CVE-2019-11983 : Security Advisory and Response
Learn about CVE-2019-11983 affecting HPE iLO4 and iLO5 systems. Discover the impact, technical details, and mitigation steps for this remote buffer overflow vulnerability.
An issue was found in HPE Integrated Lights-Out 4 (iLO 4) versions preceding v2.61b for Gen9 servers and Integrated Lights-Out 5 (iLO 5) versions preceding v1.39 for Gen10 Servers. This vulnerability relates to a remote buffer overflow.
Understanding CVE-2019-11983
This CVE-2019-11983 vulnerability affects HPE iLO4 and iLO5 systems, potentially allowing remote attackers to execute arbitrary code or cause a denial of service.
What is CVE-2019-11983?
CVE-2019-11983 is a remote buffer overflow vulnerability identified in HPE Integrated Lights-Out 4 (iLO 4) and Integrated Lights-Out 5 (iLO 5) systems.
The Impact of CVE-2019-11983
The vulnerability could be exploited by remote attackers to execute arbitrary code or trigger a denial of service on affected systems.
Technical Details of CVE-2019-11983
This section provides detailed technical information about the CVE-2019-11983 vulnerability.
Vulnerability Description
The vulnerability in HPE iLO4 and iLO5 systems allows remote attackers to trigger a buffer overflow, potentially leading to arbitrary code execution or denial of service.
Affected Systems and Versions
- Product: HPE iLO4 and HPE iLO5
- Versions Affected: iLO4 prior to v2.61b and iLO5 prior to v1.39
Exploitation Mechanism
The vulnerability can be exploited remotely by sending specially crafted packets to the affected iLO4 and iLO5 systems, causing a buffer overflow.
Mitigation and Prevention
Protecting systems from CVE-2019-11983 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches promptly to mitigate the vulnerability.
- Implement network security measures to restrict access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch all software and firmware on HPE servers.
- Conduct security assessments and penetration testing to identify and address vulnerabilities.
Patching and Updates
- HPE has released patches to address the CVE-2019-11983 vulnerability. Ensure all affected systems are updated with the latest firmware and software patches.