CVE-2017-17330 Denial of service in AR3200; NGFW Module

Low 3.3 Published Updated

An authenticated attacker can cause a denial of service by uploading a crafted XML file that triggers a memory leak in Huawei network devices.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-17330?

CVE-2017-17330 is a low-severity denial of service vulnerability in Huawei Ar3200 Firmware, published on 9 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Huawei AR3200 V200R005C32; V200R006C10; V200R006C11; V200R007C00; V200R007C01; V200R007C02; V200R008C00; V200R008C10; V200R008C20; V200R008C30; NGFW Module V500R001C00; V500R001C20; V500R002C00 have a memory leak vulnerability. The software does not release allocated memory properly when parse XML element data. An authenticated attacker could upload a crafted XML file, successful exploit could cause the system service abnormal since run out of memory.

Weakness: CWE-772

Which versions are affected by CVE-2017-17330?

It affects 2 products.

Products include Huawei Ar3200 Firmware, Huawei Ngfw Module Firmware.

How do I fix CVE-2017-17330?

No fix has been published for CVE-2017-17330 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-2017-17330 being exploited?

There is no known exploitation of CVE-2017-17330 in the wild and no public exploit code.

All Huawei Ar3200 Firmware vulnerabilities

Sources

Also known as GHSA-c6x3-qv98-47rh.

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