Detections
Analytics

Alpine: multiple opensmtpd packages: security update to 6.6.2p1-r0

critical Tenable Self-Hosted Container Security Plugin ID 406032

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote
 attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell
 metacharacters in a MAIL FROM field. This affects the "uncommented" default configuration. The issue
 exists because of an incorrect return value upon failure of input validation. (CVE-2020-7247)

See Also

https://security.alpinelinux.org/vuln/CVE-2020-7247

Plugin Details

Severity: Critical

ID: 406032

Version: Revision 1.31

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.47

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 1/29/2020

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