REDHAT-BUG-1413923
First published: Tue Jan 17 2017(Updated: )
A covert timing channel flaw was found in the ECDSA implementation in the Libraries component of OpenJDK. A remote attacker able to make a Java application generate ECDSA signatures on demand could possibly use this flaw to extract certain information about the key use via a timing side channel.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenJDK |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=660394
- https://hg.mozilla.org/projects/nss/rev/079cfc4710c7
- http://eprint.iacr.org/2011/232
- http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html#AppendixJAVA
- http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/41594ac7ca27
- https://rhn.redhat.com/errata/RHSA-2017-0176.html
- https://rhn.redhat.com/errata/RHSA-2017-0175.html
- https://rhn.redhat.com/errata/RHSA-2017-0263.html
- https://rhn.redhat.com/errata/RHSA-2017-0337.html
- https://rhn.redhat.com/errata/RHSA-2017-0336.html
- https://rhn.redhat.com/errata/RHSA-2017-0338.html
- https://access.redhat.com/errata/RHSA-2017:1216
- https://bugzilla.redhat.com/show_bug.cgi?id=1413923
Frequently Asked Questions
What is the severity of REDHAT-BUG-1413923?
The severity of REDHAT-BUG-1413923 is considered high due to the potential for remote attackers to extract sensitive information.
How do I fix REDHAT-BUG-1413923?
To fix REDHAT-BUG-1413923, update your OpenJDK installation to the latest patched version provided by your vendor.
What is the nature of the vulnerability in REDHAT-BUG-1413923?
The nature of the vulnerability in REDHAT-BUG-1413923 is a covert timing channel flaw in the ECDSA implementation of OpenJDK.
Who can be affected by REDHAT-BUG-1413923?
Anyone using OpenJDK for Java applications that generate ECDSA signatures can be affected by REDHAT-BUG-1413923.
Is REDHAT-BUG-1413923 exploitable remotely?
Yes, REDHAT-BUG-1413923 is potentially exploitable remotely by attackers capable of inducing ECDSA signature generation.
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