PT-2021-18226 · Unknown · Matrix Media Repo

Mr-Zheev + 1 · CVE-2021-29453 · Published 2021-04-19 · Updated 2022-08-03

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: matrix-media-repo versions 1.2.6 and earlier

Description: The issue arises from improper handling of malicious images that are small in file size but large in complexity. A malicious user can upload a small image using specific formats that expands to extremely large dimensions during thumbnailing, causing the server to exhaust its memory and leading to denial of service.

Recommendations: For versions 1.2.6 and earlier, update to version 1.2.7 to resolve the issue.

Fix

Allocation of Resources Without Limits

Resource Exhaustion

Weakness Enumeration

CWE-770

CWE-400

Related Identifiers

CVE-2021-29453

GHSA-J889-H476-HH9H

Affected Products

Matrix Media Repo

References · 5

• https://github.com/turt2live/matrix-media-repo/security/advisories/GHSA-j889-h476-hh9h · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-29453 · Security Note
• https://osv.dev/vulnerability/CVE-2021-29453 · Vendor Advisory
• https://github.com/turt2live/matrix-media-repo/releases/tag/v1.2.7 · Note
• https://hub.docker.com/r/turt2live/matrix-media-repo/tags?page=1&ordering=last_updated · Note