CVE-2021-25170 : What You Need to Know
Learn about CVE-2021-25170, a buffer overflow vulnerability in HPE Apollo 70 System BMC firmware, potentially leading to code execution. Discover impact, affected versions, and mitigation steps.
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 libifc.so websetremoteimageinfo function.
Understanding CVE-2021-25170
This CVE refers to a buffer overflow vulnerability in the BMC firmware of HPE Apollo 70 System that could be exploited locally.
What is CVE-2021-25170?
The vulnerability exists in the libifc.so websetremoteimageinfo function of the BMC firmware in HPE Apollo 70 System prior to version 3.0.14.0. Attackers could exploit this flaw to potentially execute arbitrary code or disrupt the system.
The Impact of CVE-2021-25170
If successfully exploited, this vulnerability could lead to unauthorized code execution or system disruption, posing a significant security risk to affected devices.
Technical Details of CVE-2021-25170
This section delves into the specifics of the vulnerability, including affected systems, exploitation mechanism, and potential risks.
Vulnerability Description
The buffer overflow vulnerability in the libifc.so websetremoteimageinfo function of the BMC firmware allows attackers to exceed the buffer's allocated size, leading to potential code execution or system instability.
Affected Systems and Versions
HPE Apollo 70 System versions prior to 3.0.14.0 are impacted by this vulnerability, exposing them to the risk of exploitation.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious input to overrun the buffer, triggering unexpected behavior that could compromise the system's integrity.
Mitigation and Prevention
To secure systems against CVE-2021-25170, immediate actions should be taken along with long-term security measures.
Immediate Steps to Take
Users are advised to update the BMC firmware of HPE Apollo 70 System to version 3.0.14.0 or newer to patch the vulnerability and prevent exploitation.
Long-Term Security Practices
Implementing network segmentation, access controls, and regular security updates can enhance the overall resilience of systems against potential threats.
Patching and Updates
Regularly monitor vendor security advisories and promptly apply firmware patches and updates to address known vulnerabilities and strengthen the security posture of the BMC firmware.