Discourse up to 2.8.11/2.9.0.beta.12 Notification information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Discourse up to 2.8.11/2.9.0.beta.12. This issue affects an unknown code of the component Notification Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Discourse is an open-source discussion platform. In stable versions prior to 2.8.12 and beta or tests-passed versions prior to 2.9.0.beta.13, under certain conditions, a user can see notifications for topics they no longer have access to. If there is sensitive information in the topic title, it will therefore have been exposed. This issue is patched in stable version 2.8.12, beta version 2.9.0.beta13, and tests-passed version 2.9.0.beta13. There are no workarounds available.

The weakness was presented 11/28/2022 as GHSA-354r-jpj5-53c2. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-41944 since 09/30/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 2.8.12 or 2.9.0.beta.13 eliminates this vulnerability. Applying the patch c6ee28ec756436cc9ce154dd2c8e4c441f92f693 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.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

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

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 3.5
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

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 2.8.12/2.9.0.beta.13
Patch: c6ee28ec756436cc9ce154dd2c8e4c441f92f693

Timelineinfo

09/30/2022 🔍
11/28/2022 +59 days 🔍
11/28/2022 +0 days 🔍
12/23/2022 +25 days 🔍

Sourcesinfo

Advisory: GHSA-354r-jpj5-53c2
Status: Confirmed

CVE: CVE-2022-41944 (🔍)
GCVE (CVE): GCVE-0-2022-41944
GCVE (VulDB): GCVE-100-214463

Entryinfo

Created: 11/28/2022 08:46 PM
Updated: 12/23/2022 08:04 PM
Changes: 11/28/2022 08:46 PM (52), 12/23/2022 08:04 PM (11)
Complete: 🔍
Cache ID: 18:A52:40

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