CVE-2011-0284

Description

Double free vulnerability in the prepare_error_as function in do_as_req.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 e_data field containing typed data.

Category

7.6
CVSS
Severity: High
CVSS 2.0 •
EPSS 24.19% Top 5%
Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory secunia.com Vendor Advisory mit.edu Vendor Advisory vupen.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.vupen.com/english/advisories/2011/0680 vdb entry
http://www.kb.cert.org/vuls/id/943220 us government resource third party advisory patch
http://www.vupen.com/english/advisories/2011/0673 vdb entry vendor advisory
http://www.securityfocus.com/bid/46881 vdb entry
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056579.html vendor advisory
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txt patch vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66101 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html vendor advisory
http://www.vupen.com/english/advisories/2011/0722 vdb entry
http://www.vupen.com/english/advisories/2011/0763 vdb entry
http://www.ubuntu.com/usn/USN-1088-1 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056413.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056573.html vendor advisory
http://secunia.com/advisories/43700 third party advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:048 vendor advisory
http://www.redhat.com/support/errata/RHSA-2011-0356.html vendor advisory
http://www.vupen.com/english/advisories/2011/0672 vdb entry vendor advisory
http://secunia.com/advisories/43783 third party advisory vendor advisory
http://secunia.com/advisories/43760 third party advisory
http://osvdb.org/71183 vdb entry
http://www.securityfocus.com/archive/1/517029/100/0/threaded mailing list
http://securitytracker.com/id?1025216 vdb entry
http://secunia.com/advisories/43881 third party advisory

Frequently Asked Questions

What is the severity of CVE-2011-0284?
CVE-2011-0284 has been scored as a high severity vulnerability.
How to fix CVE-2011-0284?
To fix CVE-2011-0284, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-0284 being actively exploited in the wild?
It is possible that CVE-2011-0284 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~24% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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