Debian DSA-4912-1 : exim4 - security update

critical Nessus Plugin ID 149275

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Synopsis

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

Description

The Qualys Research Labs reported several vulnerabilities in Exim, a mail transport agent, which could result in local privilege escalation and remote code execution.

Details can be found in the Qualys advisory at https://www.qualys.com/2021/05/04/21nails/21nails.txt

Solution

Upgrade the exim4 packages.

For the stable distribution (buster), these problems have been fixed in version 4.92-8+deb10u6.

Plugin Details

Severity: Critical

ID: 149275

File Name: debian_DSA-4912.nasl

Version: 1.8

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 5/5/2021

Updated: 4/11/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 7.3

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

CVSS Score Source: CVE-2020-28026

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:exim4

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: 5/4/2021

Vulnerability Publication Date: 5/6/2021

Reference Information

CVE: CVE-2020-28007, CVE-2020-28008, CVE-2020-28009, CVE-2020-28010, CVE-2020-28011, CVE-2020-28012, CVE-2020-28013, CVE-2020-28014, CVE-2020-28015, CVE-2020-28017, CVE-2020-28019, CVE-2020-28021, CVE-2020-28022, CVE-2020-28023, CVE-2020-28024, CVE-2020-28025, CVE-2020-28026

DSA: 4912

IAVA: 2021-A-0216-S

Detections

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