Debian DSA-4782-1 : openldap - security update

high Nessus Plugin ID 142189

Synopsis

The remote Debian host is missing a security-related update.

Description

A vulnerability in the handling of normalization with modrdn was discovered in OpenLDAP, a free implementation of the Lightweight Directory Access Protocol. An unauthenticated remote attacker can use this flaw to cause a denial of service (slapd daemon crash) via a specially crafted packet.

Solution

Upgrade the openldap packages.

For the stable distribution (buster), this problem has been fixed in version 2.4.47+dfsg-3+deb10u3.

See Also

https://security-tracker.debian.org/tracker/source-package/openldap

https://packages.debian.org/source/buster/openldap

https://www.debian.org/security/2020/dsa-4782

Plugin Details

Severity: High

ID: 142189

File Name: debian_DSA-4782.nasl

Version: 1.5

Type: local

Agent: unix

Published: 11/2/2020

Updated: 2/13/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Nessus Agent, 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-2020-25692

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:debian:debian_linux:openldap, cpe:/o:debian:debian_linux:10.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/30/2020

Vulnerability Publication Date: 12/8/2020

Reference Information

CVE: CVE-2020-25692

DSA: 4782