CVE-2015-3405

CVE Details

Release Date:	2015-04-09
Impact:	Low	What is this?

Description

ntp-keygen in ntp 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12does not generate MD5 keys with sufficient entropy on big endian machines when the lowest order byte of the temp variable is between 0x20 and 0x7f and not #, which might allow remote attackers to obtain the value of generated MD5 keys via a brute force attack with the 93 possible keys.

See more information about CVE-2015-3405 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:	4.0
Vector String:	AV:N/AC:H/Au:N/C:P/I:P/A:N
Version:	2.0
Attack Vector:	Network
Attack Complexity:	High
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (ntp)	ELSA-2015-1459	2015-07-28
Oracle Linux version 7 (ntp)	ELSA-2015-2231	2015-11-23
Oracle VM version 3.3 (ntp)	OVMSA-2015-0102	2015-07-29