CVE-2017-15331 Explained : Impact and Mitigation

This CVE involves a vulnerability in the H323 protocol affecting various Huawei products.

Understanding CVE-2017-15331

This CVE identifies an out-of-bounds read vulnerability in the H323 protocol used in multiple Huawei products.

What is CVE-2017-15331?

The vulnerability allows unauthenticated remote attackers to trigger an out-of-bounds read by sending specially crafted packets to the affected Huawei products.

The Impact of CVE-2017-15331

Exploiting this vulnerability can lead to a process reboot due to insufficient packet verification.

Technical Details of CVE-2017-15331

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in the H323 protocol enables an out-of-bounds read attack on the affected Huawei products.

Affected Systems and Versions

Huawei AR120-S, AR1200, AR150, AR160, AR200, AR2200, AR3200, AR510, DP300, IPS Module, MAX PRESENCE, NGFW Module, NIP6300, NIP6600, NIP6800, NetEngine16EX, RP200, RSE6500, SMC2.0, SRG1300, SRG2300, SRG3300, SVN5600, SVN5800, SVN5800-C, Secospace USG6300, Secospace USG6500, TE30, TE40, TE50, TE60, TP3106, TP3206, USG9500, USG9520, USG9560, USG9580, ViewPoint 9030
Various versions of the mentioned products are affected by this vulnerability.

Exploitation Mechanism

The vulnerability is exploited by sending specifically designed packets to the affected Huawei products, triggering an out-of-bounds read due to inadequate packet verification.

Mitigation and Prevention

Here are the steps to mitigate and prevent exploitation of CVE-2017-15331:

Immediate Steps to Take

Apply patches provided by Huawei promptly.
Implement network segmentation to limit exposure.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security assessments and penetration testing.
Educate users and administrators on cybersecurity best practices.

Patching and Updates

Huawei has released patches to address this vulnerability. Ensure all affected systems are updated with the latest patches.