CVE-2017-17302 : Vulnerability Insights and Analysis

A memory leak vulnerability affecting Huawei DP300, RP200, TE30, TE40, TE50, and TE60 devices allows an authenticated local attacker to exploit the flaw by loading specific Certificate Revocation List (CRL) configuration files, potentially leading to memory leaks and abnormal services.

Understanding CVE-2017-17302

This CVE involves a memory leak vulnerability in various Huawei devices, posing a risk of service disruption and memory exhaustion.

What is CVE-2017-17302?

The vulnerability in Huawei devices allows an attacker to repeatedly load specific CRL configuration files, causing memory leaks due to improper memory release.

The Impact of CVE-2017-17302

The exploitation of this vulnerability can result in memory leaks and abnormal services, potentially leading to service disruptions and system instability.

Technical Details of CVE-2017-17302

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability involves a memory leak in Huawei DP300, RP200, TE30, TE40, TE50, and TE60 devices, triggered by loading specific CRL configuration files.

Affected Systems and Versions

Affected Systems: Huawei DP300, RP200, TE30, TE40, TE50, TE60
Affected Versions: DP300 V500R002C00, RP200 V600R006C00, TE30 V100R001C10, V500R002C00, V600R006C00, TE40 V500R002C00, V600R006C00, TE50 V500R002C00, V600R006C00, TE60 V100R001C10, V500R002C00, V600R006C00

Exploitation Mechanism

The vulnerability can be exploited by an authenticated, local attacker who crafts and loads specific CRL configuration files onto the devices repeatedly, causing memory leaks.

Mitigation and Prevention

To address CVE-2017-17302, follow these mitigation strategies:

Immediate Steps to Take

Apply patches provided by Huawei promptly.
Monitor system logs for any unusual memory consumption.
Restrict network access to vulnerable devices.

Long-Term Security Practices

Regularly update and patch all Huawei devices.
Implement proper access controls and authentication mechanisms.
Conduct regular security audits and assessments.

Patching and Updates

Huawei has released patches to address the memory leak vulnerability. Ensure all affected devices are updated with the latest firmware and security fixes.