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Tag: log4jfix

Another Log4j Bug – DoS

Posted on December 20, 2021December 22, 2021 By Santhosh Ponnam

Denial of Service (DoS) which is another Log4J Bug reported over the last couple of days after the fix for JNDI is provided. Apache Issues Fix and the new Log4j vulnerability is similar to Log4Shell but this DoS flaw has to do with Context Map lookups. Apache released another patch version 2.17.0 to address the…

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Java

Log4j Vulnerability / Version Upgrade to 2.16.0 by Apache Team

Posted on December 14, 2021December 22, 2021 By Santhosh Ponnam

A new version of Log4j with 2.16.0 has been released to address the JNDI issue to further prevent the CVE-2021-44228 permanently. While release 2.15.0 removed the ability to resolve Lookups and log messages and addressed issues with how JNDI is accessed, the Log4j team feels that having JNDI enabled by default introduces an undue risk…

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Java

Fixing Log4j Vulnerability

Posted on December 11, 2021December 13, 2021 By Santhosh Ponnam

The easiest way to remediate this is to update to log4j version 2.15.0 or later, as this behavior is now disabled by default. In previous releases (>2.10) this behavior can be mitigated by setting the system property log4j2.formatMsgNoLookups to true by adding the following Java parameter: -Dlog4j2.formatMsgNoLookups=true Alternatively, you can mitigate this vulnerability by removing…

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Java, Spring Boot

Recent Posts

  • Consent Management – DPDP
  • Another Log4j Bug – DoS
  • Log4j Vulnerability / Version Upgrade to 2.16.0 by Apache Team
  • Fixing Log4j Vulnerability
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Recent Posts

  • Consent Management – DPDP
  • Another Log4j Bug – DoS
  • Log4j Vulnerability / Version Upgrade to 2.16.0 by Apache Team
  • Fixing Log4j Vulnerability
  • Log4J (RCE) Vulnerability

Categories

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  • Java
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  • Spring Boot
  • Spring Boot HikariCP Connection Pooling

Archives

  • June 2025
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  • November 2020
  • March 2020
  • August 2018
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Recent Posts

  • Consent Management – DPDP
  • Another Log4j Bug – DoS
  • Log4j Vulnerability / Version Upgrade to 2.16.0 by Apache Team
  • Fixing Log4j Vulnerability
  • Log4J (RCE) Vulnerability

Categories

  • Installations and Configurations
  • Java
  • ORM
  • Spring Boot
  • Spring Boot HikariCP Connection Pooling
  • Setting Environment Variables in Windows Java
  • Consent Management – DPDP Spring Boot HikariCP Connection Pooling
  • Another Log4j Bug – DoS Java
  • Why to have a private constructor? Java
  • Log4j Vulnerability / Version Upgrade to 2.16.0 by Apache Team Java
  • Log4J (RCE) Vulnerability Java
  • hashCode and equals methods in java Java
  • Unique Random ‘N’ digit Number generator Java

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