Vulnerability-Lookup

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']

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2020-4355"
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  "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 CNA under the mitre root

CNA scorecard B 88/100 over 1308 records in the last 180 days details

References

2 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

1 product

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

Date Public

2020-06-30 00:00

Show details on NVD website

JSON

To clipboard

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            "exploitCodeMaturity": "UNPROVEN",
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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.

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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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