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Ubuntu 20.04 LTS : Bind vulnerabilities (USN-4399-1)

medium Nessus Plugin ID 137625

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4399-1 advisory.

 It was discovered that Bind incorrectly handled large responses during zone transfers. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2020-8618)

 It was discovered that Bind incorrectly handled certain asterisk characters in zone files. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service.
 (CVE-2020-8619)

Tenable has extracted the preceding description block directly from the Ubuntu 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://ubuntu.com/security/notices/USN-4399-1

Plugin Details

Severity: Medium

ID: 137625

File Name: ubuntu_USN-4399-1.nasl

Version: 1.10

Type: local

Agent: unix

Published: 6/18/2020

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2020-8619

CVSS v3

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 4.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/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:canonical:ubuntu_linux:bind9, p-cpe:/a:canonical:ubuntu_linux:dnsutils, p-cpe:/a:canonical:ubuntu_linux:bind9-dnsutils, p-cpe:/a:canonical:ubuntu_linux:bind9utils, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:bind9-utils, p-cpe:/a:canonical:ubuntu_linux:bind9-host, p-cpe:/a:canonical:ubuntu_linux:bind9-libs

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/17/2020

Vulnerability Publication Date: 6/17/2020

Reference Information

CVE: CVE-2020-8618, CVE-2020-8619

IAVA: 2020-A-0276-S

USN: 4399-1