Vulnerability-Lookup

CNVD-2021-95945

Vulnerability from cnvd - Published: 2021-12-10

Title

Unitrends Backup格式化字符串错误漏洞

Description

Unitrends Backup是消除数据丢失、勒索软件和风险。 Unitrends Backup 10.5.5之前版本存在格式化字符串错误漏洞，该漏洞源于创建的HTTP请求可能会在有特权的vaultServer应用程序中引发格式字符串漏洞。目前没有详细漏洞细节提供。

Severity

中

Patch Name

Unitrends Backup格式化字符串错误漏洞的补丁

Patch Description

Unitrends Backup是消除数据丢失、勒索软件和风险。 Unitrends Backup 10.5.5之前版本存在格式化字符串错误漏洞，该漏洞源于创建的HTTP请求可能会在有特权的vaultServer应用程序中引发格式字符串漏洞。目前没有详细漏洞细节提供。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://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961

Reference

https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961

Impacted products

Name
Unitrends Unitrends Backup <10.5.5

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-43041",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-43041"
    }
  },
  "description": "Unitrends Backup\u662f\u6d88\u9664\u6570\u636e\u4e22\u5931\u3001 \u52d2\u7d22\u8f6f\u4ef6\u548c\u98ce\u9669\u3002\n\nUnitrends Backup 10.5.5\u4e4b\u524d\u7248\u672c\u5b58\u5728\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u521b\u5efa\u7684HTTP\u8bf7\u6c42\u53ef\u80fd\u4f1a\u5728\u6709\u7279\u6743\u7684vaultServer\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5f15\u53d1\u683c\u5f0f\u5b57\u7b26\u4e32\u6f0f\u6d1e\u3002 \u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-95945",
  "openTime": "2021-12-10",
  "patchDescription": "Unitrends Backup\u662f\u6d88\u9664\u6570\u636e\u4e22\u5931\u3001 \u52d2\u7d22\u8f6f\u4ef6\u548c\u98ce\u9669\u3002\r\n\r\nUnitrends Backup 10.5.5\u4e4b\u524d\u7248\u672c\u5b58\u5728\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u521b\u5efa\u7684HTTP\u8bf7\u6c42\u53ef\u80fd\u4f1a\u5728\u6709\u7279\u6743\u7684vaultServer\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5f15\u53d1\u683c\u5f0f\u5b57\u7b26\u4e32\u6f0f\u6d1e\u3002 \u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\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": "Unitrends Backup\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Unitrends Unitrends Backup \u003c10.5.5"
  },
  "referenceLink": "https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-09",
  "title": "Unitrends Backup\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-43041 (GCVE-0-2021-43041)

Vulnerability from cvelistv5 – Published: 2021-12-06 00:00 – Updated: 2024-08-04 03:47

Summary

An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. A crafted HTTP request could induce a format string vulnerability in the privileged vaultServer application.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://helpdesk.kaseya.com/hc/en-gb/articles/441…
https://www.cyberonesecurity.com/blog/exploiting-…
https://www.cyberonesecurity.com/blog/exploiting-…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:47:13.237Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2"
          }
        ],
        "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 Kaseya Unitrends Backup Appliance before 10.5.5. A crafted HTTP request could induce a format string vulnerability in the privileged vaultServer application."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-11-23T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "url": "https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961"
        },
        {
          "url": "https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1"
        },
        {
          "url": "https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-43041",
    "datePublished": "2021-12-06T00:00:00.000Z",
    "dateReserved": "2021-10-26T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:47:13.237Z",
    "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.

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.