Vulnerability-Lookup

CNVD-2021-65648

Vulnerability from cnvd - Published: 2021-08-26

Title

F5 BIG-IP TMM拒绝服务漏洞（CNVD-2021-65648）

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上关联了HTTP配置文件的情况下，在特定的数据包序列之后，chunked responses可能导致TMM终止。当TMM进程重新启动时，流量中断，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-2021-65648）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/K70415522

Reference

https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-23035

Impacted products

Name
F5 BIG-IP (所有模块) 14.1.0-14.1.4

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2021-23035"
    }
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  "number": "CNVD-2021-65648",
  "openTime": "2021-08-26",
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  "referenceLink": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-23035",
  "serverity": "\u9ad8",
  "submitTime": "2021-08-26",
  "title": "F5 BIG-IP TMM\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-65648\uff09"
}

CVE-2021-23035 (GCVE-0-2021-23035)

Vulnerability from cvelistv5 – Published: 2021-09-14 17:21 – Updated: 2024-08-03 18:58

Summary

On BIG-IP 14.1.x before 14.1.4.4, when an HTTP profile is configured on a virtual server, after a specific sequence of packets, chunked responses can cause the Traffic Management Microkernel (TMM) 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/K70415522	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	BIG-IP	Affected: 14.1.x before 14.1.4.4

Show details on NVD website

JSON

To clipboard

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            "tags": [
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              "x_transferred"
            ],
            "url": "https://support.f5.com/csp/article/K70415522"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "BIG-IP",
          "vendor": "n/a",
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        }
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        "dateUpdated": "2021-09-14T17:21:06.000Z",
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      },
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          "tags": [
            "x_refsource_MISC"
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      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "f5sirt@f5.com",
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        },
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            "vendor_data": [
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                    {
                      "product_name": "BIG-IP",
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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.