Horizon Alert
Summary of the vulnerability and why it matters
Users with course editing roles in Frappe LMS can upload malicious files to write data outside of intended locations. This could allow unauthorized access or modification of sensitive system files.
- Allows unauthorized file writes.
- Affects learning management systems.
- Reachable from the internet.
Attack Path
How an attacker could exploit the issue
An attacker with course editing privileges in Frappe LMS can exploit this vulnerability to write files outside the intended directory by uploading a specially crafted SCORM package. This allows them to potentially overwrite critical system files or inject malicious content, leading to unauthorized access or complete system compromise.
- Requires authenticated access.
- Targets SCORM package upload feature.
- Precondition: Course editing role.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability allows authenticated users to write files outside their intended directories, a serious security flaw in web applications. Given its critical nature and the typical internet-facing deployment of learning management systems, it is plausible attackers would seek to weaponize it for widespread impact.
- Exploitation likely requires authenticated user interaction.
- No known public exploit is observed.
- The vulnerability is recently patched.
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
Prioritize patching Frappe LMS to version 2.50.1 to address the critical file write vulnerability. If patching is delayed, isolate or restrict access to the LMS to prevent exploitation of the SCORM upload feature.
- Update Frappe LMS to 2.50.1.
- Restrict access to LMS services.
- Monitor for unauthorized file writes.
