CVE-2011-0284: Double Free

Published Mar 20, 2011
·
Updated

Double free vulnerability in the prepareerroras function in doasreq.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an edata field containing typed data.

Affected Software

7 affected components
MIT Kerberos 5=1.7
MIT Kerberos 5=1.7.1
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=1.9

Event History

Mar 20, 2011
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2011-0284?

CVE-2011-0284 has a high severity rating due to its potential to cause daemon crashes or enable arbitrary code execution.

2

What versions of MIT Kerberos 5 are affected by CVE-2011-0284?

CVE-2011-0284 affects MIT Kerberos 5 versions 1.7 through 1.9 when the PKINIT feature is enabled.

3

How do I fix CVE-2011-0284?

To fix CVE-2011-0284, update to a patched version of MIT Kerberos 5 that addresses this double free vulnerability.

4

What type of vulnerability is CVE-2011-0284?

CVE-2011-0284 is a double free vulnerability that can lead to denial of service and potentially allow arbitrary code execution.

5

Can attackers exploit CVE-2011-0284 remotely?

Yes, attackers can exploit CVE-2011-0284 remotely, which poses a significant risk to systems using the affected versions of MIT Kerberos 5.

Contact

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