SB2021011808 - Multiple vulnerabilities in acmailer

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Improper access control (CVE-ID: CVE-2021-20617)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application, leading to arbitrary OS command injection and privilege escalation.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-20618)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation.

Remediation

Install update from vendor's website.

References

• https://jvn.jp/en/jp/JVN35906450/index.html
• https://www.acmailer.jp/info/de.cgi?id=101