Debian DSA-5512-1 : exim4 - security update

critical Nessus Plugin ID 182426

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5512 advisory.

- NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability [fedora-all] (CVE-2023-42114)

- AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability [fedora-all] (CVE-2023-42115)

- SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability [fedora-all] (CVE-2023-42116)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the exim4 packages.

For the stable distribution (bookworm), these problems have been fixed in version 4.96-15+deb12u2.

Plugin Details

Severity: Critical

ID: 182426

File Name: debian_DSA-5512.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 10/2/2023

Updated: 2/19/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2023-42116

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: p-cpe:/a:debian:debian_linux:exim4, p-cpe:/a:debian:debian_linux:exim4-base, p-cpe:/a:debian:debian_linux:exim4-config, p-cpe:/a:debian:debian_linux:exim4-daemon-heavy, p-cpe:/a:debian:debian_linux:exim4-daemon-light, p-cpe:/a:debian:debian_linux:exim4-dev, p-cpe:/a:debian:debian_linux:eximon4, cpe:/o:debian:debian_linux:11.0, cpe:/o:debian:debian_linux:12.0

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: 10/2/2023

Vulnerability Publication Date: 10/2/2023

Reference Information

CVE: CVE-2023-42114, CVE-2023-42115, CVE-2023-42116

IAVA: 2023-A-0521-S

Detections

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