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CVE-2024-21545
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CVE-2024-21545
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
Proxmox Virtual Environment is an open-source server management platform for enterprise virtualization. Insufficient safeguards against malicious API response values allow authenticated attackers with ‘Sys.Audit’ or ‘VM.Monitor’ privileges to download arbitrary host files via the API.
When handling the result from a request handler before returning it to the user, the handle_api2_request function will check for the ‘download’ or ‘data’->’download’ objects inside the request handler call response object. If present, handle_api2_request will read a local file defined by this object and return it to the user.
Two endpoints were identified which can control the object returned by a request handler sufficiently that the ’download’ object is defined and user controlled. This results in arbitrary file read.
The privileges of this file read can result in full compromise of the system by various impacts such as disclosing sensitive files allowing for privileged session forgery.
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CVSS V3 Severity and Metrics
General Information
Vendors
- Proxmox
Products
- pve-manager,
- libpve-storage-perl,
- libpve-http-server-perl,
- pmg-api,
- libpve-common-perl (Promox VE 8),
- libpve-common-perl (Promox Mail Gateway 8)
References
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
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