Discourse up to 3.3.0/3.4.0.beta0 Reply resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Discourse up to 3.3.0/3.4.0.beta0. Affected by this issue is some unknown functionality of the component Reply Handler. The manipulation leads to resource consumption. This vulnerability is listed as CVE-2024-43789. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Discourse up to 3.3.0/3.4.0.beta0. This issue affects some unknown functionality of the component Reply Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

Discourse is an open source platform for community discussion. A user can create a post with many replies, and then attempt to fetch them all at once. This can potentially reduce the availability of a Discourse instance. This problem has been patched in the latest version of Discourse. All users area are advised to upgrade. There are no known workarounds for this vulnerability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2024-43789 since 08/16/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 3.3.1 or 3.4.0.beta1 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub_M): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Discourse 3.3.1/3.4.0.beta1

Timelineinfo

08/16/2024 🔍
10/08/2024 +53 days 🔍
10/08/2024 +0 days 🔍
10/19/2024 +11 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-62cq-cpmc-hvqq
Status: Confirmed

CVE: CVE-2024-43789 (🔍)
GCVE (CVE): GCVE-0-2024-43789
GCVE (VulDB): GCVE-100-279533

Entryinfo

Created: 10/08/2024 07:00
Updated: 10/19/2024 03:25
Changes: 10/08/2024 07:00 (64), 10/11/2024 04:16 (1), 10/19/2024 03:25 (11)
Complete: 🔍
Cache ID: 216::103

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