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Security Advisories: GSA_kwCzR0hTQS1jMzdyLXY4angtN2N2Ms4AA3Xi

Mattermost Uncontrolled Resource Consumption vulnerability

Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string.

Permalink: https://github.com/advisories/GHSA-c37r-v8jx-7cv2
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1jMzdyLXY4angtN2N2Ms4AA3Xi
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: 5 months ago
Updated: 5 months ago

CVSS Score: 4.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Identifiers: GHSA-c37r-v8jx-7cv2, CVE-2023-40703
References:

Blast Radius: 9.6

Affected Packages

go:github.com/mattermost/mattermost-server/v6

Dependent packages: 111
Dependent repositories: 168
Downloads:
Affected Version Ranges: < 7.8.13
Fixed in: 7.8.13
All affected versions: 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5, 6.3.0, 6.3.1, 6.3.2, 6.3.3, 6.3.4, 6.3.5, 6.3.6, 6.3.7, 6.3.8, 6.3.9, 6.3.10, 6.4.0, 6.4.1, 6.4.2, 6.4.3, 6.5.0, 6.5.1, 6.5.2, 6.6.0, 6.6.1, 6.6.2, 6.7.0, 6.7.1, 6.7.2
All unaffected versions:

go:github.com/mattermost/mattermost/server/v8

Dependent packages: 2
Dependent repositories: 1
Downloads:
Affected Version Ranges: < 8.1.4, >= 9.0.0, < 9.0.2, >= 9.1.0, < 9.1.1
Fixed in: 8.1.4, 9.0.2, 9.1.1
All affected versions:
All unaffected versions: