RHEL 7 : openssl (RHSA-2018:3221)

medium Nessus Plugin ID 118534

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

An update for openssl is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.

Security Fix(es) :

* openssl: ROHNP - Key Extraction Side Channel in Multiple Crypto Libraries (CVE-2018-0495)

* openssl: Malicious server can send large prime to client during DH(E) TLS handshake causing the client to hang (CVE-2018-0732)

* openssl: Handling of crafted recursive ASN.1 structures can cause a stack overflow and resulting denial of service (CVE-2018-0739)

* openssl: Malformed X.509 IPAdressFamily could cause OOB read (CVE-2017-3735)

* openssl: RSA key generation cache timing vulnerability in crypto/rsa/ rsa_gen.c allows attackers to recover private keys (CVE-2018-0737)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?3395ff0b

https://access.redhat.com/errata/RHSA-2018:3221

https://access.redhat.com/security/cve/cve-2017-3735

https://access.redhat.com/security/cve/cve-2018-0495

https://access.redhat.com/security/cve/cve-2018-0732

https://access.redhat.com/security/cve/cve-2018-0737

https://access.redhat.com/security/cve/cve-2018-0739

Plugin Details

Severity: Medium

ID: 118534

File Name: redhat-RHSA-2018-3221.nasl

Version: 1.6

Type: local

Agent: unix

Published: 10/31/2018

Updated: 2/1/2022

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent

Risk Information

CVSS Score Source: CVE-2017-3735

VPR

Risk Factor: Medium

Score: 5.1

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:openssl, p-cpe:/a:redhat:enterprise_linux:openssl-debuginfo, p-cpe:/a:redhat:enterprise_linux:openssl-devel, p-cpe:/a:redhat:enterprise_linux:openssl-libs, p-cpe:/a:redhat:enterprise_linux:openssl-perl, p-cpe:/a:redhat:enterprise_linux:openssl-static, cpe:/o:redhat:enterprise_linux:7

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 10/30/2018

Vulnerability Publication Date: 8/28/2017

Reference Information

CVE: CVE-2017-3735, CVE-2018-0495, CVE-2018-0732, CVE-2018-0737, CVE-2018-0739

RHSA: 2018:3221