Merge branch 'master' into core-updates

1 files changed, 53 insertions, 0 deletions

diff --git a/gnu/packages/patches/libextractor-CVE-2018-20431.patch b/gnu/packages/patches/libextractor-CVE-2018-20431.patch
new file mode 100644
index 0000000000..855c5ba64b
--- /dev/null
+++ b/gnu/packages/patches/libextractor-CVE-2018-20431.patch
@@ -0,0 +1,53 @@
+Fix CVE-2018-20431:
+
+https://gnunet.org/bugs/view.php?id=5494
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20431
+https://security-tracker.debian.org/tracker/CVE-2018-20431
+
+Patch copied from upstream source repository:
+
+https://gnunet.org/git/libextractor.git/commit/?id=489c4a540bb2c4744471441425b8932b97a153e7
+
+To apply the patch to libextractor 1.8 release tarball,
+hunk #1 which patches ChangeLog is removed. 
+
+From 489c4a540bb2c4744471441425b8932b97a153e7 Mon Sep 17 00:00:00 2001
+From: Christian Grothoff <[email protected]>
+Date: Thu, 20 Dec 2018 23:02:28 +0100
+Subject: [PATCH] fix #5494
+
+---
+ ChangeLog                    | 3 ++-
+ src/plugins/ole2_extractor.c | 9 +++++++--
+ 2 files changed, 9 insertions(+), 3 deletions(-)
+
+diff --git a/src/plugins/ole2_extractor.c b/src/plugins/ole2_extractor.c
+index 53fa1b9..a48b726 100644
+--- a/src/plugins/ole2_extractor.c
++++ b/src/plugins/ole2_extractor.c
+@@ -173,7 +173,7 @@ struct ProcContext
+   EXTRACTOR_MetaDataProcessor proc;
+ 
+   /**
+-   * Closure for 'proc'.
++   * Closure for @e proc.
+    */
+   void *proc_cls;
+ 
+@@ -213,7 +213,12 @@ process_metadata (gpointer key,
+ 
+   if (G_VALUE_TYPE(gval) == G_TYPE_STRING)
+     {
+-      contents = strdup (g_value_get_string (gval));
++      const char *gvals;
++
++      gvals = g_value_get_string (gval);
++      if (NULL == gvals)
++        return;
++      contents = strdup (gvals);
+     }
+   else
+     {
+-- 
+2.20.1
+