SB2022091613 - Multiple vulnerabilities in IBM OS Image for Red Hat Linux Systems



SB2022091613 - Multiple vulnerabilities in IBM OS Image for Red Hat Linux Systems

Published: September 16, 2022

Security Bulletin ID SB2022091613
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 33% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Stack-based buffer overflow (CVE-ID: CVE-2020-27221)

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

The vulnerability exists due to a boundary error when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding. A remote unauthenticated attacker can trigger a 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.


2) Missing Encryption of Sensitive Data (CVE-ID: CVE-2020-14781)

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

The vulnerability exists due to improper input validation within the JNDI component in Java SE Embedded when processing encrypted LDAP requests. A remote non-authenticated attacker can downgrade the encrypted LDAP connection and gain access to sensitive information.


3) Improper input validation (CVE-ID: CVE-2020-14803)

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

The vulnerability exists due to improper input validation within the Libraries component in Java SE. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


Remediation

Install update from vendor's website.