Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-41079
CVE-2021-41079:
Java vulnerability analysis and mitigation
Overview
CVE-2021-41079 is a vulnerability discovered in Apache Tomcat versions 8.5.0 to 8.5.63, 9.0.0-M1 to 9.0.43, and 10.0.0-M1 to 10.0.2. The vulnerability was disclosed on September 15, 2021, affecting Apache Tomcat's TLS packet validation mechanism (CVE Mitre).
Technical details
The vulnerability stems from improper validation of incoming TLS packets when Tomcat is configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS connections. The CVSS score for this vulnerability is 7.5 (HIGH) with a vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (NetApp Advisory).
Impact
When successfully exploited, this vulnerability could lead to a denial of service condition through an infinite loop triggered by specially crafted packets (Rapid7).
Mitigation and workarounds
The vulnerability has been fixed in Apache Tomcat versions 8.5.64, 9.0.44, and 10.0.3. Users are recommended to upgrade to these or later versions to mitigate the vulnerability (Debian Security).
Additional resources
Source: This report was generated using AI
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