Twig plugin blind injection exception - crash

[wh1t3p4wn48]

I tested tplmap with the Lab: Basic server-side template injection: https://portswigger.net/web-security/server-side-template-injection/exploiting/lab-server-side-template-injection-basic

python tplmap.py -u 'https://your-lab-id.web-security-academy.net/?message=Unfortunately%20this%20product%20is%20out%20of%20stock'

The script crashed at Twig plugin blind injection.

[+] Tplmap 0.5
    Automatic Server-Side Template Injection Detection and Exploitation Tool
[+] Testing if GET parameter 'message' is injectable
[+] Smarty plugin is testing rendering with tag '*'
[+] Smarty plugin is testing blind injection
[+] Mako plugin is testing rendering with tag '${*}'
[+] Mako plugin is testing blind injection
[+] Python plugin is testing rendering with tag 'str(*)'
[+] Python plugin is testing blind injection
[+] Tornado plugin is testing rendering with tag '{{*}}'
[+] Tornado plugin is testing blind injection
[+] Jinja2 plugin is testing rendering with tag '{{*}}'
[+] Jinja2 plugin is testing blind injection
[+] Twig plugin is testing rendering with tag '{{*}}'
[+] Twig plugin is testing blind injection
[!][tplmap] Exiting: 'bool' object has no attribute 'replace'

If the Twig blind template is excluded the injection works.

[+] Testing if GET parameter 'message' is injectable
[+] Smarty plugin is testing rendering with tag '*'
[+] Smarty plugin is testing blind injection
[+] Mako plugin is testing rendering with tag '${*}'
[+] Mako plugin is testing blind injection
[+] Python plugin is testing rendering with tag 'str(*)'
[+] Python plugin is testing blind injection
[+] Tornado plugin is testing rendering with tag '{{*}}'
[+] Tornado plugin is testing blind injection
[+] Jinja2 plugin is testing rendering with tag '{{*}}'
[+] Jinja2 plugin is testing blind injection
[+] Freemarker plugin is testing rendering with tag '*'
[+] Freemarker plugin is testing blind injection
[+] Velocity plugin is testing rendering with tag '*'
[+] Velocity plugin is testing blind injection
[+] Slim plugin is testing rendering with tag '"#{*}"'
[+] Slim plugin is testing blind injection
[+] Erb plugin is testing rendering with tag '"#{*}"'
[+] Erb plugin has confirmed injection with tag '"#{*}"'
[+] Tplmap identified the following injection point:

  GET parameter: message
  Engine: Erb
  Injection: "#{*}"
  Context: text
  OS: x86_64-linux-gnu
  Technique: render
  Capabilities:

   Shell command execution: ok
   Bind and reverse shell: ok
   File write: ok
   File read: ok
   Code evaluation: ok, ruby code

[GloryToMoon]

Same problem in XVWA app when testing SSTI.

[sakhan007]

I tested tplmap with the Lab: Basic server-side template injection: https://portswigger.net/web-security/server-side-template-injection/exploiting/lab-server-side-template-injection-basic

python tplmap.py -u 'https://your-lab-id.web-security-academy.net/?message=Unfortunately%20this%20product%20is%20out%20of%20stock'

The script crashed at Twig plugin blind injection.

[+] Tplmap 0.5
    Automatic Server-Side Template Injection Detection and Exploitation Tool
[+] Testing if GET parameter 'message' is injectable
[+] Smarty plugin is testing rendering with tag '*'
[+] Smarty plugin is testing blind injection
[+] Mako plugin is testing rendering with tag '${*}'
[+] Mako plugin is testing blind injection
[+] Python plugin is testing rendering with tag 'str(*)'
[+] Python plugin is testing blind injection
[+] Tornado plugin is testing rendering with tag '{{*}}'
[+] Tornado plugin is testing blind injection
[+] Jinja2 plugin is testing rendering with tag '{{*}}'
[+] Jinja2 plugin is testing blind injection
[+] Twig plugin is testing rendering with tag '{{*}}'
[+] Twig plugin is testing blind injection
[!][tplmap] Exiting: 'bool' object has no attribute 'replace'

If the Twig blind template is excluded the injection works.

[+] Testing if GET parameter 'message' is injectable
[+] Smarty plugin is testing rendering with tag '*'
[+] Smarty plugin is testing blind injection
[+] Mako plugin is testing rendering with tag '${*}'
[+] Mako plugin is testing blind injection
[+] Python plugin is testing rendering with tag 'str(*)'
[+] Python plugin is testing blind injection
[+] Tornado plugin is testing rendering with tag '{{*}}'
[+] Tornado plugin is testing blind injection
[+] Jinja2 plugin is testing rendering with tag '{{*}}'
[+] Jinja2 plugin is testing blind injection
[+] Freemarker plugin is testing rendering with tag '*'
[+] Freemarker plugin is testing blind injection
[+] Velocity plugin is testing rendering with tag '*'
[+] Velocity plugin is testing blind injection
[+] Slim plugin is testing rendering with tag '"#{*}"'
[+] Slim plugin is testing blind injection
[+] Erb plugin is testing rendering with tag '"#{*}"'
[+] Erb plugin has confirmed injection with tag '"#{*}"'
[+] Tplmap identified the following injection point:

  GET parameter: message
  Engine: Erb
  Injection: "#{*}"
  Context: text
  OS: x86_64-linux-gnu
  Technique: render
  Capabilities:

   Shell command execution: ok
   Bind and reverse shell: ok
   File write: ok
   File read: ok
   Code evaluation: ok, ruby code

How do you exclude an engine. I could only find -e to include engines.