CVEvulnerability

CVE-2023-36460

9.9 CRITICAL Published 2023-07-06 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-07-06
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.9 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1 ([email protected])
9.9 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-22

Description

Mastodon is a free, open-source social network server based on ActivityPub. Starting in version 3.5.0 and prior to versions 3.5.9, 4.0.5, and 4.1.3, attackers using carefully crafted media files can cause Mastodon's media processing code to create arbitrary files at any location. This allows attackers to create and overwrite any file Mastodon has access to, allowing Denial of Service and arbitrary Remote Code Execution. Versions 3.5.9, 4.0.5, and 4.1.3 contain a patch for this issue.

Affected configurations

• joinmastodon mastodon (>= 3.5.0 < 3.5.9) • joinmastodon mastodon (>= 4.0.0 < 4.0.5) • joinmastodon mastodon (>= 4.1.0 < 4.1.3)

Related

Weakness · CWE (1)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References