Vulnerability-Lookup

JVNDB-2016-000159

Vulnerability from jvndb - Published: 2016-09-15 05:26 - Updated:2017-11-27 08:23

Severity

3.7 (Low) - cvssV3_0 - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

H2O use of externally-controlled format string

Details

H2O is an open source web server software. H2O uses externally-controlled format strings (CWE-134) in the code which output error logs. Kazuho Oku reported this vulnerability to IPA to notify users of its solution through JVN. JPCERT/CC and Kazuho Oku coordinated under the Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN94779084/index.html
	CVE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4864
	NVD	https://nvd.nist.gov/vuln/detail/CVE-2016-4864
	Uncontrolled Format String(CWE-134)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

Kazuho Oku

H2O

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000159.html",
  "dc:date": "2017-11-27T17:23+09:00",
  "dcterms:issued": "2016-09-15T14:26+09:00",
  "dcterms:modified": "2017-11-27T17:23+09:00",
  "description": "H2O is an open source web server software. H2O uses externally-controlled format strings (CWE-134) in the code which output error logs.\r\n\r\nKazuho Oku reported this vulnerability to IPA to notify users of its solution through JVN. JPCERT/CC and Kazuho Oku coordinated under the Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000159.html",
  "sec:cpe": {
    "#text": "cpe:/a:h2o_project:h2o",
    "@product": "H2O",
    "@vendor": "Kazuho Oku",
    "@version": "2.2"
  },
  "sec:cvss": [
    {
      "@score": "4.3",
      "@severity": "Medium",
      "@type": "Base",
      "@vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
      "@version": "2.0"
    },
    {
      "@score": "3.7",
      "@severity": "Low",
      "@type": "Base",
      "@vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "@version": "3.0"
    }
  ],
  "sec:identifier": "JVNDB-2016-000159",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN94779084/index.html",
      "@id": "JVN#94779084",
      "@source": "JVN"
    },
    {
      "#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4864",
      "@id": "CVE-2016-4864",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2016-4864",
      "@id": "CVE-2016-4864",
      "@source": "NVD"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-134",
      "@title": "Uncontrolled Format String(CWE-134)"
    }
  ],
  "title": "H2O use of externally-controlled format string"
}

CVE-2016-4864 (GCVE-0-2016-4864)

Vulnerability from cvelistv5 – Published: 2017-05-12 18:00 – Updated: 2024-08-06 00:46

Summary

H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows remote attackers to cause a denial-of-service (DoS) via format string specifiers in a template file via fastcgi, mruby, proxy, redirect or reproxy.

Severity

No CVSS data available.

CWE

Format String Vulnerability

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://github.com/h2o/h2o/issues/1077	x_refsource_CONFIRM
https://jvn.jp/en/jp/JVN94779084/index.html	third-party-advisoryx_refsource_JVN

Impacted products

1 product

Vendor	Product	Version
Kazuho Oku	H2O	Affected: versions 2.0.3 and earlier Affected: versions 2.1.0-beta2 and earlier

Date Public

2016-09-15 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T00:46:38.474Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/h2o/h2o/issues/1077"
          },
          {
            "name": "JVN#94779084",
            "tags": [
              "third-party-advisory",
              "x_refsource_JVN",
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN94779084/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "H2O",
          "vendor": "Kazuho Oku",
          "versions": [
            {
              "status": "affected",
              "version": "versions 2.0.3 and earlier"
            },
            {
              "status": "affected",
              "version": "versions 2.1.0-beta2 and earlier"
            }
          ]
        }
      ],
      "datePublic": "2016-09-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows remote attackers to cause a denial-of-service (DoS) via format string specifiers in a template file via fastcgi, mruby, proxy, redirect or reproxy."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Format String Vulnerability",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-05-12T17:57:01.000Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/h2o/h2o/issues/1077"
        },
        {
          "name": "JVN#94779084",
          "tags": [
            "third-party-advisory",
            "x_refsource_JVN"
          ],
          "url": "https://jvn.jp/en/jp/JVN94779084/index.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vultures@jpcert.or.jp",
          "ID": "CVE-2016-4864",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "H2O",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "versions 2.0.3 and earlier"
                          },
                          {
                            "version_value": "versions 2.1.0-beta2 and earlier"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Kazuho Oku"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows remote attackers to cause a denial-of-service (DoS) via format string specifiers in a template file via fastcgi, mruby, proxy, redirect or reproxy."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Format String Vulnerability"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/h2o/h2o/issues/1077",
              "refsource": "CONFIRM",
              "url": "https://github.com/h2o/h2o/issues/1077"
            },
            {
              "name": "JVN#94779084",
              "refsource": "JVN",
              "url": "https://jvn.jp/en/jp/JVN94779084/index.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2016-4864",
    "datePublished": "2017-05-12T18:00:00.000Z",
    "dateReserved": "2016-05-17T00:00:00.000Z",
    "dateUpdated": "2024-08-06T00:46:38.474Z",
    "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.

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.