VDB-179729 · CVE-2021-32788 · GCVE-0-2021-32788

Discourse up to 2.7.6 Whisper Post exposure of resource

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Discourse up to 2.7.6. Affected by this vulnerability is an unknown functionality of the component Whisper Post Handler. The manipulation leads to exposure of resource. This vulnerability is traded as CVE-2021-32788. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Discourse up to 2.7.6. It has been rated as problematic. This issue affects an unknown code of the component Whisper Post Handler. The manipulation with an unknown input leads to a exposure of resource vulnerability. Using CWE to declare the problem leads to CWE-668. The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource. Impacted is confidentiality.

The weakness was shared 07/28/2021. The advisory is shared at github.com. The identification of this vulnerability is CVE-2021-32788. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.7.7 eliminates this vulnerability. Applying a patch 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

Chat Software

Name

Discourse

Version

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: 4.3
VulDB Meta Temp Score: 4.1

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

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: Exposure of resource
CWE: CWE-668 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Discourse 2.7.7
Patch: github.com

Timelineinfo

05/12/2021 🔍
07/28/2021 +77 days 🔍
07/28/2021 +0 days 🔍
08/05/2021 +8 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-32788 (🔍)
GCVE (CVE): GCVE-0-2021-32788
GCVE (VulDB): GCVE-100-179729

Entryinfo

Created: 07/28/2021 06:58
Updated: 08/05/2021 14:40
Changes: 07/28/2021 06:58 (38), 08/05/2021 14:39 (3), 08/05/2021 14:40 (1)
Complete: 🔍
Cache ID: 216::103