CVE-2021-41035: Critical severity Eclipse Openj9 vulnerability

Published Oct 25, 2021
·
Updated

Eclipse Openj9 could provide weaker than expected security, caused by the failure to throw IllegalAccessError for MethodHandles that invoke inaccessible interface methods. An attacker could exploit this vulnerability to launch further attacks on the system.

Other sources

IBM JDK 7 SR11 (7.0.11.0), 7.1 SR5 (7.1.5.0), and 8 SR7 (8.0.7.0) fix a flaw in OpenJ9 VM described by upstream as:

In Eclipse Openj9 before version 0.29.0, the JVM does not throw IllegalAccessError for MethodHandles that invoke inaccessible interface methods.

References:

https://www.ibm.com/support/pages/java-sdk-security-vulnerabilities#IBMSecurityUpdateNovember2021 https://bugs.eclipse.org/bugs/showbug.cgi?id=576395 https://github.com/eclipse-openj9/openj9/pull/13740 https://gitlab.eclipse.org/eclipsefdn/emo-team/emo/-/issues/104

— Red Hat

Affected Software

4 affected componentsFixes available
redhat/java<1.8.0-ibm-1:1.8.0.7.0-1jpp.1.el7
1.8.0-ibm-1:1.8.0.7.0-1jpp.1.el7
redhat/java<1.7.1-ibm-1:1.7.1.5.0-1jpp.1.el7
1.7.1-ibm-1:1.7.1.5.0-1jpp.1.el7
redhat/java<1.8.0-ibm-1:1.8.0.7.0-1.el8_5
1.8.0-ibm-1:1.8.0.7.0-1.el8_5
Eclipse Openj9<0.29.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/java to a version that resolves this vulnerability.

    Fixed in 1.8.0-ibm-1:1.8.0.7.0-1jpp.1.el7
  2. Upgrade

    Upgrade redhat/java to a version that resolves this vulnerability.

    Fixed in 1.7.1-ibm-1:1.7.1.5.0-1jpp.1.el7
  3. Upgrade

    Upgrade redhat/java to a version that resolves this vulnerability.

    Fixed in 1.8.0-ibm-1:1.8.0.7.0-1.el8_5
  4. Upgrade

    Upgrade Eclipse OpenJ9 to a version that resolves this vulnerability.

    Fixed in 0.29.0
  5. Upgrade

    Upgrade IBM JDK 7 to a version that resolves this vulnerability.

    Fixed in 7.0.11.0
  6. Upgrade

    Upgrade IBM JDK 7.1 to a version that resolves this vulnerability.

    Fixed in 7.1.5.0
  7. Upgrade

    Upgrade IBM JDK 8 to a version that resolves this vulnerability.

    Fixed in 8.0.7.0

Event History

Oct 25, 2021
CVE Published
via MITRE·03:05 PM
Data Sourced
via MITRE·03:05 PM
DescriptionWeakness
Nov 30, 2021
Data Sourced
via Red Hat·04:39 PM
DescriptionSeverityAffected Software
Dec 2, 2021
Data Sourced
via IBM·12:00 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is CVE-2021-41035?

CVE-2021-41035 is a vulnerability in Eclipse Openj9 that allows a remote attacker to gain elevated privileges on the system.

2

How severe is CVE-2021-41035?

CVE-2021-41035 has a severity score of 7.7, indicating a high severity.

3

Which software is affected by CVE-2021-41035?

The affected software includes Eclipse Openj9 versions before 0.29.0.

4

How can I fix CVE-2021-41035?

To fix CVE-2021-41035, update Eclipse Openj9 to version 0.29.0 or later.

5

Where can I find more information about CVE-2021-41035?

You can find more information about CVE-2021-41035 at the following references: [link1], [link2], [link3].

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