| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in ATutor 2.2.1. Affected by this issue is the function searchFriends in the library include/lib/mysql_connect.inc.php. The manipulation leads to sql injection.
This vulnerability is referenced as CVE-2016-2555. Remote exploitation of the attack is possible. Furthermore, an exploit is available.
Details
A vulnerability was found in ATutor 2.2.1 (Learning Management Software) and classified as critical. This issue affects the function searchFriends in the library include/lib/mysql_connect.inc.php. The manipulation with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
SQL injection vulnerability in include/lib/mysql_connect.inc.php in ATutor 2.2.1 allows remote attackers to execute arbitrary SQL commands via the searchFriends function to friends.inc.php.
The bug was discovered 03/01/2016. The weakness was published 04/13/2017 (GitHub Repository). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2016-2555 since 02/24/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.
The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 408 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:include/lib/mysql_connect.inc.php it is possible to find vulnerable targets with Google Hacking.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Exploit-DB (39514). Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
Version
License
Website
- Product: https://github.com/atutor/ATutor/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Sql injectionCWE: CWE-89 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
MetaSploit ID: atutor_sqli.rb
MetaSploit Name: ATutor 2.2.1 SQL Injection / Remote Code Execution
MetaSploit File: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
02/24/2016 🔍03/01/2016 🔍
04/13/2017 🔍
04/13/2017 🔍
04/14/2017 🔍
01/27/2025 🔍
Sources
Product: github.comAdvisory: 629b2c992447f7670a2fecc484abfad8c4c2d298
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-2555 (🔍)
GCVE (CVE): GCVE-0-2016-2555
GCVE (VulDB): GCVE-100-99815
OSVDB: - CVE-2016-2555 - ATutor - SQL Injection Issue
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/14/2017 11:03Updated: 01/27/2025 04:45
Changes: 04/14/2017 11:03 (55), 08/30/2020 17:33 (12), 11/29/2022 09:45 (5), 01/27/2025 04:45 (20)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.