Debian DSA-4860-1 : openldap - security update

high Nessus Plugin ID 146786

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Synopsis

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

Description

A vulnerability in the Certificate List Exact Assertion validation was discovered in OpenLDAP, a free implementation of the Lightweight Directory Access Protocol. An unauthenticated remote attacker can take advantage of this flaw to cause a denial of service (slapd daemon crash) via specially crafted packets.

Solution

Upgrade the openldap packages.

For the stable distribution (buster), this problem has been fixed in version 2.4.47+dfsg-3+deb10u6.

Plugin Details

Severity: High

ID: 146786

File Name: debian_DSA-4860.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 2/23/2021

Updated: 1/19/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, 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-2021-27212

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: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:openldap

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/20/2021

Vulnerability Publication Date: 2/14/2021

Reference Information

CVE: CVE-2021-27212

DSA: 4860

Detections

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