SB2021030508 - Red Hat Enterprise Linux 8 update for java-1.8.0-ibm



SB2021030508 - Red Hat Enterprise Linux 8 update for java-1.8.0-ibm

Published: March 5, 2021 Updated: March 20, 2022

Security Bulletin ID SB2021030508
Severity
High
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 20% Medium 20% Low 60%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2020-2773)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the Security component in Java SE Embedded. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.


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-2020-14782)

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The vulnerability exists due to an error in CertPath implementation within the Libraries component in Java SE Embedded. A remote non-authenticated attacker can exploit this vulnerability to manipulate data.


4) 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.


5) 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.


Remediation

Install update from vendor's website.