Mattermost up to 7.0.x JPEG Image resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Mattermost up to 7.0.x. Affected by this issue is an unknown function of the component JPEG Image Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The software 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. Impacted is availability. CVE summarizes:

Mattermost version 7.0.x and earlier fails to sufficiently limit the in-memory sizes of concurrently uploaded JPEG images, which allows authenticated users to cause resource exhaustion on specific system configurations, resulting in server-side Denial of Service.

The weakness was presented 09/10/2022. The advisory is shared for download at hackerone.com. This vulnerability is handled as CVE-2022-3147 since 09/07/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 7.1.0 eliminates this vulnerability.

Productinfo

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

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

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CNA Base Score: 3.1
CNA Vector (Mattermost, Inc.): 🔒

CVSSv2info

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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
ATT&CK: T1499

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: Mattermost 7.1.0

Timelineinfo

09/07/2022 CVE reserved
09/10/2022 +3 days Advisory disclosed
09/10/2022 +0 days VulDB entry created
03/20/2023 +191 days VulDB last update

Sourcesinfo

Advisory: hackerone.com
Status: Confirmed

CVE: CVE-2022-3147 (🔒)

Entryinfo

Created: 09/10/2022 07:37 AM
Updated: 03/20/2023 12:24 PM
Changes: 09/10/2022 07:37 AM (47), 10/15/2022 08:09 AM (11), 03/20/2023 12:24 PM (8)
Complete: 🔍

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