CVE-2023-40703: Uncontrolled Resource Consumption

November 27, 2023 (updated November 28, 2023)

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.

References

github.com/advisories/GHSA-c37r-v8jx-7cv2
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2023-40703

Code Behaviors & Features

Detect and mitigate CVE-2023-40703 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →