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FreeBSD : OpenSMTPd -- critical LPE / RCE vulnerability (08f5c27d-4326-11ea-af8b-00155d0a0200)

critical Nessus Plugin ID 133327

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Synopsis

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

Description

OpenSMTPD developers report :

An incorrect check allows an attacker to trick mbox delivery into executing arbitrary commands as root and lmtp delivery into executing arbitrary commands as an unprivileged user

Solution

Update the affected package.

See Also

https://www.openwall.com/lists/oss-security/2020/01/28/3

http://www.nessus.org/u?a356904a

Plugin Details

Severity: Critical

ID: 133327

File Name: freebsd_pkg_08f5c27d432611eaaf8b00155d0a0200.nasl

Version: 1.8

Type: local

Published: 1/30/2020

Updated: 4/25/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

CVSS Score Source: CVE-2020-7247

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:opensmtpd, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/29/2020

Vulnerability Publication Date: 1/28/2020

CISA Known Exploited Vulnerability Due Dates: 4/15/2022

Exploitable With

Core Impact

Metasploit (OpenSMTPD MAIL FROM Remote Code Execution)

Reference Information

CVE: CVE-2020-7247