REDHAT-BUG-1328059
First published: Mon Apr 18 2016(Updated: )
It was discovered that the GCM (Galois/Counter Mode) implementation in the JCE component of OpenJDK used non-constant time comparison when comparing GCM authentication tag. A remote attacker could possibly use this flaw to determine correct value of the authentication tag and bypass authentication protections of GCM.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenJDK 17 |
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Reference Links
- http://www.oracle.com/technetwork/topics/security/cpuapr2016-2881694.html#AppendixJAVA
- https://rhn.redhat.com/errata/RHSA-2016-0651.html
- https://rhn.redhat.com/errata/RHSA-2016-0650.html
- https://rhn.redhat.com/errata/RHSA-2016-0677.html
- http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/4c53be81bc7a
- https://rhn.redhat.com/errata/RHSA-2016-0701.html
- https://rhn.redhat.com/errata/RHSA-2016-0702.html
- https://rhn.redhat.com/errata/RHSA-2016-0708.html
- https://rhn.redhat.com/errata/RHSA-2016-0716.html
- https://rhn.redhat.com/errata/RHSA-2016-1039.html
- https://access.redhat.com/errata/RHSA-2016:1430
- https://access.redhat.com/errata/RHSA-2017:1216
- https://bugzilla.redhat.com/show_bug.cgi?id=1328059
Frequently Asked Questions
What is the severity of REDHAT-BUG-1328059?
The severity of REDHAT-BUG-1328059 is considered high due to its potential to allow bypass of authentication.
How do I fix REDHAT-BUG-1328059?
To fix REDHAT-BUG-1328059, upgrade to the patched version of OpenJDK provided by Oracle.
What systems are affected by REDHAT-BUG-1328059?
REDHAT-BUG-1328059 affects installations of Oracle OpenJDK, particularly versions that implement GCM.
Can REDHAT-BUG-1328059 be exploited remotely?
Yes, REDHAT-BUG-1328059 can potentially be exploited by a remote attacker if the vulnerable OpenJDK implementation is used.
What is the impact of exploiting REDHAT-BUG-1328059?
Exploiting REDHAT-BUG-1328059 can allow an attacker to determine valid authentication tags, enabling authentication bypass.
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- alias/CVE-2016-3426
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- vendor/oracle
- canonical/openjdk 17