Vulnerability Details : CVE-2023-36460

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.
Published 2023-07-06 19:15:11
Updated 2023-07-14 19:31:53
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: Directory traversalExecute codeDenial of service

Products affected by CVE-2023-36460

Exploit prediction scoring system (EPSS) score for CVE-2023-36460

EPSS FAQ
32.85%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-36460

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.9
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1
6.0
 NIST
9.9
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1
6.0
 GitHub, Inc.

CWE ids for CVE-2023-36460

  • The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
    Assigned by: security-advisories@github.com (Primary)

References for CVE-2023-36460

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