cvelistv5 - cve-2023-6935

CVE-2023-6935 (GCVE-0-2023-6935)

Vulnerability from cvelistv5 – Published: 2024-02-09 22:25 – Updated: 2024-08-02 08:42

Summary

wolfSSL SP Math All RSA implementation is vulnerable to the Marvin Attack, new variation of a timing Bleichenbacher style attack, when built with the following options to configure: --enable-all CFLAGS="-DWOLFSSL_STATIC_RSA" The define “WOLFSSL_STATIC_RSA” enables static RSA cipher suites, which is not recommended, and has been disabled by default since wolfSSL 3.6.6. Therefore the default build since 3.6.6, even with "--enable-all", is not vulnerable to the Marvin Attack. The vulnerability is specific to static RSA cipher suites, and expected to be padding-independent. The vulnerability allows an attacker to decrypt ciphertexts and forge signatures after probing with a large number of test observations. However the server’s private key is not exposed.

Severity ?

5.9 (Medium)


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

CWE

CWE-203 - Observable Discrepancy

Assigner

wolfSSL

References

URL

Tags

	https://people.redhat.com/~hkario/marvin/	technical-descriptionthird-party-advisory
	https://www.wolfssl.com/docs/security-vulnerabilities/

Impacted products

	Vendor	Product	Version
	wolfSSL	wolfSSL	Affected: 3.12.2 , ≤ 5.6.4 (release bundle)

Credits

Hubert Kario tlsfuzzer

Show details on NVD website

JSON

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The default configuration of wolfSSL is not vulnerable.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"To be vulnerable, static RSA cipher suites must be enabled with\u003cbr\u003e\u003cb\u003e\u003cspan style=\\\"background-color: transparent;\\\"\u003eCFLAGS=\\\"-DWOLFSSL_STATIC_RSA\\\"\u003c/span\u003e\u003c/b\u003e\u003cbr\u003e\u003cbr\u003eThese have been disabled by default since wolfSSL 3.6.6. The default configuration of wolfSSL is not vulnerable.\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"50d2cd11-d01a-48ed-9441-5bfce9d63b27\", \"shortName\": \"wolfSSL\", \"dateUpdated\": \"2024-02-09T22:25:04.663Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-6935\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-02T08:42:08.533Z\", \"dateReserved\": \"2023-12-18T22:00:54.166Z\", \"assignerOrgId\": \"50d2cd11-d01a-48ed-9441-5bfce9d63b27\", \"datePublished\": \"2024-02-09T22:25:04.663Z\", \"assignerShortName\": \"wolfSSL\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

CNVD-2024-37453

Vulnerability from cnvd - Published: 2024-09-05

Title

wolfSSL存在未明漏洞（CNVD-2024-37453）

Description

wolfSSL（CyaSSL）是美国wolfSSL公司的一个针对嵌入式系统开发人员使用的小的、可移植的嵌入式SSL编程库。 wolfSSL存在安全漏洞，攻击者可利用该漏洞在进行大量测试观察后解密密文并伪造签名。

Severity

中

Patch Name

wolfSSL存在未明漏洞（CNVD-2024-37453）的补丁

Patch Description

wolfSSL（CyaSSL）是美国wolfSSL公司的一个针对嵌入式系统开发人员使用的小的、可移植的嵌入式SSL编程库。 wolfSSL存在安全漏洞，攻击者可利用该漏洞在进行大量测试观察后解密密文并伪造签名。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.wolfssl.com/docs/security-vulnerabilities/

Reference

https://people.redhat.com/~hkario/marvin/

Impacted products

Name
wolfSSL Inc. WolfSSL

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2023-6935",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2023-6935"
    }
  },
  "description": "wolfSSL\uff08CyaSSL\uff09\u662f\u7f8e\u56fdwolfSSL\u516c\u53f8\u7684\u4e00\u4e2a\u9488\u5bf9\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u7684\u5c0f\u7684\u3001\u53ef\u79fb\u690d\u7684\u5d4c\u5165\u5f0fSSL\u7f16\u7a0b\u5e93\u3002\n\nwolfSSL\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u8fdb\u884c\u5927\u91cf\u6d4b\u8bd5\u89c2\u5bdf\u540e\u89e3\u5bc6\u5bc6\u6587\u5e76\u4f2a\u9020\u7b7e\u540d\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.wolfssl.com/docs/security-vulnerabilities/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2024-37453",
  "openTime": "2024-09-05",
  "patchDescription": "wolfSSL\uff08CyaSSL\uff09\u662f\u7f8e\u56fdwolfSSL\u516c\u53f8\u7684\u4e00\u4e2a\u9488\u5bf9\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u7684\u5c0f\u7684\u3001\u53ef\u79fb\u690d\u7684\u5d4c\u5165\u5f0fSSL\u7f16\u7a0b\u5e93\u3002\r\n\r\nwolfSSL\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u8fdb\u884c\u5927\u91cf\u6d4b\u8bd5\u89c2\u5bdf\u540e\u89e3\u5bc6\u5bc6\u6587\u5e76\u4f2a\u9020\u7b7e\u540d\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "wolfSSL\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2024-37453\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "wolfSSL Inc. WolfSSL"
  },
  "referenceLink": "https://people.redhat.com/~hkario/marvin/",
  "serverity": "\u4e2d",
  "submitTime": "2024-02-28",
  "title": "wolfSSL\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2024-37453\uff09"
}

GSD-2023-6935

Vulnerability from gsd - Updated: 2023-12-19 06:01

Details

Aliases

CVE-2023-6935

JSON

To clipboard

{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-6935"
      ],
      "details": "wolfSSL SP Math All RSA implementation is vulnerable to the Marvin Attack, new variation of a timing Bleichenbacher style attack, when built with the following options to configure:\n\n--enable-all CFLAGS=\"-DWOLFSSL_STATIC_RSA\"\n\nThe define \u201cWOLFSSL_STATIC_RSA\u201d enables static RSA cipher suites, which is not recommended, and has been disabled by default since wolfSSL 3.6.6.\u00a0 Therefore the default build since 3.6.6, even with \"--enable-all\", is not vulnerable to the Marvin Attack. The vulnerability is specific to static RSA cipher suites, and expected to be padding-independent.\n\nThe vulnerability allows an attacker to decrypt ciphertexts and forge signatures after probing with a large number of test observations. However the server\u2019s private key is not exposed.\n",
      "id": "GSD-2023-6935",
      "modified": "2023-12-19T06:01:18.209705Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "facts@wolfssl.com",
        "ID": "CVE-2023-6935",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "wolfSSL",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": "3.12.2",
                          "version_value": "5.6.4"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "wolfSSL"
            }
          ]
        }
      },
      "configuration": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "To be vulnerable, static RSA cipher suites must be enabled with\u003cbr\u003e\u003cb\u003e\u003cspan style=\"background-color: transparent;\"\u003eCFLAGS=\"-DWOLFSSL_STATIC_RSA\"\u003c/span\u003e\u003c/b\u003e\u003cbr\u003e\u003cbr\u003eThese have been disabled by default since wolfSSL 3.6.6. The default configuration of wolfSSL is not vulnerable."
            }
          ],
          "value": "To be vulnerable, static RSA cipher suites must be enabled with\nCFLAGS=\"-DWOLFSSL_STATIC_RSA\"\n\nThese have been disabled by default since wolfSSL 3.6.6. The default configuration of wolfSSL is not vulnerable."
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Hubert Kario"
        },
        {
          "lang": "en",
          "value": "tlsfuzzer"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "wolfSSL SP Math All RSA implementation is vulnerable to the Marvin Attack, new variation of a timing Bleichenbacher style attack, when built with the following options to configure:\n\n--enable-all CFLAGS=\"-DWOLFSSL_STATIC_RSA\"\n\nThe define \u201cWOLFSSL_STATIC_RSA\u201d enables static RSA cipher suites, which is not recommended, and has been disabled by default since wolfSSL 3.6.6.\u00a0 Therefore the default build since 3.6.6, even with \"--enable-all\", is not vulnerable to the Marvin Attack. The vulnerability is specific to static RSA cipher suites, and expected to be padding-independent.\n\nThe vulnerability allows an attacker to decrypt ciphertexts and forge signatures after probing with a large number of test observations. However the server\u2019s private key is not exposed.\n"
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-203",
                "lang": "eng",
                "value": "CWE-203 Observable Discrepancy"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://people.redhat.com/~hkario/marvin/",
            "refsource": "MISC",
            "url": "https://people.redhat.com/~hkario/marvin/"
          },
          {
            "name": "https://www.wolfssl.com/docs/security-vulnerabilities/",
            "refsource": "MISC",
            "url": "https://www.wolfssl.com/docs/security-vulnerabilities/"
          }
        ]
      },
      "solution": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Upgrade wolfSSL to 5.6.6"
            }
          ],
          "value": "Upgrade wolfSSL to 5.6.6"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "work_around": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cul\u003e\u003cli\u003eDo not enable static RSA cipher suites\u003c/li\u003e\u003cli\u003eUse TLS 1.3\u003c/li\u003e\u003cli\u003eBuild with --enable-sp, or --enable-sp-asm\u003c/li\u003e\u003c/ul\u003e"
            }
          ],
          "value": "  *  Do not enable static RSA cipher suites\n  *  Use TLS 1.3\n  *  Build with --enable-sp, or --enable-sp-asm\n\n\n"
        }
      ]
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "wolfSSL SP Math All RSA implementation is vulnerable to the Marvin Attack, new variation of a timing Bleichenbacher style attack, when built with the following options to configure:\n\n--enable-all CFLAGS=\"-DWOLFSSL_STATIC_RSA\"\n\nThe define \u201cWOLFSSL_STATIC_RSA\u201d enables static RSA cipher suites, which is not recommended, and has been disabled by default since wolfSSL 3.6.6.\u00a0 Therefore the default build since 3.6.6, even with \"--enable-all\", is not vulnerable to the Marvin Attack. The vulnerability is specific to static RSA cipher suites, and expected to be padding-independent.\n\nThe vulnerability allows an attacker to decrypt ciphertexts and forge signatures after probing with a large number of test observations. However the server\u2019s private key is not exposed.\n"
          }
        ],
        "id": "CVE-2023-6935",
        "lastModified": "2024-02-11T22:29:15.837",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 3.6,
              "source": "facts@wolfssl.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2024-02-09T23:15:08.030",
        "references": [
          {
            "source": "facts@wolfssl.com",
            "url": "https://people.redhat.com/~hkario/marvin/"
          },
          {
            "source": "facts@wolfssl.com",
            "url": "https://www.wolfssl.com/docs/security-vulnerabilities/"
          }
        ],
        "sourceIdentifier": "facts@wolfssl.com",
        "vulnStatus": "Awaiting Analysis",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-203"
              }
            ],
            "source": "facts@wolfssl.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}

FKIE_CVE-2023-6935

Vulnerability from fkie_nvd - Published: 2024-02-09 23:15 - Updated: 2024-11-21 08:44

Severity ?

5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

References

URL	Tags
facts@wolfssl.com	https://people.redhat.com/~hkario/marvin/	Technical Description
facts@wolfssl.com	https://www.wolfssl.com/docs/security-vulnerabilities/	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://people.redhat.com/~hkario/marvin/	Technical Description
af854a3a-2127-422b-91ae-364da2661108	https://www.wolfssl.com/docs/security-vulnerabilities/	Vendor Advisory

Impacted products

	Vendor	Product	Version
	wolfssl	wolfssl	*

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "814E3645-BD7D-48A3-8D8D-4587FBBA2AD3",
              "versionEndIncluding": "5.6.4",
              "versionStartIncluding": "3.12.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "wolfSSL SP Math All RSA implementation is vulnerable to the Marvin Attack, new variation of a timing Bleichenbacher style attack, when built with the following options to configure:\n\n--enable-all CFLAGS=\"-DWOLFSSL_STATIC_RSA\"\n\nThe define \u201cWOLFSSL_STATIC_RSA\u201d enables static RSA cipher suites, which is not recommended, and has been disabled by default since wolfSSL 3.6.6.\u00a0 Therefore the default build since 3.6.6, even with \"--enable-all\", is not vulnerable to the Marvin Attack. The vulnerability is specific to static RSA cipher suites, and expected to be padding-independent.\n\nThe vulnerability allows an attacker to decrypt ciphertexts and forge signatures after probing with a large number of test observations. However the server\u2019s private key is not exposed.\n"
    },
    {
      "lang": "es",
      "value": "wolfSSL SP Math Toda la implementaci\u00f3n de RSA es vulnerable al ataque Marvin, una nueva variaci\u00f3n de un ataque de sincronizaci\u00f3n de estilo Bleichenbacher, cuando se construye con las siguientes opciones para configurar: --enable-all CFLAGS=\"-DWOLFSSL_STATIC_RSA\" La definici\u00f3n \"WOLFSSL_STATIC_RSA\" habilita RSA est\u00e1tico conjuntos de cifrado, que no se recomienda y ha estado deshabilitado de forma predeterminada desde wolfSSL 3.6.6. Por lo tanto, la compilaci\u00f3n predeterminada desde 3.6.6, incluso con \"--enable-all\", no es vulnerable al ataque Marvin. La vulnerabilidad es espec\u00edfica de los conjuntos de cifrado RSA est\u00e1ticos y se espera que sea independiente del relleno. La vulnerabilidad permite a un atacante descifrar textos cifrados y falsificar firmas despu\u00e9s de realizar una gran cantidad de observaciones de prueba. Sin embargo, la clave privada del servidor no est\u00e1 expuesta."
    }
  ],
  "id": "CVE-2023-6935",
  "lastModified": "2024-11-21T08:44:52.217",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "facts@wolfssl.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-02-09T23:15:08.030",
  "references": [
    {
      "source": "facts@wolfssl.com",
      "tags": [
        "Technical Description"
      ],
      "url": "https://people.redhat.com/~hkario/marvin/"
    },
    {
      "source": "facts@wolfssl.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.wolfssl.com/docs/security-vulnerabilities/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Technical Description"
      ],
      "url": "https://people.redhat.com/~hkario/marvin/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.wolfssl.com/docs/security-vulnerabilities/"
    }
  ],
  "sourceIdentifier": "facts@wolfssl.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ],
      "source": "facts@wolfssl.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

MSRC_CVE-2023-6935

Vulnerability from csaf_microsoft - Published: 2024-02-02 08:00 - Updated: 2024-12-12 00:00

Summary

Marvin Attack vulnerability in SP Math All RSA

Notes

Additional Resources

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

Disclaimer

The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

JSON

To clipboard

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2023-6935 Marvin Attack vulnerability in SP Math All RSA - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2023-6935.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "Marvin Attack vulnerability in SP Math All RSA",
    "tracking": {
      "current_release_date": "2024-12-12T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T01:03:24.884Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-6935",
      "initial_release_date": "2024-02-02T08:00:00.000Z",
      "revision_history": [
        {
          "date": "2024-12-07T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2024-12-12T00:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added mariadb to CBL-Mariner 2.0\nAdded mariadb to Azure Linux 3.0"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "category": "product_name",
            "name": "azl3 mariadb 10.11.6-3",
            "product": {
              "name": "azl3 mariadb 10.11.6-3",
              "product_id": "1"
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 mariadb 10.11.6-3 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-6935",
      "cwe": {
        "id": "CWE-203",
        "name": "Observable Discrepancy"
      },
      "flags": [
        {
          "label": "component_not_present",
          "product_ids": [
            "17084-1"
          ]
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "wolfSSL",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "17084-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-6935 Marvin Attack vulnerability in SP Math All RSA - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2023-6935.json"
        }
      ],
      "title": "Marvin Attack vulnerability in SP Math All RSA"
    }
  ]
}

GHSA-R36F-F47X-637Q

Vulnerability from github – Published: 2024-02-10 00:31 – Updated: 2024-11-07 21:31

Details

wolfSSL SP Math All RSA implementation is vulnerable to the Marvin Attack, new variation of a timing Bleichenbacher style attack, when built with the following options to configure:

--enable-all CFLAGS="-DWOLFSSL_STATIC_RSA"

The define “WOLFSSL_STATIC_RSA” enables static RSA cipher suites, which is not recommended, and has been disabled by default since wolfSSL 3.6.6. Therefore the default build since 3.6.6, even with "--enable-all", is not vulnerable to the Marvin Attack. The vulnerability is specific to static RSA cipher suites, and expected to be padding-independent.

The vulnerability allows an attacker to decrypt ciphertexts and forge signatures after probing with a large number of test observations. However the server’s private key is not exposed.

Severity ?

5.9 (Medium)


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

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2023-6935"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-203"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-02-09T23:15:08Z",
    "severity": "MODERATE"
  },
  "details": "wolfSSL SP Math All RSA implementation is vulnerable to the Marvin Attack, new variation of a timing Bleichenbacher style attack, when built with the following options to configure:\n\n--enable-all CFLAGS=\"-DWOLFSSL_STATIC_RSA\"\n\nThe define \u201cWOLFSSL_STATIC_RSA\u201d enables static RSA cipher suites, which is not recommended, and has been disabled by default since wolfSSL 3.6.6.\u00a0 Therefore the default build since 3.6.6, even with \"--enable-all\", is not vulnerable to the Marvin Attack. The vulnerability is specific to static RSA cipher suites, and expected to be padding-independent.\n\nThe vulnerability allows an attacker to decrypt ciphertexts and forge signatures after probing with a large number of test observations. However the server\u2019s private key is not exposed.\n",
  "id": "GHSA-r36f-f47x-637q",
  "modified": "2024-11-07T21:31:37Z",
  "published": "2024-02-10T00:31:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6935"
    },
    {
      "type": "WEB",
      "url": "https://people.redhat.com/~hkario/marvin"
    },
    {
      "type": "WEB",
      "url": "https://www.wolfssl.com/docs/security-vulnerabilities"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CVE-2023-6935 (GCVE-0-2023-6935)

CNVD-2024-37453

GSD-2023-6935

FKIE_CVE-2023-6935

MSRC_CVE-2023-6935

GHSA-R36F-F47X-637Q

Tags

Sightings

Nomenclature