ATutor <= 2.2 (Custom Course Icon) Unrestricted File Upload Vulnerability

2015.11.05
Credit: Egidio Romano
Risk: High
Local: No
Remote: Yes
CWE: CWE-264


CVSS Base Score: 6.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8/10
Exploit range: Remote
Attack complexity: Low
Authentication: Single time
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

------------------------------------------------------------------------- ATutor <= 2.2 (Custom Course Icon) Unrestricted File Upload Vulnerability ------------------------------------------------------------------------- [-] Software Link: http://www.atutor.ca/ [-] Affected Versions: Version 2.2 and prior versions. [-] Vulnerability Description: User input passed through the "customicon" when creating a new course is not properly sanitized before being uploaded into the /content/ directory. This could be exploited to upload and execute arbitrary PHP code. Successful exploitation of this vulnerability requires an account with permissions to create new courses. [-] Solution: Apply the vendor patch. [-] Disclosure Timeline: [10/10/2014] - Vendor notified [13/10/2014] - Vendor response stating this issue will be patched right away [02/11/2014] - Vendor patch released: http://update.atutor.ca/patch/2_2/2_2-6/patch.xml [30/09/2015] - CVE number requested [05/10/2015] - CVE number assigned [04/11/2015] - Public disclosure [-] CVE Reference: The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2014-9752 to this vulnerability. [-] Credits: Vulnerability discovered by Egidio Romano. [-] Original Advisory: http://karmainsecurity.com/KIS-2015-05

References:

http://karmainsecurity.com/KIS-2015-05


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