CVE-2011-4862

CVE Details

Release Date:	2011-12-25
Impact:	Critical	What is this?

Description

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

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

CVSS v2 metrics

Base Score:	10.0
Vector String:	AV:N/AC:L/Au:N/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Enterprise Linux version 4 (krb5)	ELSA-2011-1851	2011-12-27
Oracle Linux version 5 (krb5)	ELSA-2011-1851	2011-12-27
Oracle Linux version 6 (krb5-appl)	ELSA-2011-1852	2011-12-27