Discourse up to 3.1.0 Theme Import allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Discourse up to 3.1.0. It has been rated as problematic. Impacted is an unknown function of the component Theme Import Handler. This manipulation causes allocation of resources. This vulnerability is tracked as CVE-2023-41042. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Discourse up to 3.1.0 and classified as problematic. Affected by this vulnerability is an unknown function of the component Theme Import Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. The summary by CVE is:

Discourse is an open-source discussion platform. Prior to version 3.1.1 of the `stable` branch and version 3.2.0.beta1 of the `beta` and `tests-passed` branches, importing a remote theme loads their assets into memory without enforcing limits for file size or number of files. The issue is patched in version 3.1.1 of the `stable` branch and version 3.2.0.beta1 of the `beta` and `tests-passed` branches. There are no known workarounds.

The weakness was disclosed 09/16/2023 as GHSA-2fq5-x3mm-v254. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-41042 since 08/22/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 3.1.1 or 3.2.0.beta1 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 4.9
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / 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 3.1.1/3.2.0.beta1

Timelineinfo

08/22/2023 🔍
09/16/2023 +25 days 🔍
09/16/2023 +0 days 🔍
10/12/2023 +26 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-2fq5-x3mm-v254
Status: Confirmed

CVE: CVE-2023-41042 (🔍)
GCVE (CVE): GCVE-0-2023-41042
GCVE (VulDB): GCVE-100-239827

Entryinfo

Created: 09/16/2023 08:10
Updated: 10/12/2023 10:52
Changes: 09/16/2023 08:10 (49), 10/12/2023 10:52 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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