RHEL 7 : python-cryptography (RHSA-2018:3600)

high Nessus Plugin ID 194135

Synopsis

The remote Red Hat host is missing a security update for python-cryptography.

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2018:3600 advisory.

The python-cryptography packages contain a Python Cryptographic Authority's (PyCA's) cryptography library, which provides cryptographic primitives and recipes to Python developers.

Security Fix(es):

* python-cryptography: GCM tag forgery via truncated tag in finalize_with_tag API (CVE-2018-10903)

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 this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL python-cryptography package based on the guidance in RHSA-2018:3600.

See Also

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

https://bugzilla.redhat.com/show_bug.cgi?id=1602931

http://www.nessus.org/u?99625f9a

https://access.redhat.com/errata/RHSA-2018:3600

Plugin Details

Severity: High

ID: 194135

File Name: redhat-RHSA-2018-3600.nasl

Version: 1.1

Type: local

Agent: unix

Published: 4/27/2024

Updated: 6/3/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-10903

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:python2-cryptography, p-cpe:/a:redhat:enterprise_linux:python-cryptography, 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: 11/13/2018

Vulnerability Publication Date: 7/30/2018

Reference Information

CVE: CVE-2018-10903

CWE: 20

RHSA: 2018:3600