CVE-2021-26572 : Vulnerability Insights and Analysis
Learn about CVE-2021-26572, a vulnerability in HPE Apollo 70 System BMC firmware prior to version 3.0.14.0, potentially allowing remote code execution. Find mitigation steps here.
The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a local buffer overflow vulnerability in the libifc.so webgetactivexcfg function.
Understanding CVE-2021-26572
This CVE relates to a specific vulnerability in the BMC firmware of the HPE Apollo 70 System, causing a buffer overflow in a particular function.
What is CVE-2021-26572?
The vulnerability in CVE-2021-26572 exists in the libifc.so webgetactivexcfg function of the HPE Apollo 70 System's BMC firmware before version 3.0.14.0.
The Impact of CVE-2021-26572
Exploitation of this vulnerability could result in attackers executing arbitrary code or disrupting the normal operation of the affected system, leading to a potential compromise of system integrity and confidentiality.
Technical Details of CVE-2021-26572
This section provides specific technical details about the vulnerability.
Vulnerability Description
The buffer overflow vulnerability in the libifc.so webgetactivexcfg function allows local attackers to trigger a denial of service (DoS) condition or execute arbitrary code.
Affected Systems and Versions
The vulnerability affects HPE Apollo 70 Systems running BMC firmware versions prior to 3.0.14.0.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious requests to the affected function, potentially leading to the execution of unauthorized commands.
Mitigation and Prevention
To address CVE-2021-26572, users and administrators are advised to take immediate and proactive security measures.
Immediate Steps to Take
- Update the BMC firmware to version 3.0.14.0 or later as provided by the vendor.
- Implement network controls to restrict access to the BMC interface.
- Monitor and analyze BMC logs for any suspicious activities.
Long-Term Security Practices
- Regularly monitor vendor security advisories for any updates or patches related to the BMC firmware.
- Conduct security assessments and audits to identify and remediate vulnerabilities proactively.
Patching and Updates
Stay informed about patches and updates released by the vendor for the BMC firmware of the HPE Apollo 70 System.