Insecure DLL loading in multiple Sony products

1) Insecure DLL loading

EUVDB-ID: #VU56044

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20793

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to the installers of multiple Sony products contain an issue with the DLL search path. A local attacker can place a specially crafted .dll file and execute arbitrary code on victim's system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Sony Audio USB Driver: 1.10

HAP Music Transfer: 1.3.0

External links

http://jvn.jp/en/jp/JVN80288258/index.html

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.