Debian DSA-4970-1 : postorius - security update

medium Nessus Plugin ID 153201

Synopsis

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

Description

The remote Debian 10 / 11 host has a package installed that is affected by a vulnerability as referenced in the dsa-4970 advisory.

- An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5. An attacker (logged into any account) can send a crafted POST request to unsubscribe any user from a mailing list, also revealing whether that address was subscribed in the first place. (CVE-2021-40347)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the postorius packages.

For the stable distribution (bullseye), this problem has been fixed in version 1.3.4-2+deb11u1.

See Also

https://security-tracker.debian.org/tracker/source-package/postorius

https://www.debian.org/security/2021/dsa-4970

https://security-tracker.debian.org/tracker/CVE-2021-40347

https://packages.debian.org/source/buster/postorius

https://packages.debian.org/source/bullseye/postorius

Plugin Details

Severity: Medium

ID: 153201

File Name: debian_DSA-4970.nasl

Version: 1.5

Type: local

Agent: unix

Published: 9/10/2021

Updated: 12/1/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.3

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.3

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

CVSS Score Source: CVE-2021-40347

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:python3-django-postorius, cpe:/o:debian:debian_linux:10.0, cpe:/o:debian:debian_linux:11.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/9/2021

Vulnerability Publication Date: 9/9/2021

Reference Information

CVE: CVE-2021-40347