diff options
Diffstat (limited to 'gnu/packages')
| -rw-r--r-- | gnu/packages/ghostscript.scm | 13 | ||||
| -rw-r--r-- | gnu/packages/patches/ghostscript-CVE-2017-8291.patch | 73 |
2 files changed, 86 insertions, 0 deletions
diff --git a/gnu/packages/ghostscript.scm b/gnu/packages/ghostscript.scm index 076046e721..5340107f99 100644 --- a/gnu/packages/ghostscript.scm +++ b/gnu/packages/ghostscript.scm @@ -130,6 +130,7 @@ printing, and psresize, for adjusting page sizes.") (define-public ghostscript (package (name "ghostscript") + (replacement ghostscript/fixed) (version "9.14.0") (source (origin (method url-fetch) @@ -209,11 +210,23 @@ output file formats and printers.") (define-public ghostscript/x (package (inherit ghostscript) + (replacement #f) (name (string-append (package-name ghostscript) "-with-x")) (inputs `(("libxext" ,libxext) ("libxt" ,libxt) ,@(package-inputs ghostscript))))) +(define ghostscript/fixed + (package + (inherit ghostscript) + (source + (origin + (inherit (package-source ghostscript)) + (patches + (append + (origin-patches (package-source ghostscript)) + (search-patches "ghostscript-CVE-2017-8291.patch"))))))) + (define-public ijs (package (name "ijs") diff --git a/gnu/packages/patches/ghostscript-CVE-2017-8291.patch b/gnu/packages/patches/ghostscript-CVE-2017-8291.patch new file mode 100644 index 0000000000..db80b6ddec --- /dev/null +++ b/gnu/packages/patches/ghostscript-CVE-2017-8291.patch @@ -0,0 +1,73 @@ +Fix CVE-2017-8291: + +https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=2017-8291 + +This patch is adapted from these two Artifex Ghostscript commits by Leo +Famulari <leo@famulari.name>: + +https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=04b37bbce174eed24edec7ad5b920eb93db4d47d;hp=4f83478c88c2e05d6e8d79ca4557eb039354d2f3 +https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=4f83478c88c2e05d6e8d79ca4557eb039354d2f3;hp=5603e8fc3e59c435318877efe627967ee6baebb8 + +diff --git a/psi/zfrsd.c b/psi/zfrsd.c +index fb4bce9..2629afa 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(e_stackunderflow); ++ if (!r_has_type(op, t_dictionary) && !r_has_type(op, t_null)) { ++ return_error(e_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(e_typecheck); +@@ -94,12 +101,13 @@ zrsdparams(i_ctx_t *i_ctx_p) + return_error(e_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 != e_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) +diff --git a/psi/zmisc3.c b/psi/zmisc3.c +index 54b3042..0d357f1 100644 +--- a/psi/zmisc3.c ++++ b/psi/zmisc3.c +@@ -56,6 +56,12 @@ zeqproc(i_ctx_t *i_ctx_p) + ref2_t stack[MAX_DEPTH + 1]; + ref2_t *top = stack; + ++ if (ref_stack_count(&o_stack) < 2) ++ return_error(e_stackunderflow); ++ if (!r_is_array(op - 1) || !r_is_array(op)) { ++ return_error(e_typecheck); ++ } ++ + make_array(&stack[0].proc1, 0, 1, op - 1); + make_array(&stack[0].proc2, 0, 1, op); + for (;;) { |