CVE-2023-24807 (GCVE-0-2023-24807)

Vulnerability from cvelistv5 – Published: 2023-02-16 17:30 – Updated: 2025-03-10 21:10
VLAI
Title
Undici vulnerable to Regular Expression Denial of Service in Headers
Summary
Undici is an HTTP/1.1 client for Node.js. Prior to version 5.19.1, the `Headers.set()` and `Headers.append()` methods are vulnerable to Regular Expression Denial of Service (ReDoS) attacks when untrusted values are passed into the functions. This is due to the inefficient regular expression used to normalize the values in the `headerValueNormalize()` utility function. This vulnerability was patched in v5.19.1. No known workarounds are available.
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: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-10 20:58 UTC
CWE
  • CWE-20 - Improper Input Validation
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7642 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
nodejs undici Affected: < 5.19.1
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-03-10T20:58:28.706642Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-03-10T20:58:30.352Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "undici",
              "vendor": "nodejs",
              "versions": [
                {
                  "status": "affected",
                  "version": "\u003c 5.19.1"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Undici is an HTTP/1.1 client for Node.js. Prior to version 5.19.1, the `Headers.set()` and `Headers.append()` methods are vulnerable to Regular Expression Denial of Service (ReDoS) attacks when untrusted values are passed into the functions. This is due to the inefficient regular expression used to normalize the values in the `headerValueNormalize()` utility function. This vulnerability was patched in v5.19.1. No known workarounds are available."
            }
          ],
          "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-20",
                  "description": "CWE-20: Improper Input Validation",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-02-16T17:30:19.923Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
          },
          "references": [
            {
              "name": "https://github.com/nodejs/undici/security/advisories/GHSA-r6ch-mqf9-qc9w",
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://github.com/nodejs/undici/security/advisories/GHSA-r6ch-mqf9-qc9w"
            },
            {
              "name": "https://github.com/nodejs/undici/commit/f2324e549943f0b0937b09fb1c0c16cc7c93abdf",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/nodejs/undici/commit/f2324e549943f0b0937b09fb1c0c16cc7c93abdf"
            },
            {
              "name": "https://github.com/nodejs/undici/releases/tag/v5.19.1",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/nodejs/undici/releases/tag/v5.19.1"
            },
            {
              "name": "https://hackerone.com/bugs?report_id=1784449",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://hackerone.com/bugs?report_id=1784449"
            }
          ],
          "source": {
            "advisory": "GHSA-r6ch-mqf9-qc9w",
            "discovery": "UNKNOWN"
          },
          "title": "Undici vulnerable to Regular Expression Denial of Service in Headers"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2023-24807",
        "datePublished": "2023-02-16T17:30:19.923Z",
        "dateReserved": "2023-01-30T14:43:33.703Z",
        "dateUpdated": "2025-03-10T21:10:32.171Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.



Related by attack behaviour

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.