#VU29427 Insecure DLL loading in Huawei HiSuite - CVE-2020-9100

Vulnerability identifier: #VU29427

Vulnerability risk: Low

CVSSv4.0: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2020-9100

CWE-ID: CWE-427

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Huawei HiSuite
Mobile applications / Apps for mobile phones

Vendor: Huawei

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local administrator can place a specially crafted .dll file and execute arbitrary code on victim's system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei HiSuite: before 10.1.0.500

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200701-01-dllhijacking-en

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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.