REDHAT-BUG-566258
First published: Wed Feb 17 2010(Updated: )
A denial of service flaw was found in Kerberos's GSS-API spnego security mechanism implementation. A remote attacker could use this flaw to cause gss-server crash via invalid ContextFlags for the reqFlags field in the NegTokenInit in spnego_mech.c, which triggers an assertion failure. Similar vulnerability than <a href="https://access.redhat.com/security/cve/CVE-2009-0845">CVE-2009-0845</a>. PGP-signed patch from upstream will be available at: <a href="http://web.mit.edu/kerberos/advisories/2010-002-patch.txt.asc">http://web.mit.edu/kerberos/advisories/2010-002-patch.txt.asc</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Kerberos |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2009-0845
- http://web.mit.edu/kerberos/advisories/2010-002-patch.txt.asc
- http://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2010-002.txt
- http://admin.fedoraproject.org/updates/krb5-1.7.1-6.fc12
- http://admin.fedoraproject.org/updates/krb5-1.7.1-7.fc13
- https://bugzilla.redhat.com/show_bug.cgi?id=566258
Frequently Asked Questions
What is the severity of REDHAT-BUG-566258?
The severity of REDHAT-BUG-566258 is categorized as a denial of service vulnerability.
How do I fix REDHAT-BUG-566258?
To fix REDHAT-BUG-566258, apply the recommended patches and updates provided by your software vendor.
What software is affected by REDHAT-BUG-566258?
REDHAT-BUG-566258 affects MIT Kerberos and its implementations.
Can REDHAT-BUG-566258 be exploited remotely?
Yes, REDHAT-BUG-566258 can be exploited remotely by an attacker.
What impact does REDHAT-BUG-566258 have on systems?
REDHAT-BUG-566258 can lead to a system crash, causing denial of service.
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