From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Fri, 22 Apr 2016 14:55:59 +0000 (+0200)
Subject: Fix off-by-one read in `latlon2ul()`
X-Git-Tag: rec-4.0.0-alpha3~36^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=79b45a37c1576bfc07f9b4aa45ba43d0a6e4e17f;p=thirdparty%2Fpdns.git

Fix off-by-one read in `latlon2ul()`
---

diff --git a/pdns/sillyrecords.cc b/pdns/sillyrecords.cc
index b2a7ea1884..289cdb18cb 100644
--- a/pdns/sillyrecords.cc
+++ b/pdns/sillyrecords.cc
@@ -137,6 +137,9 @@ latlon2ul(const char **latlonstrptr, int *which)
     break;
   }
 
+  if (!*cp)
+    return 0;
+
   cp++;                   /* skip the hemisphere */
   
   while (*cp && !isspace(*cp))   /* if any trailing garbage */