CVE-2017-17318 Denial of service in E5771h-937
Attackers can cause denial of service on Huawei mobile broadband devices by sending specially crafted HTTP requests that exhaust memory.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-17318?
CVE-2017-17318 is a medium-severity denial of service vulnerability in Huawei Technologies Co., Ltd. E5771h-937, published on 30 Apr 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Huawei MBB (Mobile Broadband) products E5771h-937 with the versions before E5771h-937TCPU-V200R001B328D62SP00C1133 and the versions before E5771h-937TCPU-V200R001B329D05SP00C1308 have a Denial of Service (DoS) vulnerability. When an attacker accessing device sends special http request to device, the webserver process will try to apply too much memory which can cause the device to become unable to respond. An attacker can launch a DoS attack by exploiting this vulnerability.
Weakness: CWE-20
Which versions are affected by CVE-2017-17318?
It affects 1 product.
Products include Huawei E5771h-937 Firmware.
How do I fix CVE-2017-17318?
No fix has been published for CVE-2017-17318 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-2017-17318 being exploited?
There is no known exploitation of CVE-2017-17318 in the wild and no public exploit code.
Sources
Also known as GHSA-hx3x-474x-cc52.