CVE-2011-4151: Input Validation
First published: Thu Oct 20 2011(Updated: )
The krb5_db2_lockout_audit function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4, when the db2 (aka Berkeley DB) back end is used, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via unspecified vectors, a different vulnerability than CVE-2011-1528.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MIT Kerberos 5 | =1.8 | |
| MIT Kerberos 5 | =1.8.1 | |
| MIT Kerberos 5 | =1.8.2 | |
| MIT Kerberos 5 | =1.8.3 | |
| MIT Kerberos 5 | =1.8.4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2011-4151?
CVE-2011-4151 is classified as a denial of service vulnerability.
How do I fix CVE-2011-4151?
To mitigate CVE-2011-4151, upgrade MIT Kerberos 5 to version 1.8.5 or later.
Who is affected by CVE-2011-4151?
CVE-2011-4151 affects users of MIT Kerberos 5 versions 1.8 through 1.8.4 using the db2 backend.
What types of attacks can exploit CVE-2011-4151?
Attackers can exploit CVE-2011-4151 to cause a denial of service via unspecified vectors.
When was CVE-2011-4151 disclosed?
CVE-2011-4151 was disclosed on December 7, 2011.
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- canonical/mit kerberos 5
- version/mit kerberos 5/1.8
- version/mit kerberos 5/1.8.1
- version/mit kerberos 5/1.8.2
- version/mit kerberos 5/1.8.3
- version/mit kerberos 5/1.8.4