CVE-2016-2181

CVE Details

Release Date:	2016-07-05
Impact:	Moderate	What is this?

Description

The Anti-Replay feature in the DTLS implementation in OpenSSL before1.1.0 mishandles early use of a new epoch number in conjunction with a large sequence number, which allows remote attackers to cause a denial of service (false-positive packet drops) via spoofed DTLS records, related to rec_layer_d1.c and ssl3_record.c.

See more information about CVE-2016-2181 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:	4.3
Vector String:	AV:N/AC:M/Au:N/C:N/I:N/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (openssl)	ELSA-2016-1940	2016-09-27
Oracle Linux version 6 (openssl)	ELSA-2016-3621	2016-09-27
Oracle Linux version 7 (openssl)	ELSA-2016-1940	2016-09-27
Oracle Linux version 7 (openssl)	ELSA-2016-3621	2016-09-27
Oracle VM version 3.3 (openssl)	OVMSA-2016-0135	2016-09-27
Oracle VM version 3.4 (openssl)	OVMSA-2016-0135	2016-09-27