CVE Details

Release Date:2011-12-25


Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.2 and earlier, and Heimdal 1.5.1 and earlier allows remote attackers to execute arbitrary code via a long encryption key, as exploited in the wild in December 2011.

See more information about CVE-2011-4862 from MITRE CVE dictionary and NIST NVD

CVSS v2.0 metrics

NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score: 10 Base Metrics: AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector: Network Attack Complexity: Low
Authentication: None required Confidentiality Impact: Complete
Integrity Impact: Complete Availability Impact: Complete

Errata information

PlatformErrataRelease Date
Oracle Enterprise Linux version 4 (krb5)ELSA-2011-18512011-12-27
Oracle Linux version 5 (krb5)ELSA-2011-18512011-12-27
Oracle Linux version 6 (krb5-appl)ELSA-2011-18522011-12-27

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team