VDB-206416 · CVE-2022-35958 · GHSA-q2rg-m477-8wg7

Discourse Invitation resource consumption

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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Discourse. Affected by this issue is some unknown functionality of the component Invitation Handler. Executing a manipulation can lead to resource consumption. This vulnerability is handled as CVE-2022-35958. The attack can be executed remotely. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in Discourse (version unknown). This vulnerability affects an unknown function of the component Invitation Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Discourse is a 100% open source discussion platform. A malicious user can use the invitation system to spam arbitrary email addresses by sending them invitation emails in some cases. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. There are currently no known workarounds.

The weakness was released 08/15/2022 as GHSA-q2rg-m477-8wg7. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-35958 since 07/15/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Applying the patch cc84ea2444136df443aac33651d596cc8dd0b3e1 is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Chat Software

Name

Discourse

License

open-source

Website

Product: https://github.com/discourse/discourse/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: cc84ea2444136df443aac33651d596cc8dd0b3e1

Timelineinfo

07/15/2022 🔍
08/15/2022 +31 days 🔍
08/15/2022 +0 days 🔍
08/15/2022 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-q2rg-m477-8wg7
Status: Confirmed

CVE: CVE-2022-35958 (🔍)
GCVE (CVE): GCVE-0-2022-35958
GCVE (VulDB): GCVE-100-206416

Entryinfo

Created: 08/15/2022 15:36
Changes: 08/15/2022 15:36 (50)
Complete: 🔍
Cache ID: 216:7D2:103