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-rw-r--r--gnu/packages/patches/libtiff-CVE-2018-10963.patch40
1 files changed, 40 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtiff-CVE-2018-10963.patch b/gnu/packages/patches/libtiff-CVE-2018-10963.patch
new file mode 100644
index 0000000000..d31c12399d
--- /dev/null
+++ b/gnu/packages/patches/libtiff-CVE-2018-10963.patch
@@ -0,0 +1,40 @@
+Fix CVE-2018-10963:
+
+http://bugzilla.maptools.org/show_bug.cgi?id=2795
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10963
+
+Patch copied from upstream source repository:
+
+https://gitlab.com/libtiff/libtiff/commit/de144fd228e4be8aa484c3caf3d814b6fa88c6d9
+
+From de144fd228e4be8aa484c3caf3d814b6fa88c6d9 Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Sat, 12 May 2018 14:24:15 +0200
+Subject: [PATCH] TIFFWriteDirectorySec: avoid assertion. Fixes
+ http://bugzilla.maptools.org/show_bug.cgi?id=2795. CVE-2018-10963
+
+---
+ libtiff/tif_dirwrite.c | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/libtiff/tif_dirwrite.c b/libtiff/tif_dirwrite.c
+index 2430de6d..c15a28db 100644
+--- a/libtiff/tif_dirwrite.c
++++ b/libtiff/tif_dirwrite.c
+@@ -695,8 +695,11 @@ TIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff)
+ }
+ break;
+ default:
+- assert(0); /* we should never get here */
+- break;
++ TIFFErrorExt(tif->tif_clientdata,module,
++ "Cannot write tag %d (%s)",
++ TIFFFieldTag(o),
++ o->field_name ? o->field_name : "unknown");
++ goto bad;
+ }
+ }
+ }
+--
+2.17.0
+