diff options
Diffstat (limited to 'poky/meta/recipes-extended/ghostscript/ghostscript/CVE-2019-6116-0007.patch')
| -rw-r--r-- | poky/meta/recipes-extended/ghostscript/ghostscript/CVE-2019-6116-0007.patch | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/poky/meta/recipes-extended/ghostscript/ghostscript/CVE-2019-6116-0007.patch b/poky/meta/recipes-extended/ghostscript/ghostscript/CVE-2019-6116-0007.patch deleted file mode 100644 index 5c1f83959..000000000 --- a/poky/meta/recipes-extended/ghostscript/ghostscript/CVE-2019-6116-0007.patch +++ /dev/null @@ -1,346 +0,0 @@ -From 5c49efe24dda0f2dbd2a09b9159e683cce99b6d8 Mon Sep 17 00:00:00 2001 -From: Chris Liddell <chris.liddell@artifex.com> -Date: Fri, 11 Jan 2019 13:36:36 +0000 -Subject: [PATCH 7/7] Remove .forcedef, and harden .force* ops more - -Remove .forcedef and replace all uses with a direct call to .forceput instead. - -Ensure every procedure (named and trasient) that calls .forceput is -executeonly. - -CVE: CVE-2019-6116 -Upstream-Status: Backport [git://git.ghostscript.com/ghostpdl.git] - -Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com> ---- - Resource/Init/gs_dps1.ps | 15 +++++++----- - Resource/Init/gs_init.ps | 28 ++++++++------------- - Resource/Init/gs_lev2.ps | 51 +++++++++++++++++++-------------------- - Resource/Init/gs_ll3.ps | 5 ++-- - Resource/Init/gs_res.ps | 29 +++++++++++----------- - Resource/Init/gs_statd.ps | 4 +-- - 6 files changed, 63 insertions(+), 69 deletions(-) - -diff --git a/Resource/Init/gs_dps1.ps b/Resource/Init/gs_dps1.ps -index 8700c8c..3d2cf7a 100644 ---- a/Resource/Init/gs_dps1.ps -+++ b/Resource/Init/gs_dps1.ps -@@ -33,14 +33,17 @@ systemdict begin - - /SharedFontDirectory .FontDirectory .gcheck - { .currentglobal //false .setglobal -+ currentdict - /LocalFontDirectory .FontDirectory dup maxlength dict copy -- .forcedef % LocalFontDirectory is local, systemdict is global -+ .forceput % LocalFontDirectory is local, systemdict is global - .setglobal .FontDirectory -- } -- { /LocalFontDirectory .FontDirectory -- .forcedef % LocalFontDirectory is local, systemdict is global -+ } executeonly -+ { -+ currentdict -+ /LocalFontDirectory .FontDirectory -+ .forceput % LocalFontDirectory is local, systemdict is global - 50 dict -- } -+ }executeonly - ifelse def - - end % systemdict -@@ -55,7 +58,7 @@ level2dict begin - { //SharedFontDirectory } - { /LocalFontDirectory .systemvar } % can't embed ref to local VM - ifelse .forceput pop % LocalFontDirectory is local, systemdict is global -- } .bind odef -+ } .bind executeonly odef - % Don't just copy (load) the definition of .setglobal: - % it gets redefined for LL3. - /setshared { /.setglobal .systemvar exec } odef -diff --git a/Resource/Init/gs_init.ps b/Resource/Init/gs_init.ps -index d9a0829..45bebf4 100644 ---- a/Resource/Init/gs_init.ps -+++ b/Resource/Init/gs_init.ps -@@ -54,7 +54,7 @@ systemdict exch - dup /userdict - currentdict dup 200 .setmaxlength % userdict - .forceput % userdict is local, systemdict is global -- } -+ } executeonly - if begin - - % Define dummy local/global operators if needed. -@@ -299,13 +299,6 @@ QUIET not { printgreeting flush } if - 1 index exch .makeoperator def - } .bind def - --% Define a special version of def for storing local objects into global --% dictionaries. Like .forceput, this exists only during initialization. --/.forcedef { % <key> <value> .forcedef - -- 1 .argindex pop % check # of args -- currentdict 3 1 roll .forceput --} .bind odef -- - % Define procedures for accessing variables in systemdict and userdict - % regardless of the contents of the dictionary stack. - /.systemvar { % <name> .systemvar <value> -@@ -347,7 +340,7 @@ DELAYBIND - } - ifelse - } .bind def --} if -+} executeonly if - - %**************** BACKWARD COMPATIBILITY **************** - /hwsizedict mark /HWSize //null .dicttomark readonly def -@@ -655,7 +648,7 @@ currentdict /.typenames .undef - /ifelse .systemvar - ] cvx executeonly - exch .setglobal --} odef -+} executeonly odef - systemdict /internaldict dup .makeinternaldict .makeoperator - .forceput % proc is local, systemdict is global - -@@ -1093,7 +1086,7 @@ def - - % Define $error. This must be in local VM. - .currentglobal //false .setglobal --/$error 40 dict .forcedef % $error is local, systemdict is global -+currentdict /$error 40 dict .forceput % $error is local, systemdict is global - % newerror, errorname, command, errorinfo, - % ostack, estack, dstack, recordstacks, - % binary, globalmode, -@@ -1112,8 +1105,8 @@ end - % Define errordict similarly. It has one entry per error name, - % plus handleerror. However, some astonishingly badly written PostScript - % files require it to have at least one empty slot. --/errordict ErrorNames length 3 add dict --.forcedef % errordict is local, systemdict is global -+currentdict /errordict ErrorNames length 3 add dict -+.forceput % errordict is local, systemdict is global - .setglobal % back to global VM - % gserrordict contains all the default error handling methods, but unlike - % errordict it is noaccess after creation (also it is in global VM). -@@ -1273,8 +1266,9 @@ end - (END PROCS) VMDEBUG - - % Define the font directory. -+currentdict - /FontDirectory //false .setglobal 100 dict //true .setglobal --.forcedef % FontDirectory is local, systemdict is global -+.forceput % FontDirectory is local, systemdict is global - - % Define the encoding dictionary. - /EncodingDirectory 16 dict def % enough for Level 2 + PDF standard encodings -@@ -2333,7 +2327,6 @@ SAFER { .setsafeglobal } if - //systemdict /UndefinePostScriptOperators get exec - //systemdict /UndefinePDFOperators get exec - //systemdict /.forcecopynew .forceundef % remove temptation -- //systemdict /.forcedef .forceundef % ditto - //systemdict /.forceput .forceundef % ditto - //systemdict /.undef .forceundef % ditto - //systemdict /.forceundef .forceundef % ditto -@@ -2368,9 +2361,9 @@ SAFER { .setsafeglobal } if - % (and, if implemented, context switching). - .currentglobal //false .setglobal - mark userparams { } forall .dicttomark readonly -- /userparams exch .forcedef % systemdict is read-only -+ currentdict exch /userparams exch .forceput % systemdict is read-only - .setglobal --} if -+} executeonly if - /.currentsystemparams where { - pop - % Remove real system params from pssystemparams. -@@ -2458,7 +2451,6 @@ end - DELAYBIND not { - systemdict /.bindnow .undef % We only need this for DELAYBIND - systemdict /.forcecopynew .undef % remove temptation -- systemdict /.forcedef .undef % ditto - systemdict /.forceput .undef % ditto - systemdict /.forceundef .undef % ditto - } if -diff --git a/Resource/Init/gs_lev2.ps b/Resource/Init/gs_lev2.ps -index 0f0d573..9c0c3a6 100644 ---- a/Resource/Init/gs_lev2.ps -+++ b/Resource/Init/gs_lev2.ps -@@ -304,31 +304,30 @@ end - psuserparams exch /.checkFilePermitparams load put - .setglobal - --pssystemparams begin -- /CurDisplayList 0 .forcedef -- /CurFormCache 0 .forcedef -- /CurInputDevice () .forcedef -- /CurOutlineCache 0 .forcedef -- /CurOutputDevice () .forcedef -- /CurPatternCache 0 .forcedef -- /CurUPathCache 0 .forcedef -- /CurScreenStorage 0 .forcedef -- /CurSourceList 0 .forcedef -- /DoPrintErrors //false .forcedef -- /JobTimeout 0 .forcedef -- /LicenseID (LN-001) .forcedef % bogus -- /MaxDisplayList 140000 .forcedef -- /MaxFormCache 100000 .forcedef -- /MaxImageBuffer 524288 .forcedef -- /MaxOutlineCache 65000 .forcedef -- /MaxPatternCache 100000 .forcedef -- /MaxUPathCache 300000 .forcedef -- /MaxScreenStorage 84000 .forcedef -- /MaxSourceList 25000 .forcedef -- /PrinterName product .forcedef -- /RamSize 4194304 .forcedef -- /WaitTimeout 40 .forcedef --end -+pssystemparams -+dup /CurDisplayList 0 .forceput -+dup /CurFormCache 0 .forceput -+dup /CurInputDevice () .forceput -+dup /CurOutlineCache 0 .forceput -+dup /CurOutputDevice () .forceput -+dup /CurPatternCache 0 .forceput -+dup /CurUPathCache 0 .forceput -+dup /CurScreenStorage 0 .forceput -+dup /CurSourceList 0 .forceput -+dup /DoPrintErrors //false .forceput -+dup /JobTimeout 0 .forceput -+dup /LicenseID (LN-001) .forceput % bogus -+dup /MaxDisplayList 140000 .forceput -+dup /MaxFormCache 100000 .forceput -+dup /MaxImageBuffer 524288 .forceput -+dup /MaxOutlineCache 65000 .forceput -+dup /MaxPatternCache 100000 .forceput -+dup /MaxUPathCache 300000 .forceput -+dup /MaxScreenStorage 84000 .forceput -+dup /MaxSourceList 25000 .forceput -+dup /PrinterName product .forceput -+dup /RamSize 4194304 .forceput -+ /WaitTimeout 40 .forceput - - % Define the procedures for handling comment scanning. The names - % %ProcessComment and %ProcessDSCComment are known to the interpreter. -@@ -710,7 +709,7 @@ pop % currentsystemparams - /statusdict currentdict def - - currentdict end --/statusdict exch .forcedef % statusdict is local, systemdict is global -+currentdict exch /statusdict exch .forceput % statusdict is local, systemdict is global - - % The following compatibility operators are in systemdict. They are - % defined here, rather than in gs_init.ps, because they require the -diff --git a/Resource/Init/gs_ll3.ps b/Resource/Init/gs_ll3.ps -index c86721f..881af44 100644 ---- a/Resource/Init/gs_ll3.ps -+++ b/Resource/Init/gs_ll3.ps -@@ -521,9 +521,8 @@ end - % Define additional user and system parameters. - /HalftoneMode 0 .definepsuserparam - /MaxSuperScreen 1016 .definepsuserparam --pssystemparams begin % read-only, so use .forcedef -- /MaxDisplayAndSourceList 160000 .forcedef --end -+% read-only, so use .forceput -+pssystemparams /MaxDisplayAndSourceList 160000 .forceput - - % Define the IdiomSet resource category. - { /IdiomSet } { -diff --git a/Resource/Init/gs_res.ps b/Resource/Init/gs_res.ps -index b016113..89c0ed6 100644 ---- a/Resource/Init/gs_res.ps -+++ b/Resource/Init/gs_res.ps -@@ -41,10 +41,10 @@ level2dict begin - % However, Ed Taft of Adobe says their interpreters don't implement this - % either, so we aren't going to worry about it for a while. - --currentglobal //false setglobal systemdict begin -- /localinstancedict 5 dict -- .forcedef % localinstancedict is local, systemdict is global --end //true setglobal -+currentglobal //false setglobal -+ systemdict /localinstancedict 5 dict -+ .forceput % localinstancedict is local, systemdict is global -+//true setglobal - /.emptydict 0 dict readonly def - setglobal - -@@ -149,7 +149,7 @@ setglobal - dup [ exch 0 -1 ] exch - .Instances 4 2 roll put - % Make the Category dictionary read-only. We will have to -- % use .forceput / .forcedef later to replace the dummy, -+ % use .forceput / .forceput later to replace the dummy, - % empty .Instances dictionary with the real one later. - readonly - }{ -@@ -304,7 +304,8 @@ systemdict begin - dup () ne { - .file_name_directory_separator concatstrings - } if -- 2 index exch //false .file_name_combine not { -+ 2 index exch //false -+ .file_name_combine not { - (Error: .default_resource_dir returned ) print exch print ( that can't combine with ) print = - /.default_resource_dir cvx /configurationerror signalerror - } if -@@ -317,14 +318,14 @@ currentdict /pssystemparams known not { - pssystemparams begin - //.default_resource_dir exec - /FontResourceDir (Font) //.resource_dir_name exec -- readonly .forcedef % pssys'params is r-o -+ readonly currentdict 3 1 roll .forceput % pssys'params is r-o - /GenericResourceDir () //.resource_dir_name exec -- readonly .forcedef % pssys'params is r-o -+ readonly currentdict 3 1 roll .forceput % pssys'params is r-o - pop % .default_resource_dir - /GenericResourcePathSep -- .file_name_separator readonly .forcedef % pssys'params is r-o -- (%diskFontResourceDir) cvn (/Resource/Font/) readonly .forcedef % pssys'params is r-o -- (%diskGenericResourceDir) cvn (/Resource/) readonly .forcedef % pssys'params is r-o -+ .file_name_separator readonly currentdict 3 1 roll .forceput % pssys'params is r-o -+ currentdict (%diskFontResourceDir) cvn (/Resource/Font/) readonly .forceput % pssys'params is r-o -+ currentdict (%diskGenericResourceDir) cvn (/Resource/) readonly .forceput % pssys'params is r-o - end - end - -@@ -422,8 +423,8 @@ status { - .Instances dup //.emptydict eq { - pop 3 dict - % As noted above, Category dictionaries are read-only, -- % so we have to use .forcedef here. -- /.Instances 1 index .forcedef % Category dict is read-only -+ % so we have to use .forceput here. -+ currentdict /.Instances 2 index .forceput % Category dict is read-only - } executeonly if - } - { .LocalInstances dup //.emptydict eq -@@ -441,7 +442,7 @@ status { - { /defineresource cvx /typecheck signaloperror - } - ifelse --} .bind executeonly .makeoperator % executeonly to prevent access to .forcedef -+} .bind executeonly .makeoperator % executeonly to prevent access to .forceput - /UndefineResource - { { dup 2 index .knownget - { dup 1 get 1 ge -diff --git a/Resource/Init/gs_statd.ps b/Resource/Init/gs_statd.ps -index 20d4c96..b6a7659 100644 ---- a/Resource/Init/gs_statd.ps -+++ b/Resource/Init/gs_statd.ps -@@ -21,10 +21,10 @@ systemdict begin - % We make statusdict a little larger for Level 2 stuff. - % Note that it must be allocated in local VM. - .currentglobal //false .setglobal -- /statusdict 91 dict .forcedef % statusdict is local, sys'dict global -+ currentdict /statusdict 91 dict .forceput % statusdict is local, sys'dict global - % To support the Level 2 job control features, - % serverdict must also be in local VM. -- /serverdict 10 dict .forcedef % serverdict is local, sys'dict global -+ currentdict /serverdict 10 dict .forceput % serverdict is local, sys'dict global - .setglobal - end - --- -2.18.1 - |
