Privilege escalation in JAL Information Technology Pallet Control

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU27674

Risk: Low

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

CVE-ID: CVE-2020-5538

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 file access permission. A local user who can login to the computer where the vulnerable product is installed can execute arbitrary code with SYSTEM privilege.

Note: According to the developer, PalletControl 7 to 9.1 are not affected by this vulnerability. However under the environment where PLS Management Add-on Module is used, all versions are affected.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Pallet Control: 6.3

External links

http://jvn.jp/en/jp/JVN61849442/index.html
http://www.jalinfotec.co.jp/product/pallet/support/Info/notices.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.