CVE-2020-9071 Explained : Impact and Mitigation
Learn about CVE-2020-9071, a vulnerability in Huawei products allowing attackers to read data beyond buffer boundaries. Find mitigation steps and affected versions here.
A few bytes out-of-bounds read vulnerability in some Huawei products could allow an authenticated attacker to exploit the system by sending crafted messages.
Understanding CVE-2020-9071
What is CVE-2020-9071?
This vulnerability involves the software reading data past the intended buffer's end when processing specific messages, potentially leading to service disruption.
The Impact of CVE-2020-9071
Successful exploitation of this vulnerability could result in service abnormalities under certain conditions.
Technical Details of CVE-2020-9071
Vulnerability Description
The vulnerability allows an attacker to read data beyond the buffer's boundaries by sending specially crafted messages.
Affected Systems and Versions
- Products affected: AR120-S, AR1200, AR150, AR160, AR200, AR2200, AR3200, AR3600, AR510, NetEngine16EX, SRG1300, SRG2300, SRG3300
- Versions affected: V200R007C00SPC900, V200R007C00SPCa00, V200R007C00SPCb00, V200R007C00SPCc00, and more
Exploitation Mechanism
An authenticated attacker can exploit this vulnerability by sending specially crafted messages to the affected device.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Huawei promptly
- Monitor network traffic for any signs of exploitation
- Restrict network access to the vulnerable systems
Long-Term Security Practices
- Regularly update and patch all software and firmware
- Conduct security training for staff to recognize and report suspicious activities
Patching and Updates
Ensure that all affected systems are updated with the latest patches and security fixes.