Horizon Alert
Summary of the vulnerability and why it matters
VMware vCenter Server has a vulnerability within its DCERPC protocol implementation. This flaw can be exploited by a malicious actor with network access to send specially crafted network packets. Successful exploitation may allow for remote code execution on the affected systems.
- Vulnerable vCenter Server component
- Heap overflow weakness
- Potential for unauthorized code execution
Attack Path
How an attacker could exploit the issue
A vulnerability exists in vCenter Server's DCERPC protocol implementation. This allows an attacker to potentially execute remote code by sending specifically crafted network packets. The exploit targets a heap-overflow condition within the protocol.
- Network access is required.
- Attacker sends crafted packets.
- Results in remote code execution.
Live Threat
Current exploitation, exposure, and threat context
A heap overflow vulnerability exists in vCenter Server's DCERPC protocol implementation. This could permit a remote attacker with network access to execute arbitrary code on the affected system by sending specially crafted network packets. This vulnerability carries a critical severity rating.
- Attacker skill level: Low
- Required access or conditions: Network access
- Business risk or urgency: Critical
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
A heap-overflow vulnerability in VMware vCenter Server's DCERPC protocol implementation allows remote code execution. This vulnerability carries a critical severity score and is present in multiple versions of vCenter Server and VMware Cloud Foundation. The potential for a malicious actor to execute arbitrary code necessitates a structured response to mitigate risk.
- Identify all vCenter Server and Cloud Foundation assets.
- Restrict network access to vCenter Server.
- Apply vendor updates, verify remediation, and monitor systems.
