Debian DSA-4536-1 : exim4 - security update

critical Nessus Plugin ID 129414

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Synopsis

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

Description

A buffer overflow flaw was discovered in Exim, a mail transport agent.
A remote attacker can take advantage of this flaw to cause a denial of service, or potentially the execution of arbitrary code.

Solution

Upgrade the exim4 packages.

For the stable distribution (buster), this problem has been fixed in version 4.92-8+deb10u3.

Plugin Details

Severity: Critical

ID: 129414

File Name: debian_DSA-4536.nasl

Version: 1.7

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/30/2019

Updated: 3/9/2022

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

CVSS Score Source: CVE-2019-16928

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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:H/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: 9/28/2019

Vulnerability Publication Date: 9/27/2019

CISA Known Exploited Vulnerability Due Dates: 3/17/2022

Reference Information

CVE: CVE-2019-16928

DSA: 4536

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