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-rw-r--r--patches/tiff/CVE-2017-18013.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/patches/tiff/CVE-2017-18013.patch b/patches/tiff/CVE-2017-18013.patch
new file mode 100644
index 00000000..5f56ff25
--- /dev/null
+++ b/patches/tiff/CVE-2017-18013.patch
@@ -0,0 +1,34 @@
+From c6f41df7b581402dfba3c19a1e3df4454c551a01 Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Sun, 31 Dec 2017 15:09:41 +0100
+Subject: [PATCH] libtiff/tif_print.c: TIFFPrintDirectory(): fix null pointer dereference on corrupted file. Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2770
+
+---
+ libtiff/tif_print.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/libtiff/tif_print.c b/libtiff/tif_print.c
+index 9959d35..8deceb2 100644
+--- a/libtiff/tif_print.c
++++ b/libtiff/tif_print.c
+@@ -667,13 +665,13 @@ TIFFPrintDirectory(TIFF* tif, FILE* fd, long flags)
+ #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
+ fprintf(fd, " %3lu: [%8I64u, %8I64u]\n",
+ (unsigned long) s,
+- (unsigned __int64) td->td_stripoffset[s],
+- (unsigned __int64) td->td_stripbytecount[s]);
++ td->td_stripoffset ? (unsigned __int64) td->td_stripoffset[s] : 0,
++ td->td_stripbytecount ? (unsigned __int64) td->td_stripbytecount[s] : 0);
+ #else
+ fprintf(fd, " %3lu: [%8llu, %8llu]\n",
+ (unsigned long) s,
+- (unsigned long long) td->td_stripoffset[s],
+- (unsigned long long) td->td_stripbytecount[s]);
++ td->td_stripoffset ? (unsigned long long) td->td_stripoffset[s] : 0,
++ td->td_stripbytecount ? (unsigned long long) td->td_stripbytecount[s] : 0);
+ #endif
+ }
+ }
+--
+libgit2 0.26.0
+