SB2023041308 - Multiple vulnerabilities in IBM AIX and VIOS



SB2023041308 - Multiple vulnerabilities in IBM AIX and VIOS

Published: April 13, 2023 Updated: May 18, 2023

Security Bulletin ID SB2023041308
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) OS Command Injection (CVE-ID: CVE-2023-28528)

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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


The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the AIX invscout command. A local user and execute arbitrary OS commands on the target system.



2) OS Command Injection (CVE-ID: CVE-2023-26286)

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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


The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the errlog() syscall functionality in the AIX runtime services library. A local user can execute arbitrary OS commands on the target system.



Remediation

Install update from vendor's website.