Loop with Unreachable Exit Condition ('Infinite Loop') Affecting tomcat-lib package, versions <9.0.36-3.84.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.55% (78th percentile)

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  • Snyk IDSNYK-SLES150-TOMCATLIB-2655103
  • published14 Apr 2022
  • disclosed16 Nov 2021

Introduced: 16 Nov 2021

CVE-2021-41079  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 tomcat-lib to version 9.0.36-3.84.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat-lib package and not the tomcat-lib package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

Apache Tomcat 8.5.0 to 8.5.63, 9.0.0-M1 to 9.0.43 and 10.0.0-M1 to 10.0.2 did not properly validate incoming TLS packets. 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.

CVSS Scores

version 3.1