Vulnerability-Lookup

GHSA-XFHP-GMH8-R8V2

Vulnerability from github – Published: 2021-03-19 21:22 – Updated: 2023-09-08 20:24

Summary

printf vulnerable to Regular Expression Denial of Service (ReDoS)

Details

The package printf before 0.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex string

/\%(?:\(([\w_.]+)\)|([1-9]\d*)\$)?([0 +\-\]*)(\*|\d+)?(\.)?(\*|\d+)?[hlL]?([\%bscdeEfFgGioOuxX])/g

in lib/printf.js. The vulnerable regular expression has cubic worst-case time complexity.

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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "printf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-23354"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-03-15T18:59:14Z",
    "nvd_published_at": "2021-03-12T15:15:00Z",
    "severity": "HIGH"
  },
  "details": "The package printf before 0.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex string \n```regex\n/\\%(?:\\(([\\w_.]+)\\)|([1-9]\\d*)\\$)?([0 +\\-\\]*)(\\*|\\d+)?(\\.)?(\\*|\\d+)?[hlL]?([\\%bscdeEfFgGioOuxX])/g\n```\n in `lib/printf.js`. The vulnerable regular expression has cubic worst-case time complexity.",
  "id": "GHSA-xfhp-gmh8-r8v2",
  "modified": "2023-09-08T20:24:11Z",
  "published": "2021-03-19T21:22:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23354"
    },
    {
      "type": "WEB",
      "url": "https://github.com/adaltas/node-printf/issues/31"
    },
    {
      "type": "WEB",
      "url": "https://github.com/adaltas/node-printf/pull/32"
    },
    {
      "type": "WEB",
      "url": "https://github.com/adaltas/node-printf/commit/a8502e7c9b0b22555696a2d8ef67722086413a68"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JS-PRINTF-1072096"
    }
  ],
  "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": "printf vulnerable to Regular Expression Denial of Service (ReDoS)"
}

CVE-2021-23354 (GCVE-0-2021-23354)

Vulnerability from cvelistv5 – Published: 2021-03-12 15:10 – Updated: 2024-09-17 03:32

Title

Regular Expression Denial of Service (ReDoS)

Summary

The package printf before 0.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex string /\%(?:$([\w_.]+)$|([1-9]\d*)\$)?([0 +\-\]*)(\*|\d+)?(\.)?(\*|\d+)?[hlL]?([\%bscdeEfFgGioOuxX])/g in lib/printf.js. The vulnerable regular expression has cubic worst-case time complexity.

Severity ?

5.3 (Medium)


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

CWE

Regular Expression Denial of Service (ReDoS)

Assigner

snyk

References

URL

Tags

	https://snyk.io/vuln/SNYK-JS-PRINTF-1072096	x_refsource_MISC
	https://github.com/adaltas/node-printf/pull/32	x_refsource_MISC
	https://github.com/adaltas/node-printf/issues/31	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	printf	Affected: unspecified , < 0.6.1 (custom)

Credits

Yeting Li

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:05:55.674Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://snyk.io/vuln/SNYK-JS-PRINTF-1072096"
          },
          {
            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://github.com/adaltas/node-printf/pull/32"
          },
          {
            "tags": [
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            ],
            "url": "https://github.com/adaltas/node-printf/issues/31"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "printf",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "0.6.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Yeting Li"
        }
      ],
      "datePublic": "2021-03-12T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The package printf before 0.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex string /\\%(?:\\(([\\w_.]+)\\)|([1-9]\\d*)\\$)?([0 +\\-\\]*)(\\*|\\d+)?(\\.)?(\\*|\\d+)?[hlL]?([\\%bscdeEfFgGioOuxX])/g in lib/printf.js. The vulnerable regular expression has cubic worst-case time complexity."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "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:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Regular Expression Denial of Service (ReDoS)",
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              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-03-12T15:10:15",
        "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
        "shortName": "snyk"
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      "references": [
        {
          "tags": [
            "x_refsource_MISC"
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          "url": "https://snyk.io/vuln/SNYK-JS-PRINTF-1072096"
        },
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          "url": "https://github.com/adaltas/node-printf/pull/32"
        },
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/adaltas/node-printf/issues/31"
        }
      ],
      "title": "Regular Expression Denial of Service (ReDoS)",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "report@snyk.io",
          "DATE_PUBLIC": "2021-03-12T15:08:10.668042Z",
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        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "printf",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "0.6.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
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            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Yeting Li"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "eng",
              "value": "The package printf before 0.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex string /\\%(?:\\(([\\w_.]+)\\)|([1-9]\\d*)\\$)?([0 +\\-\\]*)(\\*|\\d+)?(\\.)?(\\*|\\d+)?[hlL]?([\\%bscdeEfFgGioOuxX])/g in lib/printf.js. The vulnerable regular expression has cubic worst-case time complexity."
            }
          ]
        },
        "impact": {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://snyk.io/vuln/SNYK-JS-PRINTF-1072096",
              "refsource": "MISC",
              "url": "https://snyk.io/vuln/SNYK-JS-PRINTF-1072096"
            },
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  "cveMetadata": {
    "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
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    "datePublished": "2021-03-12T15:10:16.014140Z",
    "dateReserved": "2021-01-08T00:00:00",
    "dateUpdated": "2024-09-17T03:32:43.212Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

GHSA-XFHP-GMH8-R8V2

CVE-2021-23354 (GCVE-0-2021-23354)

Tags

Sightings

Nomenclature