GLSA-201612-16 : OpenSSL: Multiple vulnerabilities

Critical Nessus Plugin ID 95602

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201612-16 (OpenSSL: Multiple vulnerabilities)

Multiple vulnerabilities have been discovered in OpenSSL. Please review the CVE identifiers and the International Association for Cryptologic Research’s (IACR) paper, “Make Sure DSA Signing Exponentiations Really are Constant-Time” for further details.
Impact :

Remote attackers could cause a Denial of Service condition or have other unspecified impacts. Additionally, a time based side-channel attack may allow a local attacker to recover a private DSA key.
Workaround :

There is no known workaround at this time.

Solution

All OpenSSL users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=dev-libs/openssl-1.0.2j'

See Also

https://eprint.iacr.org/2016/594.pdf

https://security.gentoo.org/glsa/201612-16

Plugin Details

Severity: Critical

ID: 95602

File Name: gentoo_GLSA-201612-16.nasl

Version: 3.3

Type: local

Published: 2016/12/07

Updated: 2019/04/11

Dependencies: 12634

Risk Information

Risk Factor: Critical

CVSS v2.0

Base Score: 10

Temporal Score: 7.8

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

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

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:openssl, cpe:/o:gentoo:linux

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2016/12/07

Reference Information

CVE: CVE-2016-2105, CVE-2016-2106, CVE-2016-2107, CVE-2016-2108, CVE-2016-2109, CVE-2016-2176, CVE-2016-2177, CVE-2016-2178, CVE-2016-2180, CVE-2016-2183, CVE-2016-6304, CVE-2016-6305, CVE-2016-6306, CVE-2016-7052

GLSA: 201612-16