Insecure DLL loading in SKYSEA Client View



Published: 2021-01-13
Risk High
Patch available NO
Number of vulnerabilities 1
CVE ID CVE-2021-20616
CWE ID CWE-427
Exploitation vector Network
Public exploit N/A
Vulnerable software
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SKYSEA Client View
Client/Desktop applications / Other client software

Vendor Sky Co., LTD.

Security Advisory

This security advisory describes one high risk vulnerability.

1) Insecure DLL loading

Risk: High

CVSSv3: 8.1 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C] [PCI]

CVE-ID: CVE-2021-20616

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

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

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

SKYSEA Client View: 1.020.05b, 16.001.01g

CPE External links

https://jvn.jp/en/jp/JVN69635538/index.html
https://www.skyseaclientview.net/news/210112_01/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.