CVE-2014-3223 Denial of service in S9300,S2300,S3300,S5300,S6300 S9300 with software V100R006C00SPC500??S9300 with software V100R006C00SPC800,S2300,S3300,S5300,S6300 with software V100R006C00SPC800,V100R006C01SPC100, V100R006C03

High 7.5 Published 2 Apr 2017 Updated 6 Aug 2024

Attackers can cause Huawei switches to restart by sending specially crafted Y.1731 packets, resulting in a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2014-3223?

CVE-2014-3223 is a high-severity denial of service vulnerability in S9300,S2300,S3300,S5300,S6300 S9300 with software V100R006C00SPC500??S9300 with software V100R006C00SPC800,S2300,S3300,S5300,S6300 with software V100R006C00SPC800,V100R006C01SPC100, V100R006C03, published on 2 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Huawei S9300 with software before V100R006SPH013 and S2300,S3300,S5300,S6300 with software before V100R006SPH010 support Y.1731 and therefore have the Y.1731 vulnerability in processing special packets. The vulnerability causes the restart of switches.

Weakness: CWE-19

Which versions are affected by CVE-2014-3223?

It affects 5 products.

Products include Huawei S2300 Firmware, Huawei S3300 Firmware, Huawei S5300 Firmware, Huawei S6300 Firmware, Huawei S9300 Firmware.

How do I fix CVE-2014-3223?

No fix has been published for CVE-2014-3223 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2014-3223 being exploited?

There is no known exploitation of CVE-2014-3223 in the wild and no public exploit code.

Sources

Also known as GHSA-6fj6-6gxr-v5gm.