Vulnerability-Lookup

GHSA-PPJ4-34RQ-V8J9

Vulnerability from github – Published: 2021-10-25 19:43 – Updated: 2024-05-20 20:41

Summary

github.com/tidwall/gjson Vulnerable to REDoS attack

Details

GJSON is a Go package that provides a fast and simple way to get values from a json document. GJSON before 1.9.3 allows a ReDoS (regular expression denial of service) attack.

Severity

7.5 (High)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/tidwall/gjson"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-42836"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333",
      "CWE-400",
      "CWE-697"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-10-25T18:27:20Z",
    "nvd_published_at": "2021-10-22T18:15:00Z",
    "severity": "HIGH"
  },
  "details": "GJSON is a Go package that provides a fast and simple way to get values from a json document. GJSON before 1.9.3 allows a ReDoS (regular expression denial of service) attack.",
  "id": "GHSA-ppj4-34rq-v8j9",
  "modified": "2024-05-20T20:41:04Z",
  "published": "2021-10-25T19:43:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-42836"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tidwall/gjson/issues/236"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tidwall/gjson/issues/237"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tidwall/gjson/commit/590010fdac311cc8990ef5c97448d4fec8f29944"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tidwall/gjson/commit/77a57fda87dca6d0d7d4627d512a630f89a91c96"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/tidwall/gjson"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tidwall/gjson/compare/v1.9.2...v1.9.3"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2021-0265"
    }
  ],
  "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": "github.com/tidwall/gjson Vulnerable to REDoS attack"
}

CVE-2021-42836 (GCVE-0-2021-42836)

Vulnerability from cvelistv5 – Published: 2021-10-22 17:22 – Updated: 2024-08-04 03:38

Summary

GJSON before 1.9.3 allows a ReDoS (regular expression denial of service) attack.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://github.com/tidwall/gjson/issues/236	x_refsource_MISC
https://github.com/tidwall/gjson/issues/237	x_refsource_MISC
https://github.com/tidwall/gjson/commit/77a57fda8…	x_refsource_MISC
https://github.com/tidwall/gjson/compare/v1.9.2..…	x_refsource_MISC
https://github.com/tidwall/gjson/commit/590010fda…	x_refsource_MISC

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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.

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.