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CVE-2023-4220

Chamilo LMS Unauthenticated Big Upload File Remote Code Execution

Published: Nov 28, 2023Updated: Nov 21, 2024 Sources: CVE List NVDCWE-434
8.1HIGH
NVD MITRE
EPSS Score
76.1%
Top 0.5%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

Description

Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-434CWE-79

Affected Products

Chamilo
oss-projectaka chamilo-lms
ChamiloOn-premWeb App
Enterprise Software / collaboration-groupware
chamilo lmsOn-premWeb App
Enterprise Software / itsm-monitoring

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

5 techniques
Command and Control
Execution
Initial Access
Persistence
View detailed technique mapping

References

https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-130-2023-09-04-Critical-impact-High-risk-Unauthenticated-users-may-gain-XSS-and-unauthenticated-RCE-CVE-2023-4220
support.chamilo.org
https://starlabs.sg/advisories/23/23-4220
starlabs.sg
https://github.com/chamilo/chamilo-lms/commit/3b487a55076fb06f96809b790a35dcdd42f8ec49
github.com

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