REDHAT-BUG-1471871
First published: Mon Jul 17 2017(Updated: )
A covert timing channel flaw was found in the PKCS#8 implementation in the JCE component of OpenJDK. A remote attacker able to make a Java application repeatedly compared PKCS#8 key against an attacker controlled value could possibly use this flaw to determine the key via a timing side channel.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenJDK 17 |
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Reference Links
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html#AppendixJAVA
- http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/079cd6c5de27
- https://access.redhat.com/errata/RHSA-2017:1792
- https://access.redhat.com/errata/RHSA-2017:1791
- https://access.redhat.com/errata/RHSA-2017:1790
- https://access.redhat.com/errata/RHSA-2017:1789
- https://access.redhat.com/errata/RHSA-2017:2424
- https://bugzilla.redhat.com/show_bug.cgi?id=1471871
Frequently Asked Questions
What is the severity of REDHAT-BUG-1471871?
The severity of REDHAT-BUG-1471871 is considered to be high due to the potential for key exposure through a covert timing channel.
How do I fix REDHAT-BUG-1471871?
To fix REDHAT-BUG-1471871, you should upgrade to the latest version of OpenJDK that addresses this vulnerability.
Who is affected by REDHAT-BUG-1471871?
Users of Oracle OpenJDK, particularly those using versions vulnerable to the PKCS#8 timing channel flaw, are affected by REDHAT-BUG-1471871.
What can be exploited in REDHAT-BUG-1471871?
REDHAT-BUG-1471871 can be exploited by attackers who repeatedly compare PKCS#8 keys, potentially allowing them to infer the key through timing differences.
Is there a workaround for REDHAT-BUG-1471871 if an upgrade isn't possible?
Currently, there are no recommended workarounds for REDHAT-BUG-1471871 other than applying the necessary upgrades to mitigate the flaw.
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