Discourse up to 2.0.x/3.0.x allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Discourse up to 2.0.x/3.0.x. This affects an unknown part. The manipulation leads to allocation of resources. This vulnerability is listed as CVE-2023-22740. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Discourse up to 2.0.x/3.0.x and classified as problematic. This issue affects an unknown functionality. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

Discourse is an open source platform for community discussion. Versions prior to 3.1.0.beta1 (beta) (tests-passed) are vulnerable to Allocation of Resources Without Limits. Users can create chat drafts of an unlimited length, which can cause a denial of service by generating an excessive load on the server. Additionally, an unlimited number of drafts were loaded when loading the user. This issue has been patched in version 2.1.0.beta1 (beta) and (tests-passed). Users should upgrade to the latest version where a limit has been introduced. There are no workarounds available.

The weakness was presented 01/27/2023 as GHSA-pwj4-rf62-p224. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-22740 since 01/06/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 2.1.0.beta1 or 3.1.0.beta1 eliminates this vulnerability. Applying the patch 5eaf0802398ff06604f03b27a28dd274f2ffa576 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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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 2.1.0.beta1/3.1.0.beta1
Patch: 5eaf0802398ff06604f03b27a28dd274f2ffa576

Timelineinfo

01/06/2023 🔍
01/27/2023 +21 days 🔍
01/27/2023 +0 days 🔍
02/19/2023 +23 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-pwj4-rf62-p224
Status: Confirmed

CVE: CVE-2023-22740 (🔍)
GCVE (CVE): GCVE-0-2023-22740
GCVE (VulDB): GCVE-100-219353

Entryinfo

Created: 01/27/2023 08:12
Updated: 02/19/2023 15:31
Changes: 01/27/2023 08:12 (50), 02/19/2023 15:31 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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