Vulnerability-Lookup

CNVD-2018-23913

Vulnerability from cnvd - Published: 2018-11-14

Title

Synology Calendar不当授权漏洞

Description

Synology Calendar是群晖（Synology）公司的一款运行在Synology NAS设备上的文件保护程序。 Synology Calendar中的SYNO.Cal.Event存在授权问题漏洞。远程攻击者可借助‘cal_id’或‘original_cal_id’参数利用该漏洞创建任意事件。

Severity

中

Patch Name

Synology Calendar不当授权漏洞的补丁

Patch Description

Synology Calendar是群晖（Synology）公司的一款运行在Synology NAS设备上的文件保护程序。 Synology Calendar中的SYNO.Cal.Event存在授权问题漏洞。远程攻击者可借助‘cal_id’或‘original_cal_id’参数利用该漏洞创建任意事件。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

厂商已发布漏洞修复程序，请及时关注更新： https://www.synology.cn/en-global/support/security/Synology_SA_18_16

Reference

https://www.synology.cn/en-global/support/security/Synology_SA_18_16

Impacted products

Name
Synology Calendar <2.1.2-0511

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-8927"
    }
  },
  "description": "Synology Calendar\u662f\u7fa4\u6656\uff08Synology\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u8fd0\u884c\u5728Synology NAS\u8bbe\u5907\u4e0a\u7684\u6587\u4ef6\u4fdd\u62a4\u7a0b\u5e8f\u3002\n\nSynology Calendar\u4e2d\u7684SYNO.Cal.Event\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u2018cal_id\u2019\u6216\u2018original_cal_id\u2019\u53c2\u6570\u5229\u7528\u8be5\u6f0f\u6d1e\u521b\u5efa\u4efb\u610f\u4e8b\u4ef6\u3002",
  "discovererName": "unknown",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.synology.cn/en-global/support/security/Synology_SA_18_16",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-23913",
  "openTime": "2018-11-14",
  "patchDescription": "Synology Calendar\u662f\u7fa4\u6656\uff08Synology\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u8fd0\u884c\u5728Synology NAS\u8bbe\u5907\u4e0a\u7684\u6587\u4ef6\u4fdd\u62a4\u7a0b\u5e8f\u3002\r\n\r\nSynology Calendar\u4e2d\u7684SYNO.Cal.Event\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u2018cal_id\u2019\u6216\u2018original_cal_id\u2019\u53c2\u6570\u5229\u7528\u8be5\u6f0f\u6d1e\u521b\u5efa\u4efb\u610f\u4e8b\u4ef6\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": "Synology Calendar\u4e0d\u5f53\u6388\u6743\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Synology Calendar \u003c2.1.2-0511"
  },
  "referenceLink": "https://www.synology.cn/en-global/support/security/Synology_SA_18_16",
  "serverity": "\u4e2d",
  "submitTime": "2018-06-15",
  "title": "Synology Calendar\u4e0d\u5f53\u6388\u6743\u6f0f\u6d1e"
}

CVE-2018-8927 (GCVE-0-2018-8927)

Vulnerability from cvelistv5 – Published: 2018-06-14 14:00 – Updated: 2024-09-16 17:34

Summary

Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511 allows remote authenticated users to create arbitrary events via the (1) cal_id or (2) original_cal_id parameter.

Severity ?

5.4 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CWE

CWE-863 - Incorrect Authorization

Assigner

synology

References

URL

Tags

https://www.synology.com/en-global/support/securi…

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	Synology	Calendar	Affected: unspecified , < 2.1.2-0511 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T07:10:46.616Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.synology.com/en-global/support/security/Synology_SA_18_16"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Calendar",
          "vendor": "Synology",
          "versions": [
            {
              "lessThan": "2.1.2-0511",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2018-06-14T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511 allows remote authenticated users to create arbitrary events via the (1) cal_id or (2) original_cal_id parameter."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863: Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-12T12:50:49",
        "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
        "shortName": "synology"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.synology.com/en-global/support/security/Synology_SA_18_16"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@synology.com",
          "DATE_PUBLIC": "2018-06-14T00:00:00",
          "ID": "CVE-2018-8927",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Calendar",
                      "version": {
                        "version_data": [
                          {
                            "affected": "\u003c",
                            "version_affected": "\u003c",
                            "version_value": "2.1.2-0511"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Synology"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "lang": "eng",
              "value": "Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511 allows remote authenticated users to create arbitrary events via the (1) cal_id or (2) original_cal_id parameter."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-863: Incorrect Authorization"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.synology.com/en-global/support/security/Synology_SA_18_16",
              "refsource": "CONFIRM",
              "url": "https://www.synology.com/en-global/support/security/Synology_SA_18_16"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
    "assignerShortName": "synology",
    "cveId": "CVE-2018-8927",
    "datePublished": "2018-06-14T14:00:00Z",
    "dateReserved": "2018-03-22T00:00:00",
    "dateUpdated": "2024-09-16T17:34:04.395Z",
    "state": "PUBLISHED"
  },
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  "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-2018-23913

CVE-2018-8927 (GCVE-0-2018-8927)

Tags

Sightings

Nomenclature