Ubuntu 16.04 LTS / 18.04 LTS / 19.04 : openldap vulnerabilities (USN-4078-1)

Medium Nessus Plugin ID 127794

Synopsis

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

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 slapd package.

See Also

https://usn.ubuntu.com/4078-1/

Plugin Details

Severity: Medium

ID: 127794

File Name: ubuntu_USN-4078-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2019/08/12

Updated: 2019/09/18

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

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

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:slapd, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:19.04

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

Patch Publication Date: 2019/07/30

Vulnerability Publication Date: 2019/07/26

Reference Information

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

USN: 4078-1