SB2021010805 - Multiple vulnerabilities in Omron CX-One

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Untrusted Pointer Dereference (CVE-ID: CVE-2020-27259)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to untrusted pointer dereference when processing certain files. A remote attacker can trick the victim to open a specially crafted file, trigger the untrusted Pointer dereference error and execute arbitrary code on the system.

2) Stack-based buffer overflow (CVE-ID: CVE-2020-27261)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing certain files. A remote unauthenticated attacker can trick the victim to open a specially crafted file, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

3) Type Confusion (CVE-ID: CVE-2020-27257)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error when processing certain files. A remote attacker can trick the victim to open a specially crafted file, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://ics-cert.us-cert.gov/advisories/icsa-21-007-02