diff options
Diffstat (limited to 'meta/recipes-extended/ghostscript/ghostscript/0005-Bug-699657-properly-apply-file-permissions-to-.tempf.patch')
-rw-r--r-- | meta/recipes-extended/ghostscript/ghostscript/0005-Bug-699657-properly-apply-file-permissions-to-.tempf.patch | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/meta/recipes-extended/ghostscript/ghostscript/0005-Bug-699657-properly-apply-file-permissions-to-.tempf.patch b/meta/recipes-extended/ghostscript/ghostscript/0005-Bug-699657-properly-apply-file-permissions-to-.tempf.patch deleted file mode 100644 index ccd40216c0..0000000000 --- a/meta/recipes-extended/ghostscript/ghostscript/0005-Bug-699657-properly-apply-file-permissions-to-.tempf.patch +++ /dev/null @@ -1,54 +0,0 @@ -From f4f50ceea8e8852b8c3ac73f5807d8b54b735c3e Mon Sep 17 00:00:00 2001 -From: Chris Liddell <chris.liddell@artifex.com> -Date: Tue, 21 Aug 2018 20:17:05 +0100 -Subject: [PATCH 5/5] Bug 699657: properly apply file permissions to .tempfile - -CVE: CVE-2018-15908 -Upstream-Status: Backport [git://git.ghostscript.com/ghostpdl.git] - -Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> ---- - psi/zfile.c | 20 ++++++++++++++++++-- - 1 file changed, 18 insertions(+), 2 deletions(-) - -diff --git a/psi/zfile.c b/psi/zfile.c -index a0acd5a..19996b0 100644 ---- a/psi/zfile.c -+++ b/psi/zfile.c -@@ -134,7 +134,7 @@ check_file_permissions_reduced(i_ctx_t *i_ctx_p, const char *fname, int len, - /* we're protecting arbitrary file system accesses, not Postscript device accesses. - * Although, note that %pipe% is explicitly checked for and disallowed elsewhere - */ -- if (iodev != iodev_default(imemory)) { -+ if (iodev && iodev != iodev_default(imemory)) { - return 0; - } - -@@ -734,7 +734,23 @@ ztempfile(i_ctx_t *i_ctx_p) - } - - if (gp_file_name_is_absolute(pstr, strlen(pstr))) { -- if (check_file_permissions(i_ctx_p, pstr, strlen(pstr), -+ int plen = strlen(pstr); -+ const char *sep = gp_file_name_separator(); -+#ifdef DEBUG -+ int seplen = strlen(sep); -+ if (seplen != 1) -+ return_error(gs_error_Fatal); -+#endif -+ /* strip off the file name prefix, leave just the directory name -+ * so we can check if we are allowed to write to it -+ */ -+ for ( ; plen >=0; plen--) { -+ if (pstr[plen] == sep[0]) -+ break; -+ } -+ memcpy(fname, pstr, plen); -+ fname[plen] = '\0'; -+ if (check_file_permissions(i_ctx_p, fname, strlen(fname), - NULL, "PermitFileWriting") < 0) { - code = gs_note_error(gs_error_invalidfileaccess); - goto done; --- -2.8.1 - |