National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-2539 Detail

Current Description

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.

Source:  MITRE
Description Last Modified:  02/07/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.8 HIGH
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 2.8


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 v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/atutor/ATutor/commit/bfc6c80c6c217c5515172f3cc949e13dfa1a92ac Patch Vendor Advisory
https://packetstormsecurity.com/files/136109/ATutor-LMS-2.2.1-CSRF-Remote-Code-Execution.html Exploit Patch Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/39524/

Technical Details

Vulnerability Type (View All)

  • Cross-Site Request Forgery (CSRF) (CWE-352)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:atutor:atutor:*:*:*:*:*:*:*:*    versions up to (including) 2.2.1

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-2539
NVD Published Date:
02/07/2017
NVD Last Modified:
09/07/2017