REDHAT-BUG-1413920
First published: Tue Jan 17 2017(Updated: )
A covert timing channel flaw was found in the DSA implementation in the Libraries component of OpenJDK. A remote attacker able to make a Java application generate DSA signatures on demand could possibly use this flaw to extract certain information about the used key via a timing side channel.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenJDK |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html#AppendixJAVA
- http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/3647a1ee5681
- https://rhn.redhat.com/errata/RHSA-2017-0176.html
- https://rhn.redhat.com/errata/RHSA-2017-0175.html
- https://rhn.redhat.com/errata/RHSA-2017-0177.html
- https://rhn.redhat.com/errata/RHSA-2017-0180.html
- https://rhn.redhat.com/errata/RHSA-2017-0263.html
- https://rhn.redhat.com/errata/RHSA-2017-0269.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=1413920
Frequently Asked Questions
What is the severity of REDHAT-BUG-1413920?
The severity of REDHAT-BUG-1413920 is considered critical due to the potential for information leakage via a covert timing channel.
How can I mitigate REDHAT-BUG-1413920?
To mitigate REDHAT-BUG-1413920, you should apply the latest security patches for OpenJDK provided by your vendor.
What systems are affected by REDHAT-BUG-1413920?
REDHAT-BUG-1413920 affects systems running vulnerable versions of OpenJDK that utilize the DSA signature generation.
What is the potential impact of exploiting REDHAT-BUG-1413920?
Exploiting REDHAT-BUG-1413920 could allow an attacker to infer sensitive information about cryptographic keys using timing attacks.
How was REDHAT-BUG-1413920 discovered?
REDHAT-BUG-1413920 was discovered through analysis of the DSA implementation in OpenJDK, highlighting its vulnerability to covert timing channels.
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2016-5548
- agent/source
- agent/references
- agent/description
- agent/severity
- agent/event
- agent/softwarecombine
- agent/tags
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/openjdk
- canonical/openjdk