions(+), 56 deletions(-) - -diff --git a/Resource/Init/gs_init.ps b/Resource/Init/gs_init.ps -index 0d5c4f7..c5ac82a 100644 ---- a/Resource/Init/gs_init.ps -+++ b/Resource/Init/gs_init.ps -@@ -2470,24 +2470,6 @@ DELAYBIND not { - systemdict /.forceundef .undef % ditto - } if - --% Move superexec to internaldict if superexec is defined. (Level 2 or later) --systemdict /superexec known { -- % restrict superexec to single known use by PScript5.dll -- % We could do this only for SAFER mode, but internaldict and superexec are -- % not very well documented, and we don't want them to be used. -- 1183615869 internaldict /superexec { -- 2 index /Private eq % first check for typical use in PScript5.dll -- 1 index length 1 eq and % expected usage is: dict /Private <value> {put} superexec -- 1 index 0 get systemdict /put get eq and -- { -- //superexec exec % the only usage we allow -- } { -- /superexec load /invalidaccess signalerror -- } ifelse -- } bind cvx executeonly put -- systemdict /superexec .undef % get rid of the dangerous (unrestricted) operator --} if -- - % Can't remove this one until the last minute :-) - DELAYBIND not { - systemdict /.undef .undef -diff --git a/psi/icontext.c b/psi/icontext.c -index 1fbe486..7462ea3 100644 ---- a/psi/icontext.c -+++ b/psi/icontext.c -@@ -151,7 +151,6 @@ context_state_alloc(gs_context_state_t ** ppcst, - pcst->rand_state = rand_state_initial; - pcst->usertime_total = 0; - pcst->keep_usertime = false; -- pcst->in_superexec = 0; - pcst->plugin_list = 0; - make_t(&pcst->error_object, t__invalid); - { /* -diff --git a/psi/icstate.h b/psi/icstate.h -index 4c6a14d..1009d85 100644 ---- a/psi/icstate.h -+++ b/psi/icstate.h -@@ -54,7 +54,6 @@ struct gs_context_state_s { - long usertime_total; /* total accumulated usertime, */ - /* not counting current time if running */ - bool keep_usertime; /* true if context ever executed usertime */ -- int in_superexec; /* # of levels of superexec */ - /* View clipping is handled in the graphics state. */ - ref error_object; /* t__invalid or error object from operator */ - ref userparams; /* t_dictionary */ -diff --git a/psi/zcontrol.c b/psi/zcontrol.c -index 0362cf4..dc813e8 100644 ---- a/psi/zcontrol.c -+++ b/psi/zcontrol.c -@@ -158,34 +158,6 @@ zexecn(i_ctx_t *i_ctx_p) - return o_push_estack; - } - --/* <obj> superexec - */ --static int end_superexec(i_ctx_t *); --static int --zsuperexec(i_ctx_t *i_ctx_p) --{ -- os_ptr op = osp; -- es_ptr ep; -- -- check_op(1); -- if (!r_has_attr(op, a_executable)) -- return 0; /* literal object just gets pushed back */ -- check_estack(2); -- ep = esp += 3; -- make_mark_estack(ep - 2, es_other, end_superexec); /* error case */ -- make_op_estack(ep - 1, end_superexec); /* normal case */ -- ref_assign(ep, op); -- esfile_check_cache(); -- pop(1); -- i_ctx_p->in_superexec++; -- return o_push_estack; --} --static int --end_superexec(i_ctx_t *i_ctx_p) --{ -- i_ctx_p->in_superexec--; -- return 0; --} -- - /* <array> <executable> .runandhide <obj> */ - /* before executing <executable>, <array> is been removed from */ - /* the operand stack and placed on the execstack with attributes */ -@@ -971,8 +943,6 @@ const op_def zcontrol3_op_defs[] = { - {"0%loop_continue", loop_continue}, - {"0%repeat_continue", repeat_continue}, - {"0%stopped_push", stopped_push}, -- {"1superexec", zsuperexec}, -- {"0%end_superexec", end_superexec}, - {"2.runandhide", zrunandhide}, - {"0%end_runandhide", end_runandhide}, - op_def_end(0) -diff --git a/psi/zdict.c b/psi/zdict.c -index b0deaaa..e2e525d 100644 ---- a/psi/zdict.c -+++ b/psi/zdict.c -@@ -212,8 +212,7 @@ zundef(i_ctx_t *i_ctx_p) - int code; - - check_type(*op1, t_dictionary); -- if (i_ctx_p->in_superexec == 0) -- check_dict_write(*op1); -+ check_dict_write(*op1); - code = idict_undef(op1, op); - if (code < 0 && code != gs_error_undefined) /* ignore undefined error */ - return code; -@@ -504,8 +503,7 @@ zsetmaxlength(i_ctx_t *i_ctx_p) - int code; - - check_type(*op1, t_dictionary); -- if (i_ctx_p->in_superexec == 0) -- check_dict_write(*op1); -+ check_dict_write(*op1); - check_type(*op, t_integer); - if (op->value.intval < 0) - return_error(gs_error_rangecheck); -diff --git a/psi/zgeneric.c b/psi/zgeneric.c -index 8048e28..d4edddb 100644 ---- a/psi/zgeneric.c -+++ b/psi/zgeneric.c -@@ -204,8 +204,7 @@ zput(i_ctx_t *i_ctx_p) - - switch (r_type(op2)) { - case t_dictionary: -- if (i_ctx_p->in_superexec == 0) -- check_dict_write(*op2); -+ check_dict_write(*op2); - { - int code = idict_put(op2, op1, op); - --- -2.18.1 - |