Mattermost Server up to 7.8.6/7.9.4/7.10.2 Board Link resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Mattermost Server up to 7.8.6/7.9.4/7.10.2. This vulnerability affects unknown code of the component Board Link Handler. Executing a manipulation can lead to resource consumption. This vulnerability is tracked as CVE-2023-3585. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mattermost Server up to 7.8.6/7.9.4/7.10.2 and classified as problematic. This vulnerability affects some unknown functionality of the component Board Link Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

Mattermost Boards fail to properly validate a board link, allowing an attacker to crash a channel by posting a specially crafted boards link.

The weakness was disclosed 07/17/2023. The advisory is shared for download at mattermost.com. This vulnerability was named CVE-2023-3585 since 07/10/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 7.8.7, 7.9.5 or 7.10.3 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

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

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

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: Server 7.8.7/7.9.5/7.10.3

Timelineinfo

07/10/2023 🔍
07/17/2023 +7 days 🔍
07/17/2023 +0 days 🔍
07/17/2023 +0 days 🔍

Sourcesinfo

Advisory: mattermost.com
Status: Confirmed

CVE: CVE-2023-3585 (🔍)
GCVE (CVE): GCVE-0-2023-3585
GCVE (VulDB): GCVE-100-234292

Entryinfo

Created: 07/17/2023 19:13
Changes: 07/17/2023 19:13 (50)
Complete: 🔍
Cache ID: 216::103

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