Vulnerability-Lookup

CNVD-2021-01535

Vulnerability from cnvd - Published: 2021-01-08

Title

Linbit csync2输入验证错误漏洞

Description

Linbit csync2是奥地利Linbit公司的一款集群同步工具，它主要用于使群集中多个主机上的文件保持同步。 LINBIT csync2 2.0版本及之前版本存在安全漏洞，该漏洞源于未能正确地检查GNUTLS E收到的GNUTLS handshake()函数的返回值。按照API设计的要求，它忽略了再次调用这个函数。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

Linbit csync2输入验证错误漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://github.com/LINBIT/csync2/pull/13/commits/92742544a56bcbcd9ec99ca15f898b31797e39e2

Reference

https://lists.debian.org/debian-lts-announce/2021/01/msg00003.html

Impacted products

Name
LINBIT csync2 <=2.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-15523",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-15523"
    }
  },
  "description": "Linbit csync2\u662f\u5965\u5730\u5229Linbit\u516c\u53f8\u7684\u4e00\u6b3e\u96c6\u7fa4\u540c\u6b65\u5de5\u5177\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u4f7f\u7fa4\u96c6\u4e2d\u591a\u4e2a\u4e3b\u673a\u4e0a\u7684\u6587\u4ef6\u4fdd\u6301\u540c\u6b65\u3002\n\nLINBIT csync2 2.0\u7248\u672c\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u80fd\u6b63\u786e\u5730\u68c0\u67e5GNUTLS E\u6536\u5230\u7684GNUTLS handshake()\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002\u6309\u7167API\u8bbe\u8ba1\u7684\u8981\u6c42\uff0c\u5b83\u5ffd\u7565\u4e86\u518d\u6b21\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1ahttps://github.com/LINBIT/csync2/pull/13/commits/92742544a56bcbcd9ec99ca15f898b31797e39e2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-01535",
  "openTime": "2021-01-08",
  "patchDescription": "Linbit csync2\u662f\u5965\u5730\u5229Linbit\u516c\u53f8\u7684\u4e00\u6b3e\u96c6\u7fa4\u540c\u6b65\u5de5\u5177\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u4f7f\u7fa4\u96c6\u4e2d\u591a\u4e2a\u4e3b\u673a\u4e0a\u7684\u6587\u4ef6\u4fdd\u6301\u540c\u6b65\u3002\r\n\r\nLINBIT csync2 2.0\u7248\u672c\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u80fd\u6b63\u786e\u5730\u68c0\u67e5GNUTLS E\u6536\u5230\u7684GNUTLS handshake()\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002\u6309\u7167API\u8bbe\u8ba1\u7684\u8981\u6c42\uff0c\u5b83\u5ffd\u7565\u4e86\u518d\u6b21\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "Linbit csync2\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "LINBIT csync2 \u003c=2.0"
  },
  "referenceLink": "https://lists.debian.org/debian-lts-announce/2021/01/msg00003.html",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-04",
  "title": "Linbit csync2\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2019-15523 (GCVE-0-2019-15523)

Vulnerability from cvelistv5 – Published: 2020-12-30 20:04 – Updated: 2024-08-05 00:49

Summary

An issue was discovered in LINBIT csync2 through 2.0. It does not correctly check for the return value GNUTLS_E_WARNING_ALERT_RECEIVED of the gnutls_handshake() function. It neglects to call this function again, as required by the design of the API.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/LINBIT/csync2/pull/13/commits/…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T00:49:13.597Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/LINBIT/csync2/pull/13/commits/92742544a56bcbcd9ec99ca15f898b31797e39e2"
          },
          {
            "name": "[debian-lts-announce] 20210104 [SECURITY] [DLA 2515-1] csync2 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/01/msg00003.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in LINBIT csync2 through 2.0. It does not correctly check for the return value GNUTLS_E_WARNING_ALERT_RECEIVED of the gnutls_handshake() function. It neglects to call this function again, as required by the design of the API."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-04T18:06:08.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/LINBIT/csync2/pull/13/commits/92742544a56bcbcd9ec99ca15f898b31797e39e2"
        },
        {
          "name": "[debian-lts-announce] 20210104 [SECURITY] [DLA 2515-1] csync2 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/01/msg00003.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-15523",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An issue was discovered in LINBIT csync2 through 2.0. It does not correctly check for the return value GNUTLS_E_WARNING_ALERT_RECEIVED of the gnutls_handshake() function. It neglects to call this function again, as required by the design of the API."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
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        "references": {
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              "name": "https://github.com/LINBIT/csync2/pull/13/commits/92742544a56bcbcd9ec99ca15f898b31797e39e2",
              "refsource": "MISC",
              "url": "https://github.com/LINBIT/csync2/pull/13/commits/92742544a56bcbcd9ec99ca15f898b31797e39e2"
            },
            {
              "name": "[debian-lts-announce] 20210104 [SECURITY] [DLA 2515-1] csync2 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2021/01/msg00003.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-15523",
    "datePublished": "2020-12-30T20:04:16.000Z",
    "dateReserved": "2019-08-23T00:00:00.000Z",
    "dateUpdated": "2024-08-05T00:49:13.597Z",
    "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.

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Action not permitted

CNVD-2021-01535

CVE-2019-15523 (GCVE-0-2019-15523)

Tags

Sightings

Nomenclature

Related by attack behaviour