Information disclosure in KOYO Electronics Screen Creator Advance2

1) Reliance on Untrusted Inputs in a Security Decision

EUVDB-ID: #VU62848

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-29518

CWE-ID: CWE-807 - Reliance on Untrusted Inputs in a Security Decision

Exploit availability: No

Description

The vulnerability allows a local attacker to bypass authentication process.

The vulnerability exists due to improper check for the Remote control setting's account names. A local attacker can bypass authentication process and gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GC-A22W-CW: All versions

GC-A24W-C(W): All versions

GC-A26W-C(W): All versions

GC-A24: All versions

GC-A24-M: All versions

GC-A25: All versions

GC-A26: All versions

GC-A26-J2: All versions

Remote GC: All versions

Screen Creator Advance 2: All versions

CPE2.3

• cpe:2.3:h:jtekt_electronics_corporation:gc-a22w-cw:*:*:*:*:*:*:*:*
• cpe:2.3:h:jtekt_electronics_corporation:gc-a24w-c_w:*:*:*:*:*:*:*:*
• cpe:2.3:h:jtekt_electronics_corporation:gc-a26w-c_w:*:*:*:*:*:*:*:*
• cpe:2.3:h:jtekt_electronics_corporation:gc-a24:*:*:*:*:*:*:*:*
• cpe:2.3:h:jtekt_electronics_corporation:gc-a24-m:*:*:*:*:*:*:*:*
• cpe:2.3:h:jtekt_electronics_corporation:gc-a25:*:*:*:*:*:*:*:*
• cpe:2.3:h:jtekt_electronics_corporation:gc-a26:*:*:*:*:*:*:*:*
• cpe:2.3:h:jtekt_electronics_corporation:gc-a26-j2:*:*:*:*:*:*:*:*
• cpe:2.3:h:koyo_electronics_industries:remote_gc:*:*:*:*:*:*:*:*
• cpe:2.3:h:koyo_electronics_industries:screen_creator_advance_2:*:*:*:*:*:*:*:*

External links

https://jvn.jp/en/jp/JVN50337155/index.html
https://www.koyoele.co.jp/en/topics/202205095016/

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.