FKIE_CVE-2024-32650

Vulnerability from fkie_nvd - Published: 2024-04-19 16:15 - Updated: 2026-06-17 07:30
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Rustls is a modern TLS library written in Rust. `rustls::ConnectionCommon::complete_io` could fall into an infinite loop based on network input. When using a blocking rustls server, if a client send a `close_notify` message immediately after `client_hello`, the server's `complete_io` will get in an infinite loop. This vulnerability is fixed in 0.23.5, 0.22.4, and 0.21.11.
References
security-advisories@github.comhttps://github.com/rustls/rustls/commit/2123576840aa31043a31b0770e6572136fbe0c2d
security-advisories@github.comhttps://github.com/rustls/rustls/commit/6e938bcfe82a9da7a2e1cbf10b928c7eca26426e
security-advisories@github.comhttps://github.com/rustls/rustls/commit/f45664fbded03d833dffd806503d3c8becd1b71e
security-advisories@github.comhttps://github.com/rustls/rustls/security/advisories/GHSA-6g7w-8wpp-frhj
af854a3a-2127-422b-91ae-364da2661108https://github.com/rustls/rustls/commit/2123576840aa31043a31b0770e6572136fbe0c2d
af854a3a-2127-422b-91ae-364da2661108https://github.com/rustls/rustls/commit/6e938bcfe82a9da7a2e1cbf10b928c7eca26426e
af854a3a-2127-422b-91ae-364da2661108https://github.com/rustls/rustls/commit/f45664fbded03d833dffd806503d3c8becd1b71e
af854a3a-2127-422b-91ae-364da2661108https://github.com/rustls/rustls/security/advisories/GHSA-6g7w-8wpp-frhj
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "rustls",
          "vendor": "rustls",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 0.23.0, \u003c 0.23.5"
            },
            {
              "status": "affected",
              "version": "\u003e= 0.22.0, \u003c 0.22.4"
            },
            {
              "status": "affected",
              "version": "\u003e= 0.21.0, \u003c 0.21.11"
            },
            {
              "status": "affected",
              "version": "= 0.20.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:rustls_project:rustls:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "rustls",
          "vendor": "rustls_project",
          "versions": [
            {
              "status": "unknown",
              "version": "0.21.11"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Rustls is a modern TLS library written in Rust. `rustls::ConnectionCommon::complete_io` could fall into an infinite loop based on network input. When using a blocking rustls server, if a client send a `close_notify` message immediately after `client_hello`, the server\u0027s `complete_io` will get in an infinite loop. This vulnerability is fixed in 0.23.5, 0.22.4, and 0.21.11."
    },
    {
      "lang": "es",
      "value": "Rustls es una librer\u00eda TLS moderna escrita en Rust. `rustls::ConnectionCommon::complete_io` podr\u00eda caer en un bucle infinito basado en la entrada de la red. Cuando se utiliza un servidor Rustls de bloqueo, si un cliente env\u00eda un mensaje `close_notify` inmediatamente despu\u00e9s de `client_hello`, el `complete_io` del servidor entrar\u00e1 en un bucle infinito. Esta vulnerabilidad se solucion\u00f3 en 0.23.5, 0.22.4 y 0.21.11."
    }
  ],
  "id": "CVE-2024-32650",
  "lastModified": "2026-06-17T07:30:09.197",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-32650",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-04-22T15:34:25.994212Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-04-19T16:15:10.940",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/rustls/rustls/commit/2123576840aa31043a31b0770e6572136fbe0c2d"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/rustls/rustls/commit/6e938bcfe82a9da7a2e1cbf10b928c7eca26426e"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/rustls/rustls/commit/f45664fbded03d833dffd806503d3c8becd1b71e"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/rustls/rustls/security/advisories/GHSA-6g7w-8wpp-frhj"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/rustls/rustls/commit/2123576840aa31043a31b0770e6572136fbe0c2d"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/rustls/rustls/commit/6e938bcfe82a9da7a2e1cbf10b928c7eca26426e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/rustls/rustls/commit/f45664fbded03d833dffd806503d3c8becd1b71e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/rustls/rustls/security/advisories/GHSA-6g7w-8wpp-frhj"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



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.