RHEL 7 : pyOpenSSL (RHSA-2019:0085)

high Nessus Plugin ID 194081

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2019:0085 advisory.

The pyOpenSSL packages provide a high-level wrapper around a subset of the OpenSSL library for the Python programming language.

Security Fix(es):

* pyOpenSSL: Use-after-free in X509 object handling (CVE-2018-1000807)

* pyOpenSSL: Failure to release memory before removing last reference in PKCS #12 Store (CVE-2018-1000808)

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL pyOpenSSL package based on the guidance in RHSA-2019:0085.

See Also

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=1640216

https://bugzilla.redhat.com/show_bug.cgi?id=1640217

https://bugzilla.redhat.com/show_bug.cgi?id=1642296

http://www.nessus.org/u?b0f1b73f

https://access.redhat.com/errata/RHSA-2019:0085

Plugin Details

Severity: High

ID: 194081

File Name: redhat-RHSA-2019-0085.nasl

Version: 1.3

Type: local

Agent: unix

Published: 4/27/2024

Updated: 11/6/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2018-1000807

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:pyopenssl, p-cpe:/a:redhat:enterprise_linux:python2-pyopenssl, 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: 1/16/2019

Vulnerability Publication Date: 10/8/2018

Reference Information

CVE: CVE-2018-1000807, CVE-2018-1000808

CWE: 400, 416

RHSA: 2019:0085