Vulnerability-Lookup

CNVD-2021-65639

Vulnerability from cnvd - Published: 2021-08-26

Title

F5 BIG IP APM OCSP拒绝服务漏洞

Description

F5 BIG-IP是F5公司的一款集成了网络流量编排、负载均衡、智能DNS，远程接入策略管理等功能的应用交付平台。 F5 BIG IP APM OCSP拒绝服务漏洞，当BIG-IP APM对包含授权信息访问 (AIA) 的证书执行OCSP 验证时，攻击者可利用该漏洞在BIG-IP系统上造成拒绝服务 (DoS)。

Severity

中

Patch Name

F5 BIG IP APM OCSP拒绝服务漏洞的补丁

Patch Description

F5 BIG-IP是F5公司的一款集成了网络流量编排、负载均衡、智能DNS，远程接入策略管理等功能的应用交付平台。 F5 BIG IP APM OCSP拒绝服务漏洞，当BIG-IP APM对包含授权信息访问 (AIA) 的证书执行OCSP 验证时，攻击者可利用该漏洞在BIG-IP系统上造成拒绝服务 (DoS)。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://support.f5.com/csp/article/K79428827

Reference

https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-23047

Impacted products

Name
F5 BIG-IP APM 16.0.0-16.0.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-23047"
    }
  },
  "description": "F5 BIG-IP\u662fF5\u516c\u53f8\u7684\u4e00\u6b3e\u96c6\u6210\u4e86\u7f51\u7edc\u6d41\u91cf\u7f16\u6392\u3001\u8d1f\u8f7d\u5747\u8861\u3001\u667a\u80fdDNS\uff0c\u8fdc\u7a0b\u63a5\u5165\u7b56\u7565\u7ba1\u7406\u7b49\u529f\u80fd\u7684\u5e94\u7528\u4ea4\u4ed8\u5e73\u53f0\u3002\n\nF5 BIG IP APM OCSP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5f53BIG-IP APM\u5bf9\u5305\u542b\u6388\u6743\u4fe1\u606f\u8bbf\u95ee (AIA) \u7684\u8bc1\u4e66\u6267\u884cOCSP \u9a8c\u8bc1\u65f6\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728BIG-IP\u7cfb\u7edf\u4e0a\u9020\u6210\u62d2\u7edd\u670d\u52a1\u00a0(DoS)\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://support.f5.com/csp/article/K79428827",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-65639",
  "openTime": "2021-08-26",
  "patchDescription": "F5 BIG-IP\u662fF5\u516c\u53f8\u7684\u4e00\u6b3e\u96c6\u6210\u4e86\u7f51\u7edc\u6d41\u91cf\u7f16\u6392\u3001\u8d1f\u8f7d\u5747\u8861\u3001\u667a\u80fdDNS\uff0c\u8fdc\u7a0b\u63a5\u5165\u7b56\u7565\u7ba1\u7406\u7b49\u529f\u80fd\u7684\u5e94\u7528\u4ea4\u4ed8\u5e73\u53f0\u3002\r\n\r\nF5 BIG IP APM OCSP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5f53BIG-IP APM\u5bf9\u5305\u542b\u6388\u6743\u4fe1\u606f\u8bbf\u95ee (AIA) \u7684\u8bc1\u4e66\u6267\u884cOCSP \u9a8c\u8bc1\u65f6\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728BIG-IP\u7cfb\u7edf\u4e0a\u9020\u6210\u62d2\u7edd\u670d\u52a1\u00a0(DoS)\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": "F5 BIG IP APM OCSP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "F5 BIG-IP APM 16.0.0-16.0.1"
  },
  "referenceLink": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-23047",
  "serverity": "\u4e2d",
  "submitTime": "2021-08-26",
  "title": "F5 BIG IP APM OCSP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2021-23047 (GCVE-0-2021-23047)

Vulnerability from cvelistv5 – Published: 2021-09-14 13:26 – Updated: 2024-08-03 18:58

Summary

On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, and all versions of 13.1.x, 12.1.x and 11.6.x, when BIG-IP APM performs Online Certificate Status Protocol (OCSP) verification of a certificate that contains Authority Information Access (AIA), undisclosed requests may cause an increase in memory use. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Severity

No CVSS data available.

CWE

CWE-400

Assigner

f5 mitre root Scorecard

References

1 reference

URL	Tags
https://support.f5.com/csp/article/K79428827	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	BIG-IP APM	Affected: 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, and all versions of 13.1.x, 12.1.x and 11.6.x

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:58:26.410Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.f5.com/csp/article/K79428827"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "BIG-IP APM",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, and all versions of 13.1.x, 12.1.x and 11.6.x"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, and all versions of 13.1.x, 12.1.x and 11.6.x, when BIG-IP APM performs Online Certificate Status Protocol (OCSP) verification of a certificate that contains Authority Information Access (AIA), undisclosed requests may cause an increase in memory use. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-14T13:26:50.000Z",
        "orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
        "shortName": "f5"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.f5.com/csp/article/K79428827"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "f5sirt@f5.com",
          "ID": "CVE-2021-23047",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "BIG-IP APM",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, and all versions of 13.1.x, 12.1.x and 11.6.x"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "eng",
              "value": "On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, and all versions of 13.1.x, 12.1.x and 11.6.x, when BIG-IP APM performs Online Certificate Status Protocol (OCSP) verification of a certificate that contains Authority Information Access (AIA), undisclosed requests may cause an increase in memory use. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
            }
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        },
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          "problemtype_data": [
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                  "lang": "eng",
                  "value": "CWE-400"
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        },
        "references": {
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            {
              "name": "https://support.f5.com/csp/article/K79428827",
              "refsource": "MISC",
              "url": "https://support.f5.com/csp/article/K79428827"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
    "assignerShortName": "f5",
    "cveId": "CVE-2021-23047",
    "datePublished": "2021-09-14T13:26:50.000Z",
    "dateReserved": "2021-01-06T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:58:26.410Z",
    "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.

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CNVD-2021-65639

CVE-2021-23047 (GCVE-0-2021-23047)

Tags

Sightings

Nomenclature

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