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Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : Heimdal vulnerability (USN-5766-1)

high Nessus Plugin ID 168489

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5766-1 advisory.

 - Heimdal is an implementation of ASN.1/DER, PKIX, and Kerberos. Versions prior to 7.7.1 are vulnerable to a denial of service vulnerability in Heimdal's PKI certificate validation library, affecting the KDC (via PKINIT) and kinit (via PKINIT), as well as any third-party applications using Heimdal's libhx509. Users should upgrade to Heimdal 7.7.1 or 7.8. There are no known workarounds for this issue. (CVE-2022-41916)

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 affected packages.

See Also

https://ubuntu.com/security/notices/USN-5766-1

Plugin Details

Severity: High

ID: 168489

File Name: ubuntu_USN-5766-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 12/8/2022

Updated: 7/10/2023

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

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2022-41916

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: cpe:/o:canonical:ubuntu_linux:16.04:-:esm, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:heimdal-clients, p-cpe:/a:canonical:ubuntu_linux:heimdal-clients-x, p-cpe:/a:canonical:ubuntu_linux:heimdal-dev, p-cpe:/a:canonical:ubuntu_linux:heimdal-kcm, p-cpe:/a:canonical:ubuntu_linux:heimdal-kdc, p-cpe:/a:canonical:ubuntu_linux:heimdal-multidev, p-cpe:/a:canonical:ubuntu_linux:heimdal-servers, p-cpe:/a:canonical:ubuntu_linux:heimdal-servers-x, p-cpe:/a:canonical:ubuntu_linux:libasn1-8-heimdal, p-cpe:/a:canonical:ubuntu_linux:libgssapi3-heimdal, p-cpe:/a:canonical:ubuntu_linux:libhcrypto4-heimdal, p-cpe:/a:canonical:ubuntu_linux:libhdb9-heimdal, p-cpe:/a:canonical:ubuntu_linux:libheimbase1-heimdal, p-cpe:/a:canonical:ubuntu_linux:libheimntlm0-heimdal, p-cpe:/a:canonical:ubuntu_linux:libhx509-5-heimdal, p-cpe:/a:canonical:ubuntu_linux:libkadm5clnt7-heimdal, p-cpe:/a:canonical:ubuntu_linux:libkadm5srv8-heimdal, p-cpe:/a:canonical:ubuntu_linux:libkafs0-heimdal, p-cpe:/a:canonical:ubuntu_linux:libkdc2-heimdal, p-cpe:/a:canonical:ubuntu_linux:libkrb5-26-heimdal, p-cpe:/a:canonical:ubuntu_linux:libotp0-heimdal, p-cpe:/a:canonical:ubuntu_linux:libroken18-heimdal, p-cpe:/a:canonical:ubuntu_linux:libsl0-heimdal, p-cpe:/a:canonical:ubuntu_linux:libwind0-heimdal

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 12/7/2022

Vulnerability Publication Date: 11/15/2022

Reference Information

CVE: CVE-2022-41916

USN: 5766-1