Detections
Analytics

Ubuntu 14.04 LTS : OpenLDAP vulnerabilities (USN-7698-1)

high Nessus Plugin ID 252281

Language:

Synopsis

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

Description

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7698-1 advisory.

 It was discovered that OpenLDAP incorrectly handled Certificate Exact Assertion processing. A remote attacker could possibly use this issue to cause OpenLDAP to crash, resulting in a denial of service.
 (CVE-2020-36221)

 It was discovered that OpenLDAP incorrectly handled saslAuthzTo processing. A remote attacker could use this issue to cause OpenLDAP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-36222, CVE-2020-36224, CVE-2020-36225, CVE-2020-36226)

 It was discovered that OpenLDAP incorrectly handled Return Filter control handling. A remote attacker could use this issue to cause OpenLDAP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-36223)

 It was discovered that OpenLDAP incorrectly handled certain cancel operations. A remote attacker could possibly use this issue to cause OpenLDAP to crash, resulting in a denial of service. (CVE-2020-36227)

 It was discovered that OpenLDAP incorrectly handled Certificate List Extract Assertion processing. A remote attacker could possibly use this issue to cause OpenLDAP to crash, resulting in a denial of service. (CVE-2020-36228)

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-7698-1

Plugin Details

Severity: High

ID: 252281

File Name: ubuntu_USN-7698-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 8/19/2025

Updated: 8/19/2025

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: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-36228

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:canonical:ubuntu_linux:ldap-utils, p-cpe:/a:canonical:ubuntu_linux:libldap-2.4-2, p-cpe:/a:canonical:ubuntu_linux:slapd, p-cpe:/a:canonical:ubuntu_linux:slapd-smbk5pwd, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libldap2-dev

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/17/2025

Vulnerability Publication Date: 1/25/2021

Reference Information

CVE: CVE-2020-36221, CVE-2020-36222, CVE-2020-36223, CVE-2020-36224, CVE-2020-36225, CVE-2020-36226, CVE-2020-36227, CVE-2020-36228

USN: 7698-1