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CVE-2016-2539

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Date: February 7, 2017

Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authentication of users for requests that upload arbitrary files and execute arbitrary PHP code via vectors involving a crafted zip file.

Language: PHP

Severity Score

Related Resources (5)

https://www.exploit-db.com/exploits/39524/
https://packetstormsecurity.com/files/136109/ATutor-LMS-2.2.1-CSRF-Remote-Code-Execution.html
https://github.com/atutor/ATutor/commit/bfc6c80c6c217c5515172f3cc949e13dfa1a92ac
https://nvd.nist.gov/vuln/detail/CVE-2016-2539
https://www.mend.io/vulnerability-database/CVE-2016-2539

Severity Score

Weakness Type (CWE)

Cross-Site Request Forgery (CSRF)

CWE-352

Top Fix

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CVSS v3

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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