GNU Mailman Postorius up to 1.3.4 POST Request views/list.py access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in GNU Mailman Postorius up to 1.3.4 and classified as critical. Affected by this vulnerability is an unknown functionality of the file views/list.py of the component POST Request Handler. This manipulation causes access control. The identification of this vulnerability is CVE-2021-40347. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in GNU Mailman Postorius up to 1.3.4 (Mail Client Software) and classified as critical. Affected by this vulnerability is an unknown part of the file views/list.py of the component POST Request Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 09/10/2021. It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2021-40347 since 08/31/2021. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 1.3.5 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at gitlab.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mailman Postorius 1.3.5
Patch: gitlab.com

Timelineinfo

08/31/2021 🔍
09/10/2021 +10 days 🔍
09/10/2021 +0 days 🔍
09/16/2021 +6 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: dsa-4970
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-40347 (🔍)
GCVE (CVE): GCVE-0-2021-40347
GCVE (VulDB): GCVE-100-182479

Entryinfo

Created: 09/10/2021 22:22
Updated: 09/16/2021 09:13
Changes: 09/10/2021 22:22 (43), 09/16/2021 09:12 (2), 09/16/2021 09:13 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!