#VU47180 Out-of-bounds read in Huawei Taurus-AN00B - CVE-2020-9238

Vulnerability identifier: #VU47180

Vulnerability risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-9238

CWE-ID: CWE-125

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Huawei Taurus-AN00B
Hardware solutions / Firmware

Vendor: Huawei

Description

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

The vulnerability exists due to a boundary condition within a function in a module. A remote attacker on the local network can send a specially crafted request, trigger out-of-bounds read error and cause a denial of service condition on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei Taurus-AN00B: before 10.1.0.156(C00E155R7P2)

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-01-bufferoverflow-en

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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.