Vulnerability-Lookup

CNVD-2021-40156

Vulnerability from cnvd - Published: 2021-06-08

Title

Redhat redhat-certification访问控制错误漏洞

Description

Red Hat Certification是美国Red Hat公司的一个软件包。 Redhat redhat-certification 7中存在访问控制错误漏洞，该漏洞源于不能适当地限制XML文档中实体的递归定义的数量。攻击者可利用该漏洞消耗服务器的所有内存并导致拒绝服务。

Severity

中

Patch Name

Redhat redhat-certification访问控制错误漏洞的补丁

Patch Description

Red Hat Certification是美国Red Hat公司的一个软件包。 Redhat redhat-certification 7中存在访问控制错误漏洞，该漏洞源于不能适当地限制XML文档中实体的递归定义的数量。攻击者可利用该漏洞消耗服务器的所有内存并导致拒绝服务。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，详情请关注厂商主页： https://bugzilla.redhat.com/show_bug.cgi?id=1593776

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1593776

Impacted products

Name
Red Hat Redhat redhat-certification 7

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-10868",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2018-10868"
    }
  },
  "description": "Red Hat Certification\u662f\u7f8e\u56fdRed Hat\u516c\u53f8\u7684\u4e00\u4e2a\u8f6f\u4ef6\u5305\u3002\n\nRedhat redhat-certification 7\u4e2d\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e0d\u80fd\u9002\u5f53\u5730\u9650\u5236XML\u6587\u6863\u4e2d\u5b9e\u4f53\u7684\u9012\u5f52\u5b9a\u4e49\u7684\u6570\u91cf\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6d88\u8017\u670d\u52a1\u5668\u7684\u6240\u6709\u5185\u5b58\u5e76\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1593776",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-40156",
  "openTime": "2021-06-08",
  "patchDescription": "Red Hat Certification\u662f\u7f8e\u56fdRed Hat\u516c\u53f8\u7684\u4e00\u4e2a\u8f6f\u4ef6\u5305\u3002\r\n\r\nRedhat redhat-certification 7\u4e2d\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e0d\u80fd\u9002\u5f53\u5730\u9650\u5236XML\u6587\u6863\u4e2d\u5b9e\u4f53\u7684\u9012\u5f52\u5b9a\u4e49\u7684\u6570\u91cf\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6d88\u8017\u670d\u52a1\u5668\u7684\u6240\u6709\u5185\u5b58\u5e76\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "Redhat redhat-certification\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Red Hat Redhat redhat-certification 7"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1593776",
  "serverity": "\u4e2d",
  "submitTime": "2021-06-03",
  "title": "Redhat redhat-certification\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2018-10868 (GCVE-0-2018-10868)

Vulnerability from cvelistv5 – Published: 2021-05-26 18:03 – Updated: 2024-08-05 07:46

Summary

redhat-certification 7 does not properly restrict the number of recursive definitions of entities in XML documents, allowing an unauthenticated user to run a "Billion Laugh Attack" by replying to XMLRPC methods when getting the status of an host.

Severity

No CVSS data available.

CWE

CWE-400

Assigner

redhat redhat root Scorecard

References

2 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1593776	x_refsource_MISC
https://access.redhat.com/security/cve/CVE-2018-10868	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	redhat-certification	Affected: redhat-certification 7

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T07:46:47.017Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1593776"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2018-10868"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "redhat-certification",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "redhat-certification 7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "redhat-certification 7 does not properly restrict the number of recursive definitions of entities in XML documents, allowing an unauthenticated user to run a \"Billion Laugh Attack\" by replying to XMLRPC methods when getting the status of an host."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-08-05T15:24:19.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1593776"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2018-10868"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2018-10868",
    "datePublished": "2021-05-26T18:03:25.000Z",
    "dateReserved": "2018-05-09T00:00:00.000Z",
    "dateUpdated": "2024-08-05T07:46:47.017Z",
    "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.

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.

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CNVD-2021-40156

CVE-2018-10868 (GCVE-0-2018-10868)

Tags

Sightings

Nomenclature

Related by attack behaviour