CVE-2019-5294 : Exploit Details and Defense Strategies
Learn about CVE-2019-5294, an out-of-bound read vulnerability in certain Huawei products. Understand the impact, affected systems, exploitation mechanism, and mitigation steps to secure your systems.
Certain Huawei products have been identified to have a vulnerability that results in an out-of-bound read. A potential attacker can exploit this vulnerability without authentication by sending a corrupted or purposefully created message to the impacted products, potentially leading to abnormal functioning of certain services due to a buffer read overflow error during message parsing.
Understanding CVE-2019-5294
This CVE involves an out-of-bound read vulnerability in specific Huawei products, allowing remote, unauthenticated attackers to disrupt services by sending crafted messages.
What is CVE-2019-5294?
The vulnerability in Huawei products allows attackers to trigger an out-of-bound read by sending specially crafted messages, potentially causing service disruptions.
The Impact of CVE-2019-5294
- Attackers can exploit the vulnerability without authentication
- Successful exploitation may lead to abnormal service functioning
Technical Details of CVE-2019-5294
This section provides detailed technical information about the CVE.
Vulnerability Description
- Type: Out-Of-Bound Read
- Attack Vector: Remote
- Authentication: Not required
- Impact: Service disruption
Affected Systems and Versions
- Products: AR120-S, AR1200, AR1200-S, AR150, AR150-S, AR160, AR200, AR200-S, AR2200, AR2200-S, AR3200, AR3600, NetEngine16EX, SRG1300, SRG2300, SRG3300
- Versions: See vendor's advisory for specific versions
Exploitation Mechanism
- Attackers send corrupted or crafted messages to trigger the vulnerability
Mitigation and Prevention
Protect your systems from CVE-2019-5294 with these mitigation strategies.
Immediate Steps to Take
- Apply patches provided by Huawei
- Monitor network traffic for suspicious activities
- Implement network segmentation to limit the attack surface
Long-Term Security Practices
- Regularly update and patch all software and firmware
- Conduct security assessments and penetration testing
Patching and Updates
- Follow Huawei's security advisories for patch releases
- Keep systems up to date with the latest firmware and software versions