SQL injection in ATutor - CVE-2016-2555
Published: April 13, 2017 / Updated: January 31, 2025
Vulnerability identifier: #VU39196
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-2555
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via the searchFriends function to friends.inc.php. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.
Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.
Affected software
ATutor
How to mitigate CVE-2016-2555
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Links to Public Exploits and PoC-codes
- Exploit #11095 - CVE-2016-2555 (CVE-2016-2555 Exploit ) (January 31, 2025)
- Exploit #5398 - CVE-2016-2555 (exploits ATutor CVE-2016-2555) (May 12, 2021)
- Exploit #5235 - atutor-blind-sqli (Exploiting CVE-2016-2555 enumerating and dumping the underlying Database.) (March 22, 2021)
- Exploit #3854 - ATutor 2.2.1 - SQL Injection / Remote Code Execution (Metasploit) (August 9, 2020)
- Exploit #3758 - ATutor 2.2.1 SQL Injection / Remote Code Execution (August 9, 2020)
External References
- http://sourceincite.com/research/src-2016-08/
- http://www.rapid7.com/db/modules/exploit/multi/http/atutor_sqli
- https://github.com/atutor/ATutor/commit/629b2c992447f7670a2fecc484abfad8c4c2d298
- https://github.com/atutor/ATutor/commit/945a9dca01def8536516088da30fe6a4b7e9fa85
- https://www.exploit-db.com/exploits/39514/