CVE-2015-1821

CVE Details

Release Date:	2015-04-07
Impact:	Moderate	What is this?

Description

Heap-based buffer overflow in chrony before 1.31.1 allows remoteauthenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder.

See more information about CVE-2015-1821 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:	6.0
Vector String:	AV:N/AC:M/Au:S/C:P/I:P/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	Single
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (chrony)	ELSA-2015-2241	2015-11-23