Detections
Analytics

Oracle Linux 8 : openssl (ELSA-2023-7877)

critical Nessus Plugin ID 187091

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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-7877 advisory.

 - Backport implicit rejection mechanism for RSA PKCS#1 v1.5 to RHEL-8 series (a proper fix for CVE-2020-25659) Resolves: RHEL-17696
 - Fix CVE-2023-5678: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow Resolves: RHEL-16538
 - Fix CVE-2023-3446: Excessive time spent checking DH keys and parameters Resolves: RHEL-14245

Tenable has extracted the preceding description block directly from the Oracle 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 affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2023-7877.html

Plugin Details

Severity: Critical

ID: 187091

File Name: oraclelinux_ELSA-2023-7877.nasl

Version: 1.5

Type: local

Agent: unix

Published: 12/19/2023

Updated: 11/2/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2023-5678

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:N/A:L

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2023-3446

Vulnerability Information

CPE: cpe:/o:oracle:linux:8::baseos_latest, p-cpe:/a:oracle:linux:openssl-perl, cpe:/o:oracle:linux:8, cpe:/o:oracle:linux:8:9:baseos_patch, p-cpe:/a:oracle:linux:openssl-devel, p-cpe:/a:oracle:linux:openssl-libs, p-cpe:/a:oracle:linux:openssl

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/18/2023

Vulnerability Publication Date: 7/13/2023

Reference Information

CVE: CVE-2023-3446, CVE-2023-3817, CVE-2023-5678

IAVA: 2023-A-0398-S, 2024-A-0121-S