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Security Advisories: GSA_kwCzR0hTQS1tN3c0LXE1dmctNXhmcM4AAvBm

Mattermost subject to Denial of Service via upload of special GIF

Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.

Permalink: https://github.com/advisories/GHSA-m7w4-q5vg-5xfp
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1tN3c0LXE1dmctNXhmcM4AAvBm
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 1 year ago
Updated: about 1 year ago


CVSS Score: 6.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-m7w4-q5vg-5xfp, CVE-2022-3257
References: Blast Radius: 14.5

Affected Packages

go:github.com/mattermost/mattermost-server/v6
Dependent packages: 111
Dependent repositories: 168
Downloads:
Affected Version Ranges: >= 7.1.0, < 7.2.0
Fixed in: 7.2.0
All affected versions:
All unaffected 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