Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 18.10 : Bind vulnerabilities (USN-3893-1)

medium Nessus Plugin ID 122399
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Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

Toshifumi Sakaguchi discovered that Bind incorrectly handled memory. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-5744)

It was discovered that Bind incorrectly handled certain trust anchors when used with the 'managed-keys' feature. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2018-5745)

It was discovered that Bind incorrectly handled certain controls for zone transfers, contrary to expectations. (CVE-2019-6465).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected bind9 package.

See Also

https://usn.ubuntu.com/3893-1/

Plugin Details

Severity: Medium

ID: 122399

File Name: ubuntu_USN-3893-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/22/2019

Updated: 9/17/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2019-6465

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Temporal Vector: E:U/RL:OF/RC:C

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:L/I:N/A:N

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:bind9, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/22/2019

Vulnerability Publication Date: 10/9/2019

Reference Information

CVE: CVE-2018-5744, CVE-2018-5745, CVE-2019-6465

USN: 3893-1