REDHAT-BUG-1889280: Integer Overflow
First published: Mon Oct 19 2020(Updated: )
It was discovered that the Hotspot component of OpenJDK did not properly check for integer overflows when when optimizing code, leading to out-of-bounds access. An untrusted Java application or applet could use this flaw to bypass certain Java sandbox restrictions.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Build of OpenJDK with Hotspot |
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Reference Links
- https://www.oracle.com/security-alerts/cpuoct2020.html#AppendixJAVA
- https://access.redhat.com/errata/RHSA-2020:4306
- https://access.redhat.com/errata/RHSA-2020:4305
- https://access.redhat.com/security/cve/cve-2020-14792
- https://access.redhat.com/errata/RHSA-2020:4307
- https://access.redhat.com/errata/RHSA-2020:4316
- http://hg.openjdk.java.net/jdk-updates/jdk11u/rev/ed3959f95671
- http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/824065fb8b18
- https://access.redhat.com/errata/RHSA-2020:4349
- https://access.redhat.com/errata/RHSA-2020:4347
- https://access.redhat.com/errata/RHSA-2020:4352
- https://access.redhat.com/errata/RHSA-2020:4348
- https://access.redhat.com/errata/RHSA-2020:4350
- https://bugzilla.redhat.com/show_bug.cgi?id=1889280
Frequently Asked Questions
What is the severity of REDHAT-BUG-1889280?
The severity of REDHAT-BUG-1889280 is considered high due to the potential for bypassing Java sandbox restrictions.
How do I fix REDHAT-BUG-1889280?
To fix REDHAT-BUG-1889280, update to the latest version of OpenJDK Hotspot that addresses this vulnerability.
What causes the vulnerability REDHAT-BUG-1889280?
The vulnerability REDHAT-BUG-1889280 is caused by improper checking for integer overflows in the Hotspot component of OpenJDK.
Who is affected by REDHAT-BUG-1889280?
Users running untrusted Java applications or applets on systems with vulnerable versions of OpenJDK Hotspot are affected by REDHAT-BUG-1889280.
What are the potential impacts of REDHAT-BUG-1889280?
The potential impacts of REDHAT-BUG-1889280 include unauthorized access and execution of code that could bypass Java security measures.
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- canonical/microsoft build of openjdk with hotspot