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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : OpenLDAP vulnerability (USN-4352-1)

high Nessus Plugin ID 136401

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Synopsis

The remote Ubuntu host is missing a security update.

Description

It was discovered that OpenLDAP incorrectly handled certain queries. A remote attacker could possibly use this issue to cause OpenLDAP to consume resources, resulting in a denial of service.

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 packages.

See Also

https://ubuntu.com/security/notices/USN-4352-1

Plugin Details

Severity: High

ID: 136401

File Name: ubuntu_USN-4352-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 5/7/2020

Updated: 10/21/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2020-12243

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:slapd, p-cpe:/a:canonical:ubuntu_linux:slapd-contrib, p-cpe:/a:canonical:ubuntu_linux:slapd-smbk5pwd, p-cpe:/a:canonical:ubuntu_linux:slapi-dev, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ldap-utils, p-cpe:/a:canonical:ubuntu_linux:libldap-2.4-2, p-cpe:/a:canonical:ubuntu_linux:libldap-common, p-cpe:/a:canonical:ubuntu_linux:libldap2-dev

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/6/2020

Vulnerability Publication Date: 4/28/2020

Reference Information

CVE: CVE-2020-12243

IAVB: 2020-B-0028-S

USN: 4352-1