Vulnerability-Lookup

UBUNTU-CVE-2023-28119 (CVE-2023-28119)

Vulnerability from osv_ubuntu – Published: 2023-03-22 20:15 – Updated: 2025-09-08 16:56 – Source website

Details

The crewjam/saml go library contains a partial implementation of the SAML standard in golang. Prior to version 0.4.13, the package's use of flate.NewReader does not limit the size of the input. The user can pass more than 1 MB of data in the HTTP request to the processing functions, which will be decompressed server-side using the Deflate algorithm. Therefore, after repeating the same request multiple times, it is possible to achieve a reliable crash since the operating system kills the process. This issue is patched in version 0.4.13.

Severity

7.5 (High)


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

7.5 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-28119	REPORT
	https://github.com/crewjam/saml/commit/8e9236867d…	REPORT
	https://github.com/crewjam/saml/security/advisori…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2023-28119	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-crewjam-saml-dev",
            "binary_version": "0.4.6-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "golang-github-crewjam-saml",
        "purl": "pkg:deb/ubuntu/golang-github-crewjam-saml@0.4.6-2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.4.5+git20201228.07f15a6-2",
        "0.4.6-1",
        "0.4.6-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-crewjam-saml-dev",
            "binary_version": "0.4.12-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "golang-github-crewjam-saml",
        "purl": "pkg:deb/ubuntu/golang-github-crewjam-saml@0.4.12-2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.4.12-2"
      ]
    }
  ],
  "aliases": [],
  "details": "The crewjam/saml go library contains a partial implementation of the SAML standard in golang. Prior to version 0.4.13, the package\u0027s use of `flate.NewReader` does not limit the size of the input. The user can pass more than 1 MB of data in the HTTP request to the processing functions, which will be decompressed server-side using the Deflate algorithm. Therefore, after repeating the same request multiple times, it is possible to achieve a reliable crash since the operating system kills the process. This issue is patched in version 0.4.13.",
  "id": "UBUNTU-CVE-2023-28119",
  "modified": "2025-09-08T16:56:11Z",
  "published": "2023-03-22T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-28119"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/crewjam/saml/commit/8e9236867d176ad6338c870a84e2039aef8a5021"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/crewjam/saml/security/advisories/GHSA-5mqj-xc49-246p"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-28119"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-28119"
  ]
}

CVE-2023-28119 (GCVE-0-2023-28119)

Vulnerability from cvelistv5 – Published: 2023-03-22 19:51 – Updated: 2025-02-25 14:51

Title

crewjam/saml vulnerable to Denial Of Service Via Deflate Decompression Bomb

Summary

The crewjam/saml go library contains a partial implementation of the SAML standard in golang. Prior to version 0.4.13, the package's use of `flate.NewReader` does not limit the size of the input. The user can pass more than 1 MB of data in the HTTP request to the processing functions, which will be decompressed server-side using the Deflate algorithm. Therefore, after repeating the same request multiple times, it is possible to achieve a reliable crash since the operating system kills the process. This issue is patched in version 0.4.13.

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 2025-02-25 14:30 UTC

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M mitre root Scorecard

References

2 references

URL	Tags
https://github.com/crewjam/saml/security/advisori…	x_refsource_CONFIRM
https://github.com/crewjam/saml/commit/8e9236867d…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
crewjam	saml	Affected: < 0.4.13

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T12:30:24.231Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/crewjam/saml/security/advisories/GHSA-5mqj-xc49-246p",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/crewjam/saml/security/advisories/GHSA-5mqj-xc49-246p"
          },
          {
            "name": "https://github.com/crewjam/saml/commit/8e9236867d176ad6338c870a84e2039aef8a5021",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/crewjam/saml/commit/8e9236867d176ad6338c870a84e2039aef8a5021"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-28119",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-25T14:30:13.116152Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-25T14:51:31.420Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "saml",
          "vendor": "crewjam",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.4.13"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The crewjam/saml go library contains a partial implementation of the SAML standard in golang. Prior to version 0.4.13, the package\u0027s use of `flate.NewReader` does not limit the size of the input. The user can pass more than 1 MB of data in the HTTP request to the processing functions, which will be decompressed server-side using the Deflate algorithm. Therefore, after repeating the same request multiple times, it is possible to achieve a reliable crash since the operating system kills the process. This issue is patched in version 0.4.13.\n"
        }
      ],
      "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-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-03-22T19:51:13.210Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/crewjam/saml/security/advisories/GHSA-5mqj-xc49-246p",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/crewjam/saml/security/advisories/GHSA-5mqj-xc49-246p"
        },
        {
          "name": "https://github.com/crewjam/saml/commit/8e9236867d176ad6338c870a84e2039aef8a5021",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/crewjam/saml/commit/8e9236867d176ad6338c870a84e2039aef8a5021"
        }
      ],
      "source": {
        "advisory": "GHSA-5mqj-xc49-246p",
        "discovery": "UNKNOWN"
      },
      "title": "crewjam/saml vulnerable to Denial Of Service Via Deflate Decompression Bomb"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-28119",
    "datePublished": "2023-03-22T19:51:13.210Z",
    "dateReserved": "2023-03-10T18:34:29.228Z",
    "dateUpdated": "2025-02-25T14:51:31.420Z",
    "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.

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.

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UBUNTU-CVE-2023-28119 (CVE-2023-28119)

CVE-2023-28119 (GCVE-0-2023-28119)

Tags

Sightings

Nomenclature

Related by attack behaviour