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Apache Tomcat DoS Vulnerability (Sep 2021) - Linux

Information

Severity

Severity

High

Family

Family

Web Servers

CVSSv2 Base

CVSSv2 Base

7.1

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

Apache Tomcat is prone to a denial of service (DoS) vulnerability.

Insight

Insight

When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially crafted packet could be used to trigger an infinite loop resulting in a denial of service.

Affected Software

Affected Software

Apache Tomcat 8.5.0 through 8.5.63, 9.0.0-M1 through 9.0.43 and 10.0.0-M1 through 10.0.2.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 8.5.64, 9.0.44, 10.0.4 or later.

Common Vulnerabilities and Exposures (CVE)