Tenant-controlled comma smuggles arbitrary CIFS mount options
Input validation bypass in SMB volume mount handling in CloudFoundry Foundation diego-release allows low-privileged CF space developer to inject arbitrary kernel CIFS mount options via bypassing the mount-option allowlist, enabling privilege escalation and security control bypass on multi-tenant Diego cells.
Affected versions:
smb-volume-release: All versions prior to v3.60.0
CF Deployment: All versions prior to v56.0.0
Description: CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
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A low-privileged CF space developer can bypass the SMB mount-option allowlist by injecting arbitrary kernel CIFS mount options via comma-delimited parameters, enabling privilege escalation and security control bypass on multi-tenant Diego cells.
CAPEC ID: N/A
Description: A low-privileged CF space developer can bypass the SMB mount-option allowlist by injecting arbitrary kernel CIFS mount options via comma-delimited parameters, enabling privilege escalation and security control bypass on multi-tenant Diego cells.