Exim 4.87 < 4.92 Remote Command Execution

critical Nessus Plugin ID 125737

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Synopsis

The remote mail server is potentially affected by a remote command execution vulnerability.

Description

According to its banner, the version of Exim running on the remote host is between 4.87 and 4.91 (inclusive). It is, therefore, potentially affected by a remote command execution vulnerability. A flaw exists in the deliver_message() function that could allow an attacker to execute arbitrary commands via a specially crafted email.

Solution

Upgrade to Exim 4.92 or later.

Plugin Details

Severity: Critical

ID: 125737

File Name: exim_4_92.nasl

Version: 1.12

Type: remote

Family: SMTP problems

Published: 6/6/2019

Updated: 12/5/2022

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A: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: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:exim:exim

Required KB Items: Settings/ParanoidReport

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/10/2019

Vulnerability Publication Date: 6/5/2019

CISA Known Exploited Vulnerability Due Dates: 7/10/2022

Exploitable With

CANVAS (CANVAS)

Metasploit (Exim 4.87 - 4.91 Local Privilege Escalation)

Reference Information

CVE: CVE-2019-10149

CISA-NCAS: AA22-011A

Detections

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