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Security Advisories: GSA_kwCzR0hTQS12ODN4LTc4cTMtZ3Iyas4AAp5L

GNU Mailman Postorius Access Control Issues

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.

Permalink: https://github.com/advisories/GHSA-v83x-78q3-gr2j
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS12ODN4LTc4cTMtZ3Iyas4AAp5L
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 2 years ago
Updated: 5 months ago


CVSS Score: 5.4
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Identifiers: GHSA-v83x-78q3-gr2j, CVE-2021-40347
References: Repository: https://gitlab.com/mailman/postorius
Blast Radius: 3.8

Affected Packages

pypi:postorius
Dependent packages: 1
Dependent repositories: 5
Downloads: 849 last month
Affected Version Ranges: < 1.3.5
Fixed in: 1.3.5
All affected versions: 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.1.0, 1.1.1, 1.1.2, 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.3.4
All unaffected versions: 1.3.5, 1.3.6, 1.3.7, 1.3.8, 1.3.9, 1.3.10, 1.3.11, 1.3.12