cnvd - cnvd-2021-59130

CNVD-2021-59130

Vulnerability from cnvd - Published: 2021-08-06

Title

Eclipse TinyDTLS加密问题漏洞

Description

Eclipse TinyDTLS是一个用于数据报传输层安全 (DTLS) 的库。 Eclipse TinyDTLS存在加密问题漏洞，攻击者可利用该漏洞计算出密钥，解密DTLS通信。

Severity

中

Patch Name

Eclipse TinyDTLS加密问题漏洞的补丁

Patch Description

Eclipse TinyDTLS是一个用于数据报传输层安全 (DTLS) 的库。 Eclipse TinyDTLS存在加密问题漏洞，攻击者可利用该漏洞计算出密钥，解密DTLS通信。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://bugs.eclipse.org/bugs/show_bug.cgi?id=568803

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-34430

Impacted products

Name
Eclipse tinydtls

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-34430"
    }
  },
  "description": "Eclipse TinyDTLS\u662f\u4e00\u4e2a\u7528\u4e8e\u6570\u636e\u62a5\u4f20\u8f93\u5c42\u5b89\u5168 (DTLS) \u7684\u5e93\u3002\n\nEclipse TinyDTLS\u5b58\u5728\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8ba1\u7b97\u51fa\u5bc6\u94a5\uff0c\u89e3\u5bc6DTLS\u901a\u4fe1\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://bugs.eclipse.org/bugs/show_bug.cgi?id=568803",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-59130",
  "openTime": "2021-08-06",
  "patchDescription": "Eclipse TinyDTLS\u662f\u4e00\u4e2a\u7528\u4e8e\u6570\u636e\u62a5\u4f20\u8f93\u5c42\u5b89\u5168 (DTLS) \u7684\u5e93\u3002\r\n\r\nEclipse TinyDTLS\u5b58\u5728\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8ba1\u7b97\u51fa\u5bc6\u94a5\uff0c\u89e3\u5bc6DTLS\u901a\u4fe1\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": "Eclipse TinyDTLS\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Eclipse tinydtls"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-34430",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-12",
  "title": "Eclipse TinyDTLS\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2021-34430 (GCVE-0-2021-34430)

Vulnerability from cvelistv5 – Published: 2021-07-08 03:00 – Updated: 2024-08-04 00:12

Summary

Eclipse TinyDTLS through 0.9-rc1 relies on the rand function in the C library, which makes it easier for remote attackers to compute the master key and then decrypt DTLS traffic.

Severity ?

No CVSS data available.

CWE

CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Assigner

eclipse

References

URL

Tags

https://bugs.eclipse.org/bugs/show_bug.cgi?id=568803

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	The Eclipse Foundation	Eclipse TinyDTLS	Affected: unspecified , ≤ 0.9-rc1 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:12:50.067Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=568803"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Eclipse TinyDTLS",
          "vendor": "The Eclipse Foundation",
          "versions": [
            {
              "lessThanOrEqual": "0.9-rc1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Eclipse TinyDTLS through 0.9-rc1 relies on the rand function in the C library, which makes it easier for remote attackers to compute the master key and then decrypt DTLS traffic."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-338",
              "description": "CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-08T03:00:10",
        "orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
        "shortName": "eclipse"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=568803"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@eclipse.org",
          "ID": "CVE-2021-34430",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Eclipse TinyDTLS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "0.9-rc1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "The Eclipse Foundation"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Eclipse TinyDTLS through 0.9-rc1 relies on the rand function in the C library, which makes it easier for remote attackers to compute the master key and then decrypt DTLS traffic."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=568803",
              "refsource": "CONFIRM",
              "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=568803"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
    "assignerShortName": "eclipse",
    "cveId": "CVE-2021-34430",
    "datePublished": "2021-07-08T03:00:10",
    "dateReserved": "2021-06-09T00:00:00",
    "dateUpdated": "2024-08-04T00:12:50.067Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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

CNVD-2021-59130

CVE-2021-34430 (GCVE-0-2021-34430)

Tags

Sightings

Nomenclature