REDHAT-BUG-2294676
First published: Fri Jun 28 2024(Updated: )
In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message token handling by sending message tokens with invalid length fields. Reference and upstream patch: <a href="https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fef">https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fef</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Kerberos | <1.21.3 |
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Reference Links
- https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fef
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2294680
- https://access.redhat.com/errata/RHSA-2024:4734
- https://access.redhat.com/errata/RHSA-2024:4743
- https://access.redhat.com/errata/RHSA-2024:5076
- https://access.redhat.com/errata/RHSA-2024:5312
- https://access.redhat.com/errata/RHSA-2024:5316
- https://access.redhat.com/errata/RHSA-2024:5630
- https://access.redhat.com/errata/RHSA-2024:5625
- https://access.redhat.com/errata/RHSA-2024:5643
- https://access.redhat.com/errata/RHSA-2024:5884
- https://access.redhat.com/errata/RHSA-2024:6166
- https://access.redhat.com/errata/RHSA-2024:7213
- https://access.redhat.com/errata/RHSA-2024:7374
- https://access.redhat.com/errata/RHSA-2025:1671
- https://access.redhat.com/errata/RHSA-2025:1673
- https://bugzilla.redhat.com/show_bug.cgi?id=2294676
Frequently Asked Questions
What is the severity of REDHAT-BUG-2294676?
The severity of REDHAT-BUG-2294676 is considered high due to the potential for memory corruption and denial of service.
How do I fix REDHAT-BUG-2294676?
To fix REDHAT-BUG-2294676, upgrade to MIT Kerberos 5 version 1.21.3 or later.
What vulnerabilities are related to REDHAT-BUG-2294676?
REDHAT-BUG-2294676 is related to improper handling of message tokens which can lead to memory reading issues.
Who is affected by REDHAT-BUG-2294676?
Users of MIT Kerberos 5 versions prior to 1.21.3 are affected by REDHAT-BUG-2294676.
What is the nature of the vulnerability in REDHAT-BUG-2294676?
The nature of the vulnerability in REDHAT-BUG-2294676 involves invalid memory reads due to invalid length fields in GSS message tokens.
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