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Red Hat Enterprise Linux 8: RHSA-2020-2972-01 Important: OpenJDK DoS Issues

red hat
Calendar Grey July 16, 2020
Dist Redhat Esm H88
The recent update for Java 1.8 tackles various vulnerabilities in Red Hat Enterprise Linux 8, greatly improving overall system protection.
An update for java-1.8.0-openjdk is now available for Red Hat Enterprise Linux 8

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

All running instances of OpenJDK Java must be restarted for this update to take effect.

Summary

The java-1.8.0-openjdk packages provide the OpenJDK 8 Java Runtime Environment and the OpenJDK 8 Java Software Development Kit.
Security Fix(es):
* OpenJDK: Bypass of boundary checks in nio.Buffer via concurrent access (Libraries, 8238920) (CVE-2020-14583)
* OpenJDK: Incomplete bounds checks in Affine Transformations (2D, 8240119) (CVE-2020-14593)
* OpenJDK: Incorrect handling of access control context in ForkJoinPool (Libraries, 8237117) (CVE-2020-14556)
* OpenJDK: Unexpected exception raised by DerInputStream (Libraries, 8237731) (CVE-2020-14578)
* OpenJDK: Unexpected exception raised by DerValue.equals() (Libraries, 8237736) (CVE-2020-14579)
* OpenJDK: XML validation manipulation due to incomplete application of the use-grammar-pool-only feature (JAXP, 8242136) (CVE-2020-14621)
* OpenJDK: HostnameChecker does not ensure X.509 certificate names are in normalized form (JSSE, 8237592) (CVE-2020-14577)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, 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 java-1.8.0-openjdk concurrent access

References

https://access.redhat.com/security/cve/CVE-2020-14556 https://access.redhat.com/security/cve/CVE-2020-14577 https://access.redhat.com/security/cve/CVE-2020-14578 https://access.redhat.com/security/cve/CVE-2020-14579 https://access.redhat.com/security/cve/CVE-2020-14583 https://access.redhat.com/security/cve/CVE-2020-14593 https://access.redhat.com/security/cve/CVE-2020-14621 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: java-1.8.0-openjdk-1.8.0.262.b10-0.el8_2.src.rpm
aarch64: java-1.8.0-openjdk-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-accessibility-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-debuginfo-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-debugsource-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-demo-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-demo-debuginfo-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-demo-slowdebug-debuginfo-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-devel-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-devel-debuginfo-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-devel-slowdebug-debuginfo-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-headless-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-headless-debuginfo-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-headless-slowdebug-debuginfo-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-slowdebug-debuginfo-1.8.0.262.b10-0.el8_2.aarch64.rpm java-1.8.0-openjdk-src-1.8.0.262.b10-0.el8_2.aarch64.rpm
noarch: java-1.8.0-openjdk-javadoc-1.8.0.262.b10-0.el8_2.noarch.rpm java-1.8.0-openjdk-javadoc-zip-1.8.0.262.b10-0.el8_2.noarch.rpm
ppc64le:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2972-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2972
Issue date: 2020-07-16

Topic

An update for java-1.8.0-openjdk is now available for Red Hat EnterpriseLinux 8.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 java-1.8.0-openjdk concurrent access

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1856448 - CVE-2020-14583 OpenJDK: Bypass of boundary checks in nio.Buffer via concurrent access (Libraries, 8238920)

1856784 - CVE-2020-14593 OpenJDK: Incomplete bounds checks in Affine Transformations (2D, 8240119)

1856885 - CVE-2020-14621 OpenJDK: XML validation manipulation due to incomplete application of the use-grammar-pool-only feature (JAXP, 8242136)

1856896 - CVE-2020-14556 OpenJDK: Incorrect handling of access control context in ForkJoinPool (Libraries, 8237117)

1856988 - CVE-2020-14577 OpenJDK: HostnameChecker does not ensure X.509 certificate names are in normalized form (JSSE, 8237592)

1856991 - CVE-2020-14578 OpenJDK: Unexpected exception raised by DerInputStream (Libraries, 8237731)

1856995 - CVE-2020-14579 OpenJDK: Unexpected exception raised by DerValue.equals() (Libraries, 8237736)

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