FreeBSD : OpenSSL -- timing vulnerability (6f170cf2-e6b7-11e8-a9a8-b499baebfeaf)

Low Nessus Plugin ID 118901

Synopsis

The remote FreeBSD host is missing a security-related update.

Description

The OpenSSL project reports :

Microarchitecture timing vulnerability in ECC scalar multiplication.
Severity: Low OpenSSL ECC scalar multiplication, used in e.g. ECDSA and ECDH, has been shown to be vulnerable to a microarchitecture timing side channel attack. An attacker with sufficient access to mount local timing attacks during ECDSA signature generation could recover the private key.

Solution

Update the affected package.

See Also

https://www.openssl.org/news/secadv/20181112.txt

http://www.nessus.org/u?c74d652e

Plugin Details

Severity: Low

ID: 118901

File Name: freebsd_pkg_6f170cf2e6b711e8a9a8b499baebfeaf.nasl

Version: 1.3

Type: local

Published: 2018/11/13

Updated: 2019/04/05

Dependencies: 12634

Risk Information

Risk Factor: Low

CVSS v2.0

Base Score: 1.9

Temporal Score: 1.5

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 4.7

Temporal Score: 4.2

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:openssl, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/11/12

Vulnerability Publication Date: 2018/11/12

Reference Information

CVE: CVE-2018-5407