From: cristy <urban-warrior@git.imagemagick.org>
Date: Sat, 26 Jan 2013 23:11:29 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~4335
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0217c564ff71755437c59a2ad5d9f1c56d4d0e4a;p=imagemagick

---

diff --git a/MagickCore/utility.c b/MagickCore/utility.c
index e58580c10..3bec2ab01 100644
--- a/MagickCore/utility.c
+++ b/MagickCore/utility.c
@@ -1807,6 +1807,13 @@ MagickExport int SystemCommand(const MagickBooleanType asynchronous,
   arguments=StringToArgv(command,&number_arguments);
   if (arguments == (char **) NULL)
     return(status);
+  if (*arguments[1] == '\0')
+    {
+      for (i=0; i < (ssize_t) number_arguments; i++)
+        arguments[i]=DestroyString(arguments[i]);
+      arguments=(char **) RelinquishMagickMemory(arguments);
+      return(-1);
+    }
   rights=ExecutePolicyRights;
   domain=DelegatePolicyDomain;
   if (IsRightsAuthorized(domain,rights,arguments[1]) == MagickFalse)