From 5166675ff50e890dbcd9682c65c8321db38f7e2b Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Sat, 13 Dec 2014 23:32:18 +0100
Subject: [PATCH] Patch for an Issue #1024

---
 lib/utils/hash.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/utils/hash.py b/lib/utils/hash.py
index 7f99b7cea..91aba6827 100644
--- a/lib/utils/hash.py
+++ b/lib/utils/hash.py
@@ -405,9 +405,10 @@ def attackCachedUsersPasswords():
 
         for user in kb.data.cachedUsersPasswords.keys():
             for i in xrange(len(kb.data.cachedUsersPasswords[user])):
-                value = kb.data.cachedUsersPasswords[user][i].lower().split()[0]
-                if value in lut:
-                    kb.data.cachedUsersPasswords[user][i] += "%s    clear-text password: %s" % ('\n' if kb.data.cachedUsersPasswords[user][i][-1] != '\n' else '', lut[value])
+                if (kb.data.cachedUsersPasswords[user][i] or "").strip():
+                    value = kb.data.cachedUsersPasswords[user][i].lower().split()[0]
+                    if value in lut:
+                        kb.data.cachedUsersPasswords[user][i] += "%s    clear-text password: %s" % ('\n' if kb.data.cachedUsersPasswords[user][i][-1] != '\n' else '', lut[value])
 
 def attackDumpedTable():
     if kb.data.dumpedTable: