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Security Advisories: GSA_kwCzR0hTQS1od2pmLTQ2NjctZ3F3eM4AA5qF
Mattermost allows attackers access to posts in channels they are not a member of
Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.
Permalink: https://github.com/advisories/GHSA-hwjf-4667-gqwxJSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1od2pmLTQ2NjctZ3F3eM4AA5qF
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: about 2 months ago
Updated: about 2 months ago
CVSS Score: 4.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Identifiers: GHSA-hwjf-4667-gqwx, CVE-2024-1942
References:
- https://nvd.nist.gov/vuln/detail/CVE-2024-1942
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-hwjf-4667-gqwx
Affected Packages
go:github.com/mattermost/mattermost/server/v8
Dependent packages: 2Dependent repositories: 1
Downloads:
Affected Version Ranges: < 8.1.9, >= 9.2.0, < 9.2.5, >= 9.3.0, < 9.3.1
Fixed in: 8.1.9, 9.2.5, 9.3.1
All affected versions:
All unaffected versions: