Denial of service in Huawei ChangXiang 8 Plus



Published: 2020-06-29
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-1837
CWE ID CWE-20
Exploitation vector Local network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Changxiang 8 Plus
Client/Desktop applications / Multimedia software

Vendor Huawei

Security Advisory

This security advisory describes one low risk vulnerability.

1) Input validation error

Risk: Low

CVSSv3: 4.8 [CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-1837

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the affected device does not properly handle certain message from base station. A remote attacker on the local network can craft a fake base station and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Changxiang 8 Plus: before 9.1.0.136

CPE External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200624-01-dos-en

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.