github - ghsa-c24f-2j3g-rg48

ghsa-c24f-2j3g-rg48

Vulnerability from github

Published

2023-03-20 21:26

Modified

2023-03-20 21:26

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

kaml has potential denial of service while parsing input with anchors and aliases

Details

Impact

Applications that use kaml to parse untrusted input containing anchors and aliases may consume excessive memory and crash.

Patches

Version 0.53.0 and later default to refusing to parse YAML documents containing anchors and aliases.

Workarounds

None.

References

Wikipedia has an explanation of this class of vulnerability: billion laughs attack

Acknowledgements

Thank you to @gdude2002 for reporting this issue.

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "com.charleskorn.kaml:kaml"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.53.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-28118"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-776"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-03-20T21:26:59Z",
    "nvd_published_at": "2023-03-20T13:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nApplications that use kaml to parse untrusted input containing anchors and aliases may consume excessive memory and crash.\n\n### Patches\nVersion 0.53.0 and later default to refusing to parse YAML documents containing anchors and aliases.\n\n### Workarounds\nNone.\n\n### References\nWikipedia has an explanation of this class of vulnerability: [billion laughs attack](https://en.wikipedia.org/wiki/Billion_laughs_attack)\n\n### Acknowledgements\nThank you to @gdude2002 for reporting this issue.",
  "id": "GHSA-c24f-2j3g-rg48",
  "modified": "2023-03-20T21:26:59Z",
  "published": "2023-03-20T21:26:59Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/charleskorn/kaml/security/advisories/GHSA-c24f-2j3g-rg48"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28118"
    },
    {
      "type": "WEB",
      "url": "https://github.com/charleskorn/kaml/commit/5f82a2d7e00bfc307afca05d1dc4d7c50593531a"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/charleskorn/kaml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/charleskorn/kaml/releases/tag/0.53.0"
    }
  ],
  "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": "kaml has potential denial of service while parsing input with anchors and aliases "
}

cve-2023-28118

Vulnerability from cvelistv5

Published

2023-03-20 12:39

Modified

2024-08-02 12:30

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

kaml provides YAML support for kotlinx.serialization. Prior to version 0.53.0, applications that use kaml to parse untrusted input containing anchors and aliases may consume excessive memory and crash. Version 0.53.0 and later default to refusing to parse YAML documents containing anchors and aliases. There are no known workarounds.

References

▼	URL	Tags
	https://github.com/charleskorn/kaml/security/advisories/GHSA-c24f-2j3g-rg48	x_refsource_CONFIRM
	https://github.com/charleskorn/kaml/commit/5f82a2d7e00bfc307afca05d1dc4d7c50593531a	x_refsource_MISC
	https://github.com/charleskorn/kaml/releases/tag/0.53.0	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

charleskorn

kaml

Version: < 0.53.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T12:30:24.221Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/charleskorn/kaml/security/advisories/GHSA-c24f-2j3g-rg48",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/charleskorn/kaml/security/advisories/GHSA-c24f-2j3g-rg48"
          },
          {
            "name": "https://github.com/charleskorn/kaml/commit/5f82a2d7e00bfc307afca05d1dc4d7c50593531a",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/charleskorn/kaml/commit/5f82a2d7e00bfc307afca05d1dc4d7c50593531a"
          },
          {
            "name": "https://github.com/charleskorn/kaml/releases/tag/0.53.0",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/charleskorn/kaml/releases/tag/0.53.0"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "kaml",
          "vendor": "charleskorn",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.53.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "kaml provides YAML support for kotlinx.serialization. Prior to version 0.53.0, applications that use kaml to parse untrusted input containing anchors and aliases may consume excessive memory and crash. Version 0.53.0 and later default to refusing to parse YAML documents containing anchors and aliases. There are no known workarounds."
        }
      ],
      "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-776",
              "description": "CWE-776: Improper Restriction of Recursive Entity References in DTDs (\u0027XML Entity Expansion\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-03-20T12:39:42.075Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/charleskorn/kaml/security/advisories/GHSA-c24f-2j3g-rg48",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/charleskorn/kaml/security/advisories/GHSA-c24f-2j3g-rg48"
        },
        {
          "name": "https://github.com/charleskorn/kaml/commit/5f82a2d7e00bfc307afca05d1dc4d7c50593531a",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/charleskorn/kaml/commit/5f82a2d7e00bfc307afca05d1dc4d7c50593531a"
        },
        {
          "name": "https://github.com/charleskorn/kaml/releases/tag/0.53.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/charleskorn/kaml/releases/tag/0.53.0"
        }
      ],
      "source": {
        "advisory": "GHSA-c24f-2j3g-rg48",
        "discovery": "UNKNOWN"
      },
      "title": "kaml has potential denial of service while parsing input with anchors and aliases "
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-28118",
    "datePublished": "2023-03-20T12:39:42.075Z",
    "dateReserved": "2023-03-10T18:34:29.228Z",
    "dateUpdated": "2024-08-02T12:30:24.221Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

ghsa-c24f-2j3g-rg48

Vulnerability from github

Impact

Patches

Workarounds

References

Acknowledgements

cve-2023-28118

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature