Vulnerability-Lookup

GHSA-RW72-V6C7-HF9R

Vulnerability from github – Published: 2024-09-02 18:31 – Updated: 2024-09-03 21:03

Summary

ReDoS in urlregex

Details

A vulnerability was found in nescalante urlregex up to 0.5.0 and classified as problematic. This issue affects some unknown processing of the file index.js of the component Backtracking. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.5.1 is able to address this issue. The identifier of the patch is e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9. It is recommended to upgrade the affected component.

Severity

4.3 (Medium)


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

5.3 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

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JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "urlregex"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-36830"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-09-03T21:03:07Z",
    "nvd_published_at": "2024-09-02T18:15:20Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability was found in nescalante urlregex up to 0.5.0 and classified as problematic. This issue affects some unknown processing of the file index.js of the component Backtracking. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.5.1 is able to address this issue. The identifier of the patch is e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9. It is recommended to upgrade the affected component.",
  "id": "GHSA-rw72-v6c7-hf9r",
  "modified": "2024-09-03T21:03:07Z",
  "published": "2024-09-02T18:31:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36830"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nescalante/urlregex/pull/8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nescalante/urlregex/commit/e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/nescalante/urlregex"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nescalante/urlregex/releases/tag/v0.5.1"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.276269"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.276269"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ReDoS in urlregex"
}

CVE-2020-36830 (GCVE-0-2020-36830)

Vulnerability from cvelistv5 – Published: 2024-09-02 16:00 – Updated: 2024-09-03 14:21

Title

nescalante urlregex Backtracking index.js redos

Summary

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

4.3 (Medium)


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

4.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-03 14:16 UTC

CWE

CWE-1333 - Inefficient Regular Expression Complexity

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/?id.276269	vdb-entry
https://vuldb.com/?ctiid.276269	signaturepermissions-required
https://github.com/nescalante/urlregex/pull/8	exploitissue-tracking
https://github.com/nescalante/urlregex/commit/e5a…	patch
https://github.com/nescalante/urlregex/releases/t…	patch

Impacted products

2 products

Vendor	Product	Version
nescalante	urlregex	Affected: 0.1 Affected: 0.2 Affected: 0.3 Affected: 0.4 Affected: 0.5
urlregex_project	urlregex	Affected: 0.1 , ≤ 0.5 (custom) cpe:2.3:a:urlregex_project:urlregex::::::::

Credits

VulDB GitHub Commit Analyzer

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:urlregex_project:urlregex:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "urlregex",
            "vendor": "urlregex_project",
            "versions": [
              {
                "lessThanOrEqual": "0.5",
                "status": "affected",
                "version": "0.1",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-36830",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-03T14:16:38.459021Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-03T14:21:44.280Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "Backtracking"
          ],
          "product": "urlregex",
          "vendor": "nescalante",
          "versions": [
            {
              "status": "affected",
              "version": "0.1"
            },
            {
              "status": "affected",
              "version": "0.2"
            },
            {
              "status": "affected",
              "version": "0.3"
            },
            {
              "status": "affected",
              "version": "0.4"
            },
            {
              "status": "affected",
              "version": "0.5"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "tool",
          "value": "VulDB GitHub Commit Analyzer"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in nescalante urlregex up to 0.5.0 and classified as problematic. This issue affects some unknown processing of the file index.js of the component Backtracking. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.5.1 is able to address this issue. The identifier of the patch is e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9. It is recommended to upgrade the affected component."
        },
        {
          "lang": "de",
          "value": "Eine problematische Schwachstelle wurde in nescalante urlregex bis 0.5.0 gefunden. Hierbei geht es um eine nicht exakt ausgemachte Funktion der Datei index.js der Komponente Backtracking. Durch Manipulation mit unbekannten Daten kann eine inefficient regular expression complexity-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff \u00fcber das Netzwerk. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung. Ein Aktualisieren auf die Version 0.5.1 vermag dieses Problem zu l\u00f6sen. Der Patch wird als e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9 bezeichnet. Als bestm\u00f6gliche Massnahme wird das Einspielen eines Upgrades empfohlen."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 4,
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1333",
              "description": "CWE-1333 Inefficient Regular Expression Complexity",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-02T16:00:05.813Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-276269 | nescalante urlregex Backtracking index.js redos",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/?id.276269"
        },
        {
          "name": "VDB-276269 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.276269"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/nescalante/urlregex/pull/8"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/nescalante/urlregex/commit/e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/nescalante/urlregex/releases/tag/v0.5.1"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2020-08-14T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2020-09-16T00:00:00.000Z",
          "value": "Countermeasure disclosed"
        },
        {
          "lang": "en",
          "time": "2024-08-31T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2024-08-31T13:23:56.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "nescalante urlregex Backtracking index.js redos"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2020-36830",
    "datePublished": "2024-09-02T16:00:05.813Z",
    "dateReserved": "2024-08-31T11:18:12.175Z",
    "dateUpdated": "2024-09-03T14:21:44.280Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

GHSA-RW72-V6C7-HF9R

CVE-2020-36830 (GCVE-0-2020-36830)

Tags

Sightings

Nomenclature

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