Oracle Linux 8 : krb5 (ELSA-2021-3576)

high Nessus Plugin ID 153574

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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-2021-3576 advisory.

- Fix KDC null deref on TGS inner body null server (CVE-2021-37750)
- Fix KDC null deref on bad encrypted challenge (CVE-2021-36222)

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.

Plugin Details

Severity: High

ID: 153574

File Name: oraclelinux_ELSA-2021-3576.nasl

Version: 1.6

Type: local

Agent: unix

Family: Oracle Linux Local Security Checks

Published: 9/23/2021

Updated: 11/1/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2021-36222

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:N/I:N/A:H

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:krb5-pkinit, p-cpe:/a:oracle:linux:krb5-server-ldap, p-cpe:/a:oracle:linux:libkadm5, p-cpe:/a:oracle:linux:krb5-workstation, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:krb5-server, p-cpe:/a:oracle:linux:krb5-devel, p-cpe:/a:oracle:linux:krb5-libs

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: 9/23/2021

Vulnerability Publication Date: 7/22/2021

Reference Information

CVE: CVE-2021-36222, CVE-2021-37750

IAVB: 2021-B-0054-S

Detections

Analytics