Vulnerability-Lookup

CNVD-2021-05450

Vulnerability from cnvd - Published: 2021-01-24

Title

IBM MQ Internet Pass-Thru拒绝服务漏洞

Description

IBM MQ Internet Pass-Thru是美国IBM公司的一个用于支持在Internet上的远程站点之间实现消息传递的产品。该产品为IBM MQ的扩展功能组件，可充当在交互过程中建立协议通道或代理，使IBM MQ通道协议通过防火墙的进出更加简单和易于管理。 IBM MQ Internet Pass-Thru 存在拒绝服务漏洞，远程攻击者可利用该漏洞通过发送将消耗所有可用资源的格式错误的MQ数据请求而导致拒绝服务。

Severity

中

Patch Name

IBM MQ Internet Pass-Thru拒绝服务漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://access.redhat.com/errata/RHSA-2020:4766

Reference

https://www.ibm.com/blogs/psirt/security-bulletin-ibm-mq-internet-pass-thru-is-vulnerable-to-a-denial-of-service-attack-cve-2020-4766/

Impacted products

Name
IBM IBM MQ Internet Pass-Thru

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-4766",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-4766"
    }
  },
  "description": "IBM MQ Internet Pass-Thru\u662f\u7f8e\u56fdIBM\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u652f\u6301\u5728Internet\u4e0a\u7684\u8fdc\u7a0b\u7ad9\u70b9\u4e4b\u95f4\u5b9e\u73b0\u6d88\u606f\u4f20\u9012\u7684\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u4e3aIBM MQ\u7684\u6269\u5c55\u529f\u80fd\u7ec4\u4ef6\uff0c\u53ef\u5145\u5f53\u5728\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\u5efa\u7acb\u534f\u8bae\u901a\u9053\u6216\u4ee3\u7406\uff0c\u4f7fIBM MQ\u901a\u9053\u534f\u8bae\u901a\u8fc7\u9632\u706b\u5899\u7684\u8fdb\u51fa\u66f4\u52a0\u7b80\u5355\u548c\u6613\u4e8e\u7ba1\u7406\u3002\n\nIBM MQ Internet Pass-Thru \u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u5c06\u6d88\u8017\u6240\u6709\u53ef\u7528\u8d44\u6e90\u7684\u683c\u5f0f\u9519\u8bef\u7684MQ\u6570\u636e\u8bf7\u6c42\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://access.redhat.com/errata/RHSA-2020:4766",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-05450",
  "openTime": "2021-01-24",
  "patchDescription": "IBM MQ Internet Pass-Thru\u662f\u7f8e\u56fdIBM\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u652f\u6301\u5728Internet\u4e0a\u7684\u8fdc\u7a0b\u7ad9\u70b9\u4e4b\u95f4\u5b9e\u73b0\u6d88\u606f\u4f20\u9012\u7684\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u4e3aIBM MQ\u7684\u6269\u5c55\u529f\u80fd\u7ec4\u4ef6\uff0c\u53ef\u5145\u5f53\u5728\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\u5efa\u7acb\u534f\u8bae\u901a\u9053\u6216\u4ee3\u7406\uff0c\u4f7fIBM MQ\u901a\u9053\u534f\u8bae\u901a\u8fc7\u9632\u706b\u5899\u7684\u8fdb\u51fa\u66f4\u52a0\u7b80\u5355\u548c\u6613\u4e8e\u7ba1\u7406\u3002\r\n\r\nIBM MQ Internet Pass-Thru \u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u5c06\u6d88\u8017\u6240\u6709\u53ef\u7528\u8d44\u6e90\u7684\u683c\u5f0f\u9519\u8bef\u7684MQ\u6570\u636e\u8bf7\u6c42\u800c\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": "IBM MQ Internet Pass-Thru\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "IBM IBM MQ Internet Pass-Thru"
  },
  "referenceLink": "https://www.ibm.com/blogs/psirt/security-bulletin-ibm-mq-internet-pass-thru-is-vulnerable-to-a-denial-of-service-attack-cve-2020-4766/",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-22",
  "title": "IBM MQ Internet Pass-Thru\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2020-4766 (GCVE-0-2020-4766)

Vulnerability from cvelistv5 – Published: 2021-01-22 16:50 – Updated: 2024-09-16 16:23

Summary

IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources. IBM X-Force ID: 188093.

Severity

5.9 (Medium)


                        
                          CVSS:3.0/C:N/PR:N/AV:N/S:U/A:H/UI:N/I:N/AC:H/RC:C/E:U/RL:O

CWE

Denial of Service

Assigner

ibm mitre root Scorecard

References

2 references

URL	Tags
https://www.ibm.com/support/pages/node/6406254	x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF

Impacted products

1 product

Vendor	Product	Version
IBM	MQ Internet Pass-Thru	Affected: 2.1 Affected: 9.2

Date Public

2021-01-21 00:00

Show details on NVD website

JSON

To clipboard

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          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
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            "reportConfidence": "CONFIRMED",
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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.

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.
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CNVD-2021-05450

CVE-2020-4766 (GCVE-0-2020-4766)

Tags

Sightings

Nomenclature

Related by attack behaviour