Vulnerability-Lookup

ubuntu-cve-2024-0853

Vulnerability from osv_ubuntu

Published

2024-01-31 00:00

Modified

2026-04-22 07:47

Summary

Details

curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (OCSP stapling) test failed. A subsequent transfer to the same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check.

Severity

5.3 (Medium)


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

5.3 (Medium)


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

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2024-0853	REPORT
	https://curl.se/docs/CVE-2024-0853.html	REPORT
	https://www.cve.org/CVERecord?id=CVE-2024-0853	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "curl",
            "binary_version": "8.5.0-2ubuntu2"
          },
          {
            "binary_name": "libcurl3-gnutls",
            "binary_version": "8.5.0-2ubuntu2"
          },
          {
            "binary_name": "libcurl4",
            "binary_version": "8.5.0-2ubuntu2"
          }
        ],
        "priority_reason": "Upstream Curl developers have rated this as being low severity"
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "curl",
        "purl": "pkg:deb/ubuntu/curl@8.5.0-2ubuntu2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.5.0-2ubuntu2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.2.1-1ubuntu3",
        "8.2.1-1ubuntu3.1",
        "8.4.0-2ubuntu1",
        "8.5.0-2ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (*OCSP stapling*) test failed. A subsequent transfer to the same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check.",
  "id": "UBUNTU-CVE-2024-0853",
  "modified": "2026-04-22T07:47:53Z",
  "published": "2024-01-31T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-0853"
    },
    {
      "type": "REPORT",
      "url": "https://curl.se/docs/CVE-2024-0853.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-0853"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-0853"
  ]
}

CVE-2024-0853 (GCVE-0-2024-0853)

Vulnerability from cvelistv5 – Published: 2024-02-03 13:35 – Updated: 2025-06-20 20:04

Title

OCSP verification bypass with TLS session reuse

Summary

curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (*OCSP stapling*) test failed. A subsequent transfer to the same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check.

Severity

5.3 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-02-13 19:54 UTC

CWE

CWE-299 Improper Check for Certificate Revocation

Assigner

curl redhat root

References

6 references

URL	Tags
https://curl.se/docs/CVE-2024-0853.json
https://curl.se/docs/CVE-2024-0853.html
https://hackerone.com/reports/2298922
https://security.netapp.com/advisory/ntap-2024030…
https://security.netapp.com/advisory/ntap-2024042…
https://security.netapp.com/advisory/ntap-2024050…

Impacted products

1 product

Vendor	Product	Version
curl	curl	Affected: 8.5.0 , ≤ 8.5.0 (semver)

Credits

Hiroki Kurosawa Daniel Stenberg

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T18:18:19.012Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "json",
            "tags": [
              "x_transferred"
            ],
            "url": "https://curl.se/docs/CVE-2024-0853.json"
          },
          {
            "name": "www",
            "tags": [
              "x_transferred"
            ],
            "url": "https://curl.se/docs/CVE-2024-0853.html"
          },
          {
            "name": "issue",
            "tags": [
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/2298922"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20240307-0004/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20240426-0009/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20240503-0012/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-0853",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-02-13T19:54:33.332536Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-20T20:04:09.066Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "curl",
          "vendor": "curl",
          "versions": [
            {
              "lessThanOrEqual": "8.5.0",
              "status": "affected",
              "version": "8.5.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Hiroki Kurosawa"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Daniel Stenberg"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (*OCSP stapling*) test failed. A subsequent transfer to\nthe same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-299 Improper Check for Certificate Revocation",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-05-03T13:06:05.485Z",
        "orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "shortName": "curl"
      },
      "references": [
        {
          "name": "json",
          "url": "https://curl.se/docs/CVE-2024-0853.json"
        },
        {
          "name": "www",
          "url": "https://curl.se/docs/CVE-2024-0853.html"
        },
        {
          "name": "issue",
          "url": "https://hackerone.com/reports/2298922"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20240307-0004/"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20240426-0009/"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20240503-0012/"
        }
      ],
      "title": "OCSP verification bypass with TLS session reuse"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
    "assignerShortName": "curl",
    "cveId": "CVE-2024-0853",
    "datePublished": "2024-02-03T13:35:25.863Z",
    "dateReserved": "2024-01-24T08:42:02.618Z",
    "dateUpdated": "2025-06-20T20:04:09.066Z",
    "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.

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ubuntu-cve-2024-0853

Vulnerability from osv_ubuntu

CVE-2024-0853 (GCVE-0-2024-0853)

Tags

Sightings

Nomenclature

Related by attack behaviour