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Red Hat 7: RHSA-2021:0733-01 Critical Update: IBM Java Buffer Overflow

red hat
Calendar Grey March 4, 2021
Dist Redhat Esm H88
Make sure your Ubuntu Server 20.04 is fortified by applying the most recent python3.8 security patch which tackles significant vulnerabilities.
An update for java-1.7.1-ibm is now available for Red Hat Enterprise Linux 7 Supplementary

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.

Summary

IBM Java SE version 7 Release 1 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit.
This update upgrades IBM Java SE 7 to version 7R1 SR4-FP80.
Security Fix(es):
* IBM JDK: Stack-based buffer overflow when converting from UTF-8 characters to platform encoding (CVE-2020-27221)
* 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.

Topics%20covered

Topics Covered

security advisory buffer overflow critical software update security fix Red Hat Enterprise Linux critical update race condition IBM Java NIO race condition

References

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

Package List

Red Hat Enterprise Linux Client Supplementary (v. 7):
x86_64: java-1.7.1-ibm-1.7.1.4.80-1jpp.1.el7.x86_64.rpm java-1.7.1-ibm-demo-1.7.1.4.80-1jpp.1.el7.x86_64.rpm java-1.7.1-ibm-devel-1.7.1.4.80-1jpp.1.el7.x86_64.rpm java-1.7.1-ibm-jdbc-1.7.1.4.80-1jpp.1.el7.x86_64.rpm java-1.7.1-ibm-plugin-1.7.1.4.80-1jpp.1.el7.x86_64.rpm java-1.7.1-ibm-src-1.7.1.4.80-1jpp.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Supplementary (v. 7):
x86_64: java-1.7.1-ibm-1.7.1.4.80-1jpp.1.el7.x86_64.rpm java-1.7.1-ibm-demo-1.7.1.4.80-1jpp.1.el7.x86_64.rpm java-1.7.1-ibm-devel-1.7.1.4.80-1jpp.1.el7.x86_64.rpm java-1.7.1-ibm-src-1.7.1.4.80-1jpp.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Supplementary (v. 7):
ppc64: java-1.7.1-ibm-1.7.1.4.80-1jpp.1.el7.ppc64.rpm java-1.7.1-ibm-demo-1.7.1.4.80-1jpp.1.el7.ppc64.rpm java-1.7.1-ibm-devel-1.7.1.4.80-1jpp.1.el7.ppc64.rpm java-1.7.1-ibm-jdbc-1.7.1.4.80-1jpp.1.el7.ppc64.rpm java-1.7.1-ibm-src-1.7.1.4.80-1jpp.1.el7.ppc64.rpm
ppc64le: java-1.7.1-ibm-1.7.1.4.80-1jpp.1.el7.ppc64le.rpm java-1.7.1-ibm-demo-1.7.1.4.80-1jpp.1.el7.ppc64le.rpm java-1.7.1-ibm-devel-1.7.1.4.80-1jpp.1.el7.ppc64le.rpm java-1.7.1-ibm-jdbc-1.7.1.4.80-1jpp.1.el7.ppc64le.rpm java-1.7.1-ibm-src-1.7.1.4.80-1jpp.1.el7.ppc64le.rpm
s390x: java-1.7.1-ibm-1.7.1.4.80-1jpp.1.el7.s390x.rpm

Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:0733-01
Product: Red Hat Enterprise Linux Supplementary
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0733
Issue date: 2021-03-04

Topic

An update for java-1.7.1-ibm is now available for Red Hat Enterprise Linux7 Supplementary.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory buffer overflow critical software update security fix Red Hat Enterprise Linux critical update race condition IBM Java NIO race condition

Relevant Releases Architectures

Red Hat Enterprise Linux Client Supplementary (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Supplementary (v. 7) - x86_64

Red Hat Enterprise Linux Server Supplementary (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation Supplementary (v. 7) - x86_64

Bugs Fixed

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

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