CVE-2019-19413 : Security Advisory and Response

Some Huawei products have a vulnerability in their LDAP client which can result in integer overflow. Insufficient validation of the input allows a remote attacker to take advantage of this vulnerability by sending improperly formed packets to the targeted devices. If exploited successfully, this could lead to a system crash in the affected system.

Understanding CVE-2019-19413

This CVE identifies an integer overflow vulnerability in the LDAP client of certain Huawei products, potentially leading to system crashes.

What is CVE-2019-19413?

The CVE-2019-19413 vulnerability in Huawei products arises from an integer overflow issue in the LDAP client, enabling remote attackers to disrupt systems by sending malformed packets.

The Impact of CVE-2019-19413

Exploiting this vulnerability could result in a system crash in the affected Huawei products, posing a risk to system availability and integrity.

Technical Details of CVE-2019-19413

This section provides detailed technical information about the CVE-2019-19413 vulnerability.

Vulnerability Description

The vulnerability involves an integer overflow in the LDAP client of specific Huawei products, allowing remote attackers to disrupt systems.

Affected Systems and Versions

Affected products: CloudEngine 12800, CloudEngine 5800, CloudEngine 6800, CloudEngine 7800, DBS3900 TDD LTE, DP300, RP200, TE30, TE40, TE50, TE60
Affected versions: V100R003C10, V100R005C00, V100R006C00, V200R001C00, V200R002C50, and more

Exploitation Mechanism

The vulnerability can be exploited by sending improperly formed packets to the targeted devices, taking advantage of the insufficient input validation.

Mitigation and Prevention

To address CVE-2019-19413, follow these mitigation and prevention strategies.

Immediate Steps to Take

Apply security patches provided by Huawei promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all software and firmware in the network.
Conduct security assessments and penetration testing to identify vulnerabilities.
Educate users and IT staff on best security practices.

Patching and Updates

Stay informed about security advisories from Huawei and apply relevant patches.