Privilege escalation in Huawei OSD

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU27234

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-9072

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper privilege management. A local user can construct a specific file path and obtain a higher privilege on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei OSD: before 9.0.32.0

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200422-01-osd-en

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.