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Red Hat: RHSA-2023-4876-01 Critical: Apache HTTP Server Vulnerability

red hat
Calendar Grey October 16, 2018
Dist Redhat Esm H88
An essential security patch for Apache Tomcat on Red Hat Enterprise Linux 7 resolves a Denial of Service vulnerability posing a serious threat.
An update for tomcat is now available for Red Hat Enterprise Linux 7

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.
Security Fix(es):
* tomcat: A bug in the UTF-8 decoder can lead to DoS (CVE-2018-1336)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory security issue DoS Red Hat Enterprise Linux important tomcat service impact

References

https://access.redhat.com/security/cve/CVE-2018-1336 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: tomcat-7.0.76-8.el7_5.src.rpm
noarch: tomcat-servlet-3.0-api-7.0.76-8.el7_5.noarch.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch: tomcat-7.0.76-8.el7_5.noarch.rpm tomcat-admin-webapps-7.0.76-8.el7_5.noarch.rpm tomcat-docs-webapp-7.0.76-8.el7_5.noarch.rpm tomcat-el-2.2-api-7.0.76-8.el7_5.noarch.rpm tomcat-javadoc-7.0.76-8.el7_5.noarch.rpm tomcat-jsp-2.2-api-7.0.76-8.el7_5.noarch.rpm tomcat-jsvc-7.0.76-8.el7_5.noarch.rpm tomcat-lib-7.0.76-8.el7_5.noarch.rpm tomcat-webapps-7.0.76-8.el7_5.noarch.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: tomcat-7.0.76-8.el7_5.src.rpm
noarch: tomcat-servlet-3.0-api-7.0.76-8.el7_5.noarch.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch: tomcat-7.0.76-8.el7_5.noarch.rpm tomcat-admin-webapps-7.0.76-8.el7_5.noarch.rpm tomcat-docs-webapp-7.0.76-8.el7_5.noarch.rpm tomcat-el-2.2-api-7.0.76-8.el7_5.noarch.rpm tomcat-javadoc-7.0.76-8.el7_5.noarch.rpm tomcat-jsp-2.2-api-7.0.76-8.el7_5.noarch.rpm tomcat-jsvc-7.0.76-8.el7_5.noarch.rpm tomcat-lib-7.0.76-8.el7_5.noarch.rpm tomcat-webapps-7.0.76-8.el7_5.noarch.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: tomcat-7.0.76-8.el7_5.src.rpm
noarch: tomcat-7.0.76-8.el7_5.noarch.rpm tomcat-admin-webapps-7.0.76-8.el7_5.noarch.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:2921-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2921
Issue date: 2018-10-16

Topic

An update for tomcat is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue DoS Red Hat Enterprise Linux important tomcat service impact

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - noarch

Red Hat Enterprise Linux Client Optional (v. 7) - noarch

Red Hat Enterprise Linux ComputeNode (v. 7) - noarch

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch

Red Hat Enterprise Linux Server (v. 7) - noarch

Red Hat Enterprise Linux Server Optional (v. 7) - noarch

Red Hat Enterprise Linux Workstation (v. 7) - noarch

Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - noarch

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - noarch

Bugs Fixed

1607591 - CVE-2018-1336 tomcat: A bug in the UTF-8 decoder can lead to DoS

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