SB2022091237 - Multiple vulnerabilities in IBM AIX and IBM VIOS

Description

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2022-36768)

CWE-ID: CWE-20 - Improper input validation

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

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input within the invscout command. A local user can pass specially crafted input to the affected command and execute arbitrary code with root privileges.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-34356)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

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

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improperly imposed security restrictions within the AIX kernel. A local non-privileged user can execute arbitrary code with kernel privileges.

Remediation

Install update from vendor's website.

References

• http://aix.software.ibm.com/aix/efixes/security/invscout_advisory3.asc
• http://aix.software.ibm.com/aix/efixes/security/kernel_advisory4.asc