GHSA-5662-2RJ7-F2V6

Vulnerability from github – Published: 2025-08-04 15:22 – Updated: 2025-08-04 15:22
VLAI?
Summary
copyparty allows Regex Denial of Service (ReDoS) in the upload listing
Details

Summary

The filter parameter for the "Recent uploads" page allows arbitrary Regexes. If this feature is enabled (which is the default), an attacker can craft a filter which deadlocks the server.

PoC

https://127.0.0.1:3923/?ru&filter=(.+)+x

Impact

The server becomes fully inaccessible for a long time.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.18.8"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "copyparty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.18.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-54796"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-08-04T15:22:23Z",
    "nvd_published_at": "2025-08-02T00:15:26Z",
    "severity": "HIGH"
  },
  "details": "### Summary\nThe `filter` parameter for the \"Recent uploads\" page allows arbitrary Regexes. If this feature is enabled (which is the default), an attacker can craft a filter which deadlocks the server.\n\n### PoC\n`https://127.0.0.1:3923/?ru\u0026filter=(.+)+x`\n\n### Impact\nThe server becomes fully inaccessible for a long time.",
  "id": "GHSA-5662-2rj7-f2v6",
  "modified": "2025-08-04T15:22:23Z",
  "published": "2025-08-04T15:22:23Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/9001/copyparty/security/advisories/GHSA-5662-2rj7-f2v6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-54796"
    },
    {
      "type": "WEB",
      "url": "https://github.com/9001/copyparty/commit/09910ba80784c3980947d92f45db696398c0fd83"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/9001/copyparty"
    },
    {
      "type": "WEB",
      "url": "https://github.com/9001/copyparty/releases/tag/v1.18.9"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "copyparty allows Regex Denial of Service (ReDoS) in the upload listing"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.