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Ubuntu 16.04 LTS / 18.04 LTS : OpenLDAP vulnerabilities (USN-4078-1)

high Nessus Plugin ID 127794

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Synopsis

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

Description

It was discovered that OpenLDAP incorrectly handled rootDN delegation.
A database administrator could use this issue to request authorization as an identity from another database, contrary to expectations.
(CVE-2019-13057)

It was discovered that OpenLDAP incorrectly handled SASL authentication and session encryption. After a first SASL bind was completed, it was possible to obtain access by performing simple binds, contrary to expectations. (CVE-2019-13565).

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-4078-1

Plugin Details

Severity: High

ID: 127794

File Name: ubuntu_USN-4078-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 8/12/2019

Updated: 10/20/2023

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: 3.7

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

CVSS Score Source: CVE-2019-13565

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:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:slapd, p-cpe:/a:canonical:ubuntu_linux:slapd-smbk5pwd, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-: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 Ease: No known exploits are available

Patch Publication Date: 7/30/2019

Vulnerability Publication Date: 7/26/2019

Reference Information

CVE: CVE-2019-13057, CVE-2019-13565

USN: 4078-1