CVE-2015-7844 Denial of service in FusionAccess V100R005C10,V100R005C20

High 7.5 Published Updated

Attackers can cause virtual cloud desktops to become unusable by sending malformed HDP protocol packets to Huawei FusionAccess.

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-2015-7844?

CVE-2015-7844 is a high-severity denial of service vulnerability in FusionAccess V100R005C10,V100R005C20, 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 FusionAccess with software V100R005C10,V100R005C20 could allow attackers to craft and send a malformed HDP protocol packet to cause the virtual cloud desktop to be displaying an error and not usable.

Weakness: CWE-20

Which versions are affected by CVE-2015-7844?

It affects 1 product.

Products include Huawei Fusionaccess.

How do I fix CVE-2015-7844?

No fix has been published for CVE-2015-7844 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-2015-7844 being exploited?

There is no known exploitation of CVE-2015-7844 in the wild and no public exploit code.

Sources

Also known as GHSA-2wrc-8rc6-mc72.

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