CVE-2017-3731

CVE Details

Release Date:	2017-01-26
Impact:	Moderate	What is this?

Description

If an SSL/TLS server or client is running on a 32-bit host, and aspecific cipher is being used, then a truncated packet can cause that server or client to perform an out-of-bounds read, usually resulting in a crash. For OpenSSL 1.1.0, the crash can be triggered when using CHACHA20/POLY1305; users should upgrade to 1.1.0d. For Openssl 1.0.2, the crash can be triggered when using RC4-MD5; users who have not disabled that algorithm should update to 1.0.2k.

See more information about CVE-2017-3731 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:	5.0
Vector String:	AV:N/AC:L/Au:N/C:N/I:N/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (openssl)	ELSA-2017-0286	2017-02-20
Oracle Linux version 7 (openssl)	ELSA-2017-0286	2017-02-20
Oracle VM version 3.3 (openssl)	OVMSA-2017-0042	2017-02-21
Oracle VM version 3.4 (openssl)	OVMSA-2017-0042	2017-02-21