SB2023022401 - Multiple vulnerabilities in EIP Stack Group OpENer

Description

This security bulletin contains information about 3 vulnerabilities.

1) Out-of-bounds write (CVE-ID: CVE-2022-43604)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the GetAttributeList attribute_count_request functionality. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

2) Out-of-bounds write (CVE-ID: CVE-2022-43605)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the SetAttributeList attribute_count_request functionality. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

3) Access of Uninitialized Pointer (CVE-ID: CVE-2022-43606)

CWE-ID: CWE-824 - Access of Uninitialized Pointer

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

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

The vulnerability exists due to access of uninitialized pointer in the Forward Open connection_management_entry functionality. A remote attacker can send a specially crafted EtherNet/IP request and cause a denial of service condition on the target system.

Remediation

Install update from vendor's website.

References

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1661
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1662
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1663