Exim deliver_message() Function Remote Command Execution Vulnerability (Remote)

critical Nessus Plugin ID 127100

Synopsis

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

Description

The version of Exim on the remote host is affected by a remote command execution vulnerability in the deliver_message() function of '/src/deliver.c'. An unauthenticated remote attacker can exploit this, via a crafted message, to execute arbitrary command. Nessus was able to cause the remote host to ping the scanner.

Solution

Upgrade to a patched version of Exim.

See Also

http://www.nessus.org/u?16a2ac7f

http://www.nessus.org/u?9de8f07f

http://www.nessus.org/u?cf324cac

https://exim.org/static/doc/security/CVE-2019-10149.txt

Plugin Details

Severity: Critical

ID: 127100

File Name: exim_deliver_message_cmd_exec.nbin

Version: 1.28

Type: remote

Published: 7/29/2019

Updated: 7/19/2022

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: cpe:/a:exim:exim

Exploit Available: true

Exploit Ease: Exploits are available

Exploited by Nessus: true

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

BID: 108679

CISA-NCAS: AA22-011A