CVE-2024-6119 (GCVE-0-2024-6119)

Vulnerability from cvelistv5 – Published: 2024-09-03 15:58 – Updated: 2026-07-14 12:37
VLAI
Title
Possible denial of service in X.509 name checks
Summary
Issue summary: Applications performing certificate name checks (e.g., TLS clients checking server certificates) may attempt to read an invalid memory address resulting in abnormal termination of the application process. Impact summary: Abnormal termination of an application can a cause a denial of service. Applications performing certificate name checks (e.g., TLS clients checking server certificates) may attempt to read an invalid memory address when comparing the expected name with an `otherName` subject alternative name of an X.509 certificate. This may result in an exception that terminates the application program. Note that basic certificate chain validation (signatures, dates, ...) is not affected, the denial of service can occur only when the application also specifies an expected DNS name, Email address or IP address. TLS servers rarely solicit client certificates, and even when they do, they generally don't perform a name check against a reference identifier (expected identity), but rather extract the presented identity after checking the certificate chain. So TLS servers are generally not affected and the severity of the issue is Moderate. The FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-03 20:20 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Impacted products
Vendor Product Version
OpenSSL OpenSSL Affected: 3.3.0 , < 3.3.2 (semver)
Affected: 3.2.0 , < 3.2.3 (semver)
Affected: 3.1.0 , < 3.1.7 (semver)
Affected: 3.0.0 , < 3.0.15 (semver)
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openssl openssl Affected: 3.3.0 , < 3.3.2 (custom)
Affected: 3.2.0 , < 3.2.3 (custom)
Affected: 3.1.0 , < 3.1.7 (custom)
Affected: 3.0.0 , < 3.0.15 (custom)
    cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
Create a notification for this product.
Siemens RUGGEDCOM RST2428P Affected: 0 , < V3.1 (custom)
Create a notification for this product.
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Unaffected: 0 , < * (custom)
Create a notification for this product.
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Affected: 0 , < V3.1 (custom)
Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
Create a notification for this product.
Date Public
2024-09-03 14:00
Show details on NVD website

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                  "value": "Issue summary: Applications performing certificate name checks (e.g., TLS\u003cbr\u003eclients checking server certificates) may attempt to read an invalid memory\u003cbr\u003eaddress resulting in abnormal termination of the application process.\u003cbr\u003e\u003cbr\u003eImpact summary: Abnormal termination of an application can a cause a denial of\u003cbr\u003eservice.\u003cbr\u003e\u003cbr\u003eApplications performing certificate name checks (e.g., TLS clients checking\u003cbr\u003eserver certificates) may attempt to read an invalid memory address when\u003cbr\u003ecomparing the expected name with an `otherName` subject alternative name of an\u003cbr\u003eX.509 certificate. This may result in an exception that terminates the\u003cbr\u003eapplication program.\u003cbr\u003e\u003cbr\u003eNote that basic certificate chain validation (signatures, dates, ...) is not\u003cbr\u003eaffected, the denial of service can occur only when the application also\u003cbr\u003especifies an expected DNS name, Email address or IP address.\u003cbr\u003e\u003cbr\u003eTLS servers rarely solicit client certificates, and even when they do, they\u003cbr\u003egenerally don\u0027t perform a name check against a reference identifier (expected\u003cbr\u003eidentity), but rather extract the presented identity after checking the\u003cbr\u003ecertificate chain.  So TLS servers are generally not affected and the severity\u003cbr\u003eof the issue is Moderate.\u003cbr\u003e\u003cbr\u003eThe FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue."
                }
              ],
              "value": "Issue summary: Applications performing certificate name checks (e.g., TLS\nclients checking server certificates) may attempt to read an invalid memory\naddress resulting in abnormal termination of the application process.\n\nImpact summary: Abnormal termination of an application can a cause a denial of\nservice.\n\nApplications performing certificate name checks (e.g., TLS clients checking\nserver certificates) may attempt to read an invalid memory address when\ncomparing the expected name with an `otherName` subject alternative name of an\nX.509 certificate. This may result in an exception that terminates the\napplication program.\n\nNote that basic certificate chain validation (signatures, dates, ...) is not\naffected, the denial of service can occur only when the application also\nspecifies an expected DNS name, Email address or IP address.\n\nTLS servers rarely solicit client certificates, and even when they do, they\ngenerally don\u0027t perform a name check against a reference identifier (expected\nidentity), but rather extract the presented identity after checking the\ncertificate chain.  So TLS servers are generally not affected and the severity\nof the issue is Moderate.\n\nThe FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue."
            }
          ],
          "metrics": [
            {
              "format": "other",
              "other": {
                "content": {
                  "text": "Moderate"
                },
                "type": "https://www.openssl.org/policies/secpolicy.html"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-843",
                  "description": "CWE-843 Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2024-09-03T15:58:06.970Z",
            "orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
            "shortName": "openssl"
          },
          "references": [
            {
              "name": "OpenSSL Advisory",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://openssl-library.org/news/secadv/20240903.txt"
            },
            {
              "name": "3.3.2 git commit",
              "tags": [
                "patch"
              ],
              "url": "https://github.com/openssl/openssl/commit/7dfcee2cd2a63b2c64b9b4b0850be64cb695b0a0"
            },
            {
              "name": "3.2.3 git commit",
              "tags": [
                "patch"
              ],
              "url": "https://github.com/openssl/openssl/commit/05f360d9e849a1b277db628f1f13083a7f8dd04f"
            },
            {
              "name": "3.1.7 git commit",
              "tags": [
                "patch"
              ],
              "url": "https://github.com/openssl/openssl/commit/621f3729831b05ee828a3203eddb621d014ff2b2"
            },
            {
              "name": "3.0.15 git commit",
              "tags": [
                "patch"
              ],
              "url": "https://github.com/openssl/openssl/commit/06d1dc3fa96a2ba5a3e22735a033012aadc9f0d6"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Possible denial of service in X.509 name checks",
          "x_generator": {
            "engine": "Vulnogram 0.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
        "assignerShortName": "openssl",
        "cveId": "CVE-2024-6119",
        "datePublished": "2024-09-03T15:58:06.970Z",
        "dateReserved": "2024-06-18T09:24:11.739Z",
        "dateUpdated": "2026-07-14T12:37:27.827Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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

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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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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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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