Vulnerability-Lookup

CNVD-2020-66859

Vulnerability from cnvd - Published: 2020-11-26

Title

Nagios XI权限不当保留漏洞

Description

Nagios XI是基于Nagios Core构建的商业监控解决方案，包括仪表板、基于Web的配置、高级报告及丰富的数据可视化。 Nagios XI 5.7.4存在权限不当保留漏洞。本地低权限用户可利用该漏洞以root权限写入并执行任意PHP代码。

Severity

高

Patch Name

Nagios XI权限不当保留漏洞的补丁

Patch Description

Nagios XI是基于Nagios Core构建的商业监控解决方案，包括仪表板、基于Web的配置、高级报告及丰富的数据可视化。 Nagios XI 5.7.4存在权限不当保留漏洞。本地低权限用户可利用该漏洞以root权限写入并执行任意PHP代码。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.nagios.com/downloads/nagios-xi/change-log/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-5796

Impacted products

Name
Nagios Nagios XI 5.7.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-5796",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-5796"
    }
  },
  "description": "Nagios XI\u662f\u57fa\u4e8eNagios Core\u6784\u5efa\u7684\u5546\u4e1a\u76d1\u63a7\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec\u4eea\u8868\u677f\u3001\u57fa\u4e8eWeb\u7684\u914d\u7f6e\u3001\u9ad8\u7ea7\u62a5\u544a\u53ca\u4e30\u5bcc\u7684\u6570\u636e\u53ef\u89c6\u5316\u3002\n\nNagios XI 5.7.4\u5b58\u5728\u6743\u9650\u4e0d\u5f53\u4fdd\u7559\u6f0f\u6d1e\u3002\u672c\u5730\u4f4e\u6743\u9650\u7528\u6237\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5root\u6743\u9650\u5199\u5165\u5e76\u6267\u884c\u4efb\u610fPHP\u4ee3\u7801\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\uff1a\r\nhttps://www.nagios.com/downloads/nagios-xi/change-log/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-66859",
  "openTime": "2020-11-26",
  "patchDescription": "Nagios XI\u662f\u57fa\u4e8eNagios Core\u6784\u5efa\u7684\u5546\u4e1a\u76d1\u63a7\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec\u4eea\u8868\u677f\u3001\u57fa\u4e8eWeb\u7684\u914d\u7f6e\u3001\u9ad8\u7ea7\u62a5\u544a\u53ca\u4e30\u5bcc\u7684\u6570\u636e\u53ef\u89c6\u5316\u3002\r\n\r\nNagios XI 5.7.4\u5b58\u5728\u6743\u9650\u4e0d\u5f53\u4fdd\u7559\u6f0f\u6d1e\u3002\u672c\u5730\u4f4e\u6743\u9650\u7528\u6237\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5root\u6743\u9650\u5199\u5165\u5e76\u6267\u884c\u4efb\u610fPHP\u4ee3\u7801\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": "Nagios XI\u6743\u9650\u4e0d\u5f53\u4fdd\u7559\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Nagios     Nagios XI 5.7.4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-5796",
  "serverity": "\u9ad8",
  "submitTime": "2020-11-16",
  "title": "Nagios XI\u6743\u9650\u4e0d\u5f53\u4fdd\u7559\u6f0f\u6d1e"
}

CVE-2020-5796 (GCVE-0-2020-5796)

Vulnerability from cvelistv5 – Published: 2020-11-13 19:55 – Updated: 2024-08-04 08:39

Summary

Improper preservation of permissions in Nagios XI 5.7.4 allows a local, low-privileged, authenticated user to weaken the permissions of files, resulting in low-privileged users being able to write to and execute arbitrary PHP code with root privileges.

Severity

No CVSS data available.

CWE

Local Privilege Escalation

Assigner

tenable mitre root

References

1 reference

URL	Tags
https://www.tenable.com/security/research/tra-2020-61	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Nagios XI	Affected: 5.7.4

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:39:25.911Z",
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              "x_transferred"
            ],
            "url": "https://www.tenable.com/security/research/tra-2020-61"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "Nagios XI",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "5.7.4"
            }
          ]
        }
      ],
      "descriptions": [
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          "value": "Improper preservation of permissions in Nagios XI 5.7.4 allows a local, low-privileged, authenticated user to weaken the permissions of files, resulting in low-privileged users being able to write to and execute arbitrary PHP code with root privileges."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Local Privilege Escalation",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
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        "dateUpdated": "2020-11-13T19:55:44.000Z",
        "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
        "shortName": "tenable"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.tenable.com/security/research/tra-2020-61"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnreport@tenable.com",
          "ID": "CVE-2020-5796",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Nagios XI",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "5.7.4"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
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        "data_type": "CVE",
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        "description": {
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              "value": "Improper preservation of permissions in Nagios XI 5.7.4 allows a local, low-privileged, authenticated user to weaken the permissions of files, resulting in low-privileged users being able to write to and execute arbitrary PHP code with root privileges."
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          ]
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        "problemtype": {
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                  "value": "Local Privilege Escalation"
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              "refsource": "MISC",
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            }
          ]
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  },
  "cveMetadata": {
    "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
    "assignerShortName": "tenable",
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    "dateReserved": "2020-01-06T00:00:00.000Z",
    "dateUpdated": "2024-08-04T08:39:25.911Z",
    "state": "PUBLISHED"
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}

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.