Vulnerability-Lookup

GHSA-5662-2RJ7-F2V6

Vulnerability from github – Published: 2025-08-04 15:22 – Updated: 2025-08-04 15:22

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

JSON

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"
}

CVE-2025-54796 (GCVE-0-2025-54796)

Vulnerability from cvelistv5 – Published: 2025-08-01 23:38 – Updated: 2025-08-04 15:19

Title

Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through "Recent Uploads" page

Summary

Copyparty is a portable file server. Versions prior to 1.18.9, 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. This is fixed in version 1.18.9.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-400 - Uncontrolled Resource Consumption
CWE-1333 - Inefficient Regular Expression Complexity
CWE-833 - Deadlock

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/9001/copyparty/security/adviso…	x_refsource_CONFIRM
https://github.com/9001/copyparty/commit/09910ba8…	x_refsource_MISC
https://github.com/9001/copyparty/releases/tag/v1.18.9	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
9001	copyparty	Affected: < 1.18.9

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-54796",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-04T15:19:56.634822Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-04T15:19:59.399Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/9001/copyparty/security/advisories/GHSA-5662-2rj7-f2v6"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "copyparty",
          "vendor": "9001",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.18.9"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Copyparty is a portable file server. Versions prior to 1.18.9, 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. This is fixed in version 1.18.9."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-1333",
              "description": "CWE-1333: Inefficient Regular Expression Complexity",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-833",
              "description": "CWE-833: Deadlock",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-01T23:38:27.221Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/9001/copyparty/security/advisories/GHSA-5662-2rj7-f2v6",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/9001/copyparty/security/advisories/GHSA-5662-2rj7-f2v6"
        },
        {
          "name": "https://github.com/9001/copyparty/commit/09910ba80784c3980947d92f45db696398c0fd83",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/9001/copyparty/commit/09910ba80784c3980947d92f45db696398c0fd83"
        },
        {
          "name": "https://github.com/9001/copyparty/releases/tag/v1.18.9",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/9001/copyparty/releases/tag/v1.18.9"
        }
      ],
      "source": {
        "advisory": "GHSA-5662-2rj7-f2v6",
        "discovery": "UNKNOWN"
      },
      "title": "Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through \"Recent Uploads\" page"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-54796",
    "datePublished": "2025-08-01T23:38:27.221Z",
    "dateReserved": "2025-07-29T16:50:28.395Z",
    "dateUpdated": "2025-08-04T15:19:59.399Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

Action not permitted

GHSA-5662-2RJ7-F2V6

Summary

PoC

Impact

CVE-2025-54796 (GCVE-0-2025-54796)

Tags

Sightings

Nomenclature