Variable on line 67 needs to be changed to "user" from "username" which was undefined and causing error during exploit execution.
[-] Exploit failed: NameError undefined local variable or method `username' for #<Msf::Modules::Mod6578706c6f69742f756e69782f7765626170702f77705f736c69646573686f7767616c6c6572795f75706c6f6164::MetasploitModule:0x0055c61ab093f8>
After changing the incorrect variable name from "username" to "user", the exploit completes.
Edited modules/auxiliary/dos/http/ms15_034_ulonglongadd.rb first landed
in #5150, @wchen-r7's DOS module for CVE-2015-1635 HTTP.sys
Edited modules/auxiliary/gather/apple_safari_ftp_url_cookie_theft.rb
first landed in #5192, @joevennix's module for Safari CVE-2015-1126
Edited modules/auxiliary/gather/java_rmi_registry.rb first landed in
Edited modules/auxiliary/gather/ssllabs_scan.rb first landed in #5016,
add SSL Labs scanner
Edited modules/auxiliary/scanner/http/goahead_traversal.rb first landed
in #5101, Add Directory Traversal for GoAhead Web Server
Edited modules/auxiliary/scanner/http/owa_iis_internal_ip.rb first
landed in #5158, OWA internal IP disclosure scanner
Edited modules/auxiliary/scanner/http/wp_mobileedition_file_read.rb
first landed in #5159, WordPress Mobile Edition Plugin File Read Vuln
Edited modules/exploits/linux/http/multi_ncc_ping_exec.rb first landed
in #4924, @m-1-k-3's DLink CVE-2015-1187 exploit
Edited modules/exploits/unix/webapp/wp_slideshowgallery_upload.rb first
landed in #5131, WordPress Slideshow Upload
Edited modules/exploits/windows/local/run_as.rb first landed in #4649,
improve post/windows/manage/run_as and as an exploit
(These results courtesy of a delightful git alias, here:
```
cleanup-prs = !"for i in `git status | grep modules | sed
s/#.*modules/modules/`; do echo -n \"Edited $i first landed in \" && git
log --oneline --first-parent $i | tail -1 | sed 's/.*Land //' && echo
''; done"
```
So that's kind of fun.
securekomodo