SB2021120332 - Multiple Vulnerabilities in IBM WebSphere Application Server



SB2021120332 - Multiple Vulnerabilities in IBM WebSphere Application Server

Published: December 3, 2021 Updated: March 20, 2022

Security Bulletin ID SB2021120332
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2021-35578)

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

The vulnerability exists due to improper input validation within the JSSE component in Oracle GraalVM Enterprise Edition when processing TLS 1.3 ClientHello packets. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.


2) Improper input validation (CVE-ID: CVE-2021-35564)

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

The vulnerability exists due to improper input validation within the Keytool component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to manipulate data.


Remediation

Install update from vendor's website.