REDHAT-BUG-1502038
First published: Fri Oct 13 2017(Updated: )
It was discovered that the Kerberos client implementation in the Libraries component of OpenJDK used the sname field from the plain text part rather than encrypted part of the KDC reply. A man-in-the-middle attacker could possibly use this flaw to impersonate Kerberos services to Java applications acting as Kerberos clients.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenJDK 17 |
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Reference Links
- https://www.orpheus-lyre.info/
- https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html#AppendixJAVA
- http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/6805783b9875
- https://access.redhat.com/errata/RHSA-2017:2998
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1502038#c1
- https://access.redhat.com/errata/RHSA-2017:2999
- https://access.redhat.com/errata/RHSA-2017:3047
- https://access.redhat.com/errata/RHSA-2017:3046
- https://access.redhat.com/errata/RHSA-2017:3264
- https://access.redhat.com/errata/RHSA-2017:3267
- https://access.redhat.com/errata/RHSA-2017:3268
- https://access.redhat.com/errata/RHSA-2017:3392
- https://access.redhat.com/errata/RHSA-2017:3453
- https://bugzilla.redhat.com/show_bug.cgi?id=1502038
Frequently Asked Questions
What is the severity of REDHAT-BUG-1502038?
The severity of REDHAT-BUG-1502038 is high due to its potential for man-in-the-middle attacks.
How do I fix REDHAT-BUG-1502038?
To fix REDHAT-BUG-1502038, update your OpenJDK to the latest version that includes the security patch.
What software is affected by REDHAT-BUG-1502038?
REDHAT-BUG-1502038 affects the OpenJDK 17 implementation used by Oracle.
What type of attack does REDHAT-BUG-1502038 allow?
REDHAT-BUG-1502038 allows a man-in-the-middle attacker to impersonate Kerberos services.
Which component is vulnerable in REDHAT-BUG-1502038?
The Libraries component of OpenJDK is vulnerable as identified in REDHAT-BUG-1502038.
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