CVE-2020-1865 : What You Need to Know

Huawei CloudEngine products are affected by an out-of-bounds read vulnerability that could be exploited by a nearby attacker to cause system damage.

Understanding CVE-2020-1865

There is an out-of-bounds read vulnerability in Huawei CloudEngine products that poses a security risk.

What is CVE-2020-1865?

Out-of-bounds read vulnerability in Huawei CloudEngine products
Occurs when parsing specific PIM messages
Crafting malicious PIM messages could trigger the exploit

The Impact of CVE-2020-1865

The successful exploitation of this vulnerability could lead to out-of-bounds read errors during system operations.

Technical Details of CVE-2020-1865

This section provides technical insights into the vulnerability.

Vulnerability Description

Out-of-bounds read weakness in Huawei CloudEngine products
Triggered during PIM message parsing
Potential for system compromise when attacked with crafted PIM messages

Affected Systems and Versions

Products: CloudEngine 12800, 5800, 6800, 7800
Versions: V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800, V200R005C10SPC800, V200R019C00SPC800, V200R019C10SPC800

Exploitation Mechanism

Attacker sends manipulated PIM messages to the device
Device processes these messages beyond the intended buffer
Results in out-of-bounds read vulnerability

Mitigation and Prevention

Preventive measures and actions to address the CVE-2020-1865 vulnerability.

Immediate Steps to Take

Apply vendor-supplied patches promptly
Monitor for any unusual network activity
Implement firewall rules to restrict access

Long-Term Security Practices

Regular security assessments and audits
Employee training on recognizing phishing attempts
Network segmentation to contain potential threats

Patching and Updates

Regularly check for updates from Huawei
Install patches as soon as they are released
Follow best practices for network security