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Red Hat Security Advisory 2021-0736-01

Red Hat Security Advisory 2021-0736-01
Posted Mar 5, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0736-01 - IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit. This update upgrades IBM Java SE 8 to version 8 SR6-FP25. Issues addressed include buffer overflow and bypass vulnerabilities.

tags | advisory, java, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2020-14781, CVE-2020-14782, CVE-2020-14803, CVE-2020-27221, CVE-2020-2773
MD5 | 0336b07b00115c7ede63c26b01246dbc

Red Hat Security Advisory 2021-0736-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Critical: java-1.8.0-ibm security update
Advisory ID: RHSA-2021:0736-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0736
Issue date: 2021-03-04
CVE Names: CVE-2020-2773 CVE-2020-14781 CVE-2020-14782
CVE-2020-14803 CVE-2020-27221
====================================================================
1. Summary:

An update for java-1.8.0-ibm is now available for Red Hat Enterprise Linux
8.

Red Hat Product Security has rated this update as having a security impact
of Critical. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux 8 Supplementary - ppc64le, s390x, x86_64

3. Description:

IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM
Java Software Development Kit.

This update upgrades IBM Java SE 8 to version 8 SR6-FP25.

Security Fix(es):

* IBM JDK: Stack-based buffer overflow when converting from UTF-8
characters to platform encoding (CVE-2020-27221)

* OpenJDK: Unexpected exceptions raised by DOMKeyInfoFactory and
DOMXMLSignatureFactory (Security, 8231415) (CVE-2020-2773)

* OpenJDK: Credentials sent over unencrypted LDAP connection (JNDI,
8237990) (CVE-2020-14781)

* OpenJDK: Certificate blacklist bypass via alternate certificate encodings
(Libraries, 8237995) (CVE-2020-14782)

* OpenJDK: Race condition in NIO Buffer boundary checks (Libraries,
8244136) (CVE-2020-14803)

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.

4. 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 IBM Java must be restarted for this update to take
effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1823224 - CVE-2020-2773 OpenJDK: Unexpected exceptions raised by DOMKeyInfoFactory and DOMXMLSignatureFactory (Security, 8231415)
1889274 - CVE-2020-14781 OpenJDK: Credentials sent over unencrypted LDAP connection (JNDI, 8237990)
1889290 - CVE-2020-14782 OpenJDK: Certificate blacklist bypass via alternate certificate encodings (Libraries, 8237995)
1889895 - CVE-2020-14803 OpenJDK: Race condition in NIO Buffer boundary checks (Libraries, 8244136)
1928555 - CVE-2020-27221 IBM JDK: Stack-based buffer overflow when converting from UTF-8 characters to platform encoding

6. Package List:

Red Hat Enterprise Linux 8 Supplementary:

ppc64le:
java-1.8.0-ibm-1.8.0.6.25-2.el8_3.ppc64le.rpm
java-1.8.0-ibm-demo-1.8.0.6.25-2.el8_3.ppc64le.rpm
java-1.8.0-ibm-devel-1.8.0.6.25-2.el8_3.ppc64le.rpm
java-1.8.0-ibm-headless-1.8.0.6.25-2.el8_3.ppc64le.rpm
java-1.8.0-ibm-jdbc-1.8.0.6.25-2.el8_3.ppc64le.rpm
java-1.8.0-ibm-plugin-1.8.0.6.25-2.el8_3.ppc64le.rpm
java-1.8.0-ibm-src-1.8.0.6.25-2.el8_3.ppc64le.rpm
java-1.8.0-ibm-webstart-1.8.0.6.25-2.el8_3.ppc64le.rpm

s390x:
java-1.8.0-ibm-1.8.0.6.25-2.el8_3.s390x.rpm
java-1.8.0-ibm-demo-1.8.0.6.25-2.el8_3.s390x.rpm
java-1.8.0-ibm-devel-1.8.0.6.25-2.el8_3.s390x.rpm
java-1.8.0-ibm-headless-1.8.0.6.25-2.el8_3.s390x.rpm
java-1.8.0-ibm-jdbc-1.8.0.6.25-2.el8_3.s390x.rpm
java-1.8.0-ibm-src-1.8.0.6.25-2.el8_3.s390x.rpm

x86_64:
java-1.8.0-ibm-1.8.0.6.25-2.el8_3.x86_64.rpm
java-1.8.0-ibm-demo-1.8.0.6.25-2.el8_3.x86_64.rpm
java-1.8.0-ibm-devel-1.8.0.6.25-2.el8_3.x86_64.rpm
java-1.8.0-ibm-headless-1.8.0.6.25-2.el8_3.x86_64.rpm
java-1.8.0-ibm-jdbc-1.8.0.6.25-2.el8_3.x86_64.rpm
java-1.8.0-ibm-plugin-1.8.0.6.25-2.el8_3.x86_64.rpm
java-1.8.0-ibm-src-1.8.0.6.25-2.el8_3.x86_64.rpm
java-1.8.0-ibm-webstart-1.8.0.6.25-2.el8_3.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-2773
https://access.redhat.com/security/cve/CVE-2020-14781
https://access.redhat.com/security/cve/CVE-2020-14782
https://access.redhat.com/security/cve/CVE-2020-14803
https://access.redhat.com/security/cve/CVE-2020-27221
https://access.redhat.com/security/updates/classification/#critical

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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