Ubuntu 18.04 LTS / 18.10 : exim4 vulnerability (USN-4010-1)

critical Nessus Plugin ID 125770

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

It was discovered that Exim incorrectly handled certain decoding operations. A remote attacker could possibly use this issue to execute arbitrary commands.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected exim4-daemon-heavy and / or exim4-daemon-light packages.

See Also

https://usn.ubuntu.com/4010-1/

Plugin Details

Severity: Critical

ID: 125770

File Name: ubuntu_USN-4010-1.nasl

Version: 1.14

Type: local

Agent: unix

Published: 6/7/2019

Updated: 2/25/2022

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:H/RL:OF/RC:C

CVSS Score Source: CVE-2019-10149

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: E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:exim4-daemon-heavy, p-cpe:/a:canonical:ubuntu_linux:exim4-daemon-light, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.10

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/5/2019

Vulnerability Publication Date: 6/5/2019

CISA Known Exploited Dates: 7/10/2022

Exploitable With

CANVAS (CANVAS)

Metasploit (Exim 4.87 - 4.91 Local Privilege Escalation)

Reference Information

CVE: CVE-2019-10149

USN: 4010-1

CISA-NCAS: AA22-011A