SB2020070113 - Multiple vulnerabilities in Mitsubishi Electric Factory Automation Engineering Software Products

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) XML External Entity injection (CVE-ID: CVE-2020-5602)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can send a specially crafted file on the computer running the product to the outside and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.

2) Resource exhaustion (CVE-ID: CVE-2020-5603)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://jvn.jp/en/vu/JVNVU90307594/index.html
• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-004_en.pdf