Vulnerability-Lookup

CNVD-2021-65649

Vulnerability from cnvd - Published: 2021-08-26

Title

F5 BIG-IP TMM拒绝服务漏洞（CNVD-2021-65649）

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 TMM存在拒绝服务漏洞，该漏洞源于在Virtual Server上关联启用了DNS Cache解析器的DNS profile文件时，存在特定的请求可能会导致TMM进程终止。当TMM进程重新启动时，流量会中断，攻击者可利用该漏洞在BIG-IP系统上造成拒绝服务 (DoS)。

Severity

高

Patch Name

F5 BIG-IP TMM拒绝服务漏洞（CNVD-2021-65649）的补丁

Patch Description

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/K30523121

Reference

https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-23034

Impacted products

Name
['F5 BIG-IP (所有模块) 16.0.0-16.0.1', 'F5 BIG-IP (所有模块) 15.1.0-15.1.3']

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JSON

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    "cve": {
      "cveNumber": "CVE-2021-23034"
    }
  },
  "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 TMM\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728Virtual Server\u4e0a\u5173\u8054\u542f\u7528\u4e86DNS Cache\u89e3\u6790\u5668\u7684DNS profile\u6587\u4ef6\u65f6\uff0c\u5b58\u5728\u7279\u5b9a\u7684\u8bf7\u6c42\u53ef\u80fd\u4f1a\u5bfc\u81f4TMM\u8fdb\u7a0b\u7ec8\u6b62\u3002\u5f53TMM\u8fdb\u7a0b\u91cd\u65b0\u542f\u52a8\u65f6\uff0c\u6d41\u91cf\u4f1a\u4e2d\u65ad\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/K30523121",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-65649",
  "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 TMM\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728Virtual Server\u4e0a\u5173\u8054\u542f\u7528\u4e86DNS Cache\u89e3\u6790\u5668\u7684DNS profile\u6587\u4ef6\u65f6\uff0c\u5b58\u5728\u7279\u5b9a\u7684\u8bf7\u6c42\u53ef\u80fd\u4f1a\u5bfc\u81f4TMM\u8fdb\u7a0b\u7ec8\u6b62\u3002\u5f53TMM\u8fdb\u7a0b\u91cd\u65b0\u542f\u52a8\u65f6\uff0c\u6d41\u91cf\u4f1a\u4e2d\u65ad\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 TMM\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-65649\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "F5 BIG-IP (\u6240\u6709\u6a21\u5757) 16.0.0-16.0.1",
      "F5 BIG-IP (\u6240\u6709\u6a21\u5757) 15.1.0-15.1.3"
    ]
  },
  "referenceLink": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-23034",
  "serverity": "\u9ad8",
  "submitTime": "2021-08-26",
  "title": "F5 BIG-IP TMM\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-65649\uff09"
}

CVE-2021-23034 (GCVE-0-2021-23034)

Vulnerability from cvelistv5 – Published: 2021-09-14 17:58 – Updated: 2024-08-03 18:58

Summary

On BIG-IP version 16.x before 16.1.0 and 15.1.x before 15.1.3.1, when a DNS profile using a DNS cache resolver is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Severity

No CVSS data available.

CWE

CWE-20

Assigner

f5 mitre root

References

1 reference

URL	Tags
https://support.f5.com/csp/article/K30523121	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	BIG-IP	Affected: 16.x before 16.1.0 and 15.1.x before 15.1.3.1

Show details on NVD website

JSON

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              "x_transferred"
            ],
            "url": "https://support.f5.com/csp/article/K30523121"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "BIG-IP",
          "vendor": "n/a",
          "versions": [
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        }
      ],
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        "orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
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      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.f5.com/csp/article/K30523121"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "f5sirt@f5.com",
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        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
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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.