CVE-2022-37889 : Exploit Details and Defense Strategies
Learn about CVE-2022-37889, a critical buffer overflow vulnerability in Aruba Access Points that allows remote code execution. Find out affected systems and mitigation steps.
A buffer overflow vulnerability in multiple underlying services allows unauthenticated remote code execution by sending specially crafted packets to the PAPI (Aruba Networks AP management protocol) UDP port.
Understanding CVE-2022-37889
This CVE affects Aruba Access Points and can lead to executing arbitrary code as a privileged user on the operating system of affected devices.
What is CVE-2022-37889?
The vulnerability in the Aruba Networks AP management protocol allows attackers to remotely execute code on the underlying operating system of specific Aruba Access Points.
The Impact of CVE-2022-37889
Successful exploitation of this vulnerability could result in unauthorized users executing arbitrary code with elevated privileges on the affected devices.
Technical Details of CVE-2022-37889
This section provides details about the vulnerability, affected systems, and how it can be exploited.
Vulnerability Description
The buffer overflow vulnerability in the PAPI UDP port of Aruba Access Points can be abused to achieve unauthenticated remote code execution.
Affected Systems and Versions
The vulnerability affects various Aruba Access Point models running specific versions of the InstantOS and ArubaOS software.
- Aruba InstantOS 6.4.x: 6.4.4.8-4.2.4.20 and below
- Aruba InstantOS 6.5.x: 6.5.4.23 and below
- Aruba InstantOS 8.6.x: 8.6.0.18 and below
- Aruba InstantOS 8.7.x: 8.7.1.9 and below
- Aruba InstantOS 8.10.x: 8.10.0.1 and below
- ArubaOS 10.3.x: 10.3.1.0 and below
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted packets to the PAPI UDP port of the affected devices.
Mitigation and Prevention
Protecting systems from CVE-2022-37889 requires immediate action and long-term security measures.
Immediate Steps to Take
- Apply the upgrades released by Aruba to address these security vulnerabilities.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Keep systems up to date with the latest security patches.
- Implement network segmentation and access controls to limit exposure.
Patching and Updates
Aruba has released upgrades for InstantOS to mitigate the vulnerability and protect affected devices.