CVE-2021-3642 : Vulnerability Insights and Analysis
Learn about CVE-2021-3642, a vulnerability in Wildfly Elytron versions prior to 1.10.14.Final, 1.15.5.Final, and 1.16.1.Final that could lead to a Timing Attack, compromising system confidentiality.
A flaw in Wildfly Elytron versions before 1.10.14.Final, 1.15.5.Final, and 1.16.1.Final could make ScramServer vulnerable to a Timing Attack, with the highest threat being confidentiality.
Understanding CVE-2021-3642
This CVE identifies a vulnerability in Wildfly Elytron that could lead to a Timing Attack when ScramServer is enabled.
What is CVE-2021-3642?
CVE-2021-3642 points out a flaw in Wildfly Elytron versions prior to 1.10.14.Final, 1.15.5.Final, and 1.16.1.Final where ScramServer could be exploited via a Timing Attack, potentially compromising confidentiality.
The Impact of CVE-2021-3642
The vulnerability presents a risk to the confidentiality of affected systems due to the Timing Attack that could be carried out if ScramServer is enabled.
Technical Details of CVE-2021-3642
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability allows for a Timing Attack on ScramServer in Wildfly Elytron versions prior to 1.10.14.Final, 1.15.5.Final, and 1.16.1.Final, posing a threat to confidentiality.
Affected Systems and Versions
Wildfly Elytron 1.10.14.Final, 1.15.5.Final, and 1.16.1.Final are the impacted versions by CVE-2021-3642, where ScramServer is potentially susceptible to a Timing Attack.
Exploitation Mechanism
The exploit involves taking advantage of the timing discrepancies in ScramServer when enabled, leading to a compromise in confidentiality.
Mitigation and Prevention
Mitigation strategies and steps to prevent exploitation of CVE-2021-3642.
Immediate Steps to Take
Disable ScramServer in Wildfly Elytron versions prior to 1.10.14.Final, 1.15.5.Final, and 1.16.1.Final to mitigate the risk of a Timing Attack.
Long-Term Security Practices
Enforce strong access controls and regular security assessments to maintain a robust security posture against potential vulnerabilities.
Patching and Updates
Keep systems up to date with the latest patches and version upgrades to address and prevent vulnerabilities like CVE-2021-3642.