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RHEL 8: Critical OpenJDK TLS Vulnerabilities Addressed in RHSA-2021:3885-01

red hat
Calendar Grey October 20, 2021
Dist Redhat Esm H88
Essential updates for java-1.8.0-openjdk on Red Hat Enterprise Linux address multiple security vulnerabilities and potential weaknesses.
An update for java-1.8.0-openjdk is now available for Red Hat Enterprise Linux 8.2 Extended Update Support

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: Loop in HttpsServer triggered during TLS session close (JSSE, 8254967) (CVE-2021-35565)
* OpenJDK: Incorrect principal selection when using Kerberos Constrained Delegation (Libraries, 8266689) (CVE-2021-35567)
* OpenJDK: Weak ciphers preferred over stronger ones for TLS (JSSE, 8264210) (CVE-2021-35550)
* OpenJDK: Excessive memory allocation in RTFParser (Swing, 8265167) (CVE-2021-35556)
* OpenJDK: Excessive memory allocation in RTFReader (Swing, 8265580) (CVE-2021-35559)
* OpenJDK: Excessive memory allocation in HashMap and HashSet (Utility, 8266097) (CVE-2021-35561)
* OpenJDK: Certificates with end dates too far in the future can corrupt keystore (Keytool, 8266137) (CVE-2021-35564)
* OpenJDK: Unexpected exception raised during TLS handshake (JSSE, 8267729) (CVE-2021-35578)
* OpenJDK: Excessive memory allocation in BMPImageReader (ImageIO, 8267735) (CVE-2021-35586)
* OpenJDK: Incomplete validation of inner class references in ClassFileParser (Hotspot, 8268071) (CVE-2021-35588)
* OpenJDK: Non-constant comparison during TLS handshakes (JSSE, 8269618) (CVE-2021-35603)
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 update Red Hat Enterprise Linux Java Runtime OpenJDK Important TLS threat

References

https://access.redhat.com/security/cve/CVE-2021-35550 https://access.redhat.com/security/cve/CVE-2021-35556 https://access.redhat.com/security/cve/CVE-2021-35559 https://access.redhat.com/security/cve/CVE-2021-35561 https://access.redhat.com/security/cve/CVE-2021-35564 https://access.redhat.com/security/cve/CVE-2021-35565 https://access.redhat.com/security/cve/CVE-2021-35567 https://access.redhat.com/security/cve/CVE-2021-35578 https://access.redhat.com/security/cve/CVE-2021-35586 https://access.redhat.com/security/cve/CVE-2021-35588 https://access.redhat.com/security/cve/CVE-2021-35603 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source: java-1.8.0-openjdk-1.8.0.312.b07-1.el8_2.src.rpm
aarch64: java-1.8.0-openjdk-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-accessibility-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-debuginfo-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-debugsource-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-demo-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-demo-debuginfo-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-demo-slowdebug-debuginfo-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-devel-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-devel-debuginfo-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-devel-slowdebug-debuginfo-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-headless-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-headless-debuginfo-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-headless-slowdebug-debuginfo-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-slowdebug-debuginfo-1.8.0.312.b07-1.el8_2.aarch64.rpm java-1.8.0-openjdk-src-1.8.0.312.b07-1.el8_2.aarch64.rpm
noarch: java-1.8.0-openjdk-javadoc-1.8.0.312.b07-1.el8_2.noarch.rpm java-1.8.0-openjdk-javadoc-zip-1.8.0.312.b07-1.el8_2.noarch.rpm
ppc64le:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:3885-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3885
Issue date: 2021-10-20

Topic

An update for java-1.8.0-openjdk is now available for Red Hat EnterpriseLinux 8.2 Extended Update Support.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 update Red Hat Enterprise Linux Java Runtime OpenJDK Important TLS threat

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2014508 - CVE-2021-35565 OpenJDK: Loop in HttpsServer triggered during TLS session close (JSSE, 8254967)

2014515 - CVE-2021-35556 OpenJDK: Excessive memory allocation in RTFParser (Swing, 8265167)

2014518 - CVE-2021-35559 OpenJDK: Excessive memory allocation in RTFReader (Swing, 8265580)

2014524 - CVE-2021-35561 OpenJDK: Excessive memory allocation in HashMap and HashSet (Utility, 8266097)

2015061 - CVE-2021-35564 OpenJDK: Certificates with end dates too far in the future can corrupt keystore (Keytool, 8266137)

2015308 - CVE-2021-35586 OpenJDK: Excessive memory allocation in BMPImageReader (ImageIO, 8267735)

2015311 - CVE-2021-35603 OpenJDK: Non-constant comparison during TLS handshakes (JSSE, 8269618)

2015648 - CVE-2021-35550 OpenJDK: Weak ciphers preferred over stronger ones for TLS (JSSE, 8264210)

2015653 - CVE-2021-35578 OpenJDK: Unexpected exception raised during TLS handshake (JSSE, 8267729)

2015658 - CVE-2021-35567 OpenJDK: Incorrect principal selection when using Kerberos Constrained Delegation (Libraries, 8266689)

2015659 - CVE-2021-35588 OpenJDK: Incomplete validation of inner class references in ClassFileParser (Hotspot, 8268071)

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