diff options
Diffstat (limited to 'gnu/packages/patches/mupdf-CVE-2017-14686.patch')
| -rw-r--r-- | gnu/packages/patches/mupdf-CVE-2017-14686.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gnu/packages/patches/mupdf-CVE-2017-14686.patch b/gnu/packages/patches/mupdf-CVE-2017-14686.patch new file mode 100644 index 0000000000..e462a6ffeb --- /dev/null +++ b/gnu/packages/patches/mupdf-CVE-2017-14686.patch @@ -0,0 +1,34 @@ +Fix CVE-2017-14686: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14686 + +Patch copied from upstream source repository: + +https://git.ghostscript.com/?p=mupdf.git;h=0f0fbc07d9be31f5e83ec5328d7311fdfd8328b1 + +From 0f0fbc07d9be31f5e83ec5328d7311fdfd8328b1 Mon Sep 17 00:00:00 2001 +From: Tor Andersson <tor.andersson@artifex.com> +Date: Tue, 19 Sep 2017 16:33:38 +0200 +Subject: [PATCH] Fix 698540: Check name, comment and meta size field signs. + +--- + source/fitz/unzip.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/source/fitz/unzip.c b/source/fitz/unzip.c +index f2d4f32..0bcce0f 100644 +--- a/source/fitz/unzip.c ++++ b/source/fitz/unzip.c +@@ -141,6 +141,9 @@ static void read_zip_dir_imp(fz_context *ctx, fz_zip_archive *zip, int start_off + (void) fz_read_int32_le(ctx, file); /* ext file atts */ + offset = fz_read_int32_le(ctx, file); + ++ if (namesize < 0 || metasize < 0 || commentsize < 0) ++ fz_throw(ctx, FZ_ERROR_GENERIC, "invalid size in zip entry"); ++ + name = fz_malloc(ctx, namesize + 1); + n = fz_read(ctx, file, (unsigned char*)name, namesize); + if (n < (size_t)namesize) +-- +2.9.1 + |