cnvd - cnvd-2020-47600

CNVD-2020-47600

Vulnerability from cnvd - Published: 2020-08-22

Title

IBM DB2资源管理错误漏洞

Description

IBM DB2是美国IBM公司的一套关系型数据库管理系统。该系统的执行环境主要有UNIX、Linux、IBMi、z/OS以及Windows服务器版本。 IBM DB2资源管理错误漏洞，该漏洞源于程序没有正确处理安全套接字层（SSL）重新协商请求。远程攻击者可借助特制请求利用该漏洞占用大量资源。

Severity

中

Patch Name

IBM DB2资源管理错误漏洞的补丁

Patch Description

IBM DB2是美国IBM公司的一套关系型数据库管理系统。该系统的执行环境主要有UNIX、Linux、IBMi、z/OS以及Windows服务器版本。 IBM DB2资源管理错误漏洞，该漏洞源于程序没有正确处理安全套接字层（SSL）重新协商请求。远程攻击者可借助特制请求利用该漏洞占用大量资源。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://www.ibm.com/support/pages/node/6242350

Reference

https://www.ibm.com/blogs/psirt/security-bulletin-ibm-db2-may-be-vulnerable-to-a-denial-of-service-attack-cve-2020-4355/

Impacted products

Name
['IBM IBM DB2 V9.7', 'IBM IBM DB2 V10.1', 'IBM IBM DB2 V10.5', 'IBM IBM DB2 V11.1', 'IBM IBM DB2 V11.5']

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JSON

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    "cve": {
      "cveNumber": "CVE-2020-4355"
    }
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  "description": "IBM DB2\u662f\u7f8e\u56fdIBM\u516c\u53f8\u7684\u4e00\u5957\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u7684\u6267\u884c\u73af\u5883\u4e3b\u8981\u6709UNIX\u3001Linux\u3001IBMi\u3001z/OS\u4ee5\u53caWindows\u670d\u52a1\u5668\u7248\u672c\u3002\n\nIBM DB2\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6ca1\u6709\u6b63\u786e\u5904\u7406\u5b89\u5168\u5957\u63a5\u5b57\u5c42\uff08SSL\uff09\u91cd\u65b0\u534f\u5546\u8bf7\u6c42\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u5360\u7528\u5927\u91cf\u8d44\u6e90\u3002",
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  "number": "CNVD-2020-47600",
  "openTime": "2020-08-22",
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  "patchName": "IBM DB2\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
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    ]
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  "referenceLink": "https://www.ibm.com/blogs/psirt/security-bulletin-ibm-db2-may-be-vulnerable-to-a-denial-of-service-attack-cve-2020-4355/",
  "serverity": "\u4e2d",
  "submitTime": "2020-07-02",
  "title": "IBM DB2\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-4355 (GCVE-0-2020-4355)

Vulnerability from cvelistv5 – Published: 2020-07-01 14:25 – Updated: 2024-09-17 03:07

Summary

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 is vulnerable to a denial of service, caused by improper handling of Secure Sockets Layer (SSL) renegotiation requests. By sending specially-crafted requests, a remote attacker could exploit this vulnerability to increase the resource usage on the system. IBM X-Force ID: 178507.

Severity ?

5.3 (Medium)


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

CWE

Denial of Service

Assigner

ibm

References

URL

Tags

	https://www.ibm.com/support/pages/node/6242350	x_refsource_CONFIRM
	https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF

Impacted products

	Vendor	Product	Version
	IBM	DB2 for Linux- UNIX and Windows	Affected: 9.7 Affected: 10.1 Affected: 10.5 Affected: 11.1 Affected: 11.5

Show details on NVD website

JSON

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            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/178507"
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        ],
        "title": "CVE Program Container"
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    "cna": {
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        }
      ],
      "metrics": [
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "confidentialityImpact": "NONE",
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            "privilegesRequired": "NONE",
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Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2020-47600

CVE-2020-4355 (GCVE-0-2020-4355)

Tags

Sightings

Nomenclature