Vulnerability-Lookup

CNVD-2020-60338

Vulnerability from cnvd - Published: 2020-11-03

Title

IBM System x servers任意代码执行漏洞

Description

IBM System x servers是美国国际商业机器公司（IBM）的一款服务器。 IBM System x服务器存在任意代码执行漏洞，该漏洞源于在旧的BIOS模式USB驱动程序中使用的SMI回调函数的一个潜在漏洞可能允许任意代码执行。在UEFI模式下操作的服务器未受影响。目前没有详细漏洞细节提供。

Severity

中

Patch Name

IBM System x servers任意代码执行漏洞的补丁

Patch Description

IBM System x servers是美国国际商业机器公司（IBM）的一款服务器。 IBM System x服务器存在任意代码执行漏洞，该漏洞源于在旧的BIOS模式USB驱动程序中使用的SMI回调函数的一个潜在漏洞可能允许任意代码执行。在UEFI模式下操作的服务器未受影响。目前没有详细漏洞细节提供。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://support.lenovo.com/us/en/product_security/LEN-38625

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-8332

Impacted products

Name
IBM IBM System x servers

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8332",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-8332"
    }
  },
  "description": "IBM System x servers\u662f\u7f8e\u56fd\u56fd\u9645\u5546\u4e1a\u673a\u5668\u516c\u53f8\uff08IBM\uff09\u7684\u4e00\u6b3e\u670d\u52a1\u5668\u3002\n\nIBM System x\u670d\u52a1\u5668\u5b58\u5728\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u65e7\u7684BIOS\u6a21\u5f0fUSB\u9a71\u52a8\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7684SMI\u56de\u8c03\u51fd\u6570\u7684\u4e00\u4e2a\u6f5c\u5728\u6f0f\u6d1e\u53ef\u80fd\u5141\u8bb8\u4efb\u610f\u4ee3\u7801\u6267\u884c\u3002\u5728UEFI\u6a21\u5f0f\u4e0b\u64cd\u4f5c\u7684\u670d\u52a1\u5668\u672a\u53d7\u5f71\u54cd\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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.lenovo.com/us/en/product_security/LEN-38625",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-60338",
  "openTime": "2020-11-03",
  "patchDescription": "IBM System x servers\u662f\u7f8e\u56fd\u56fd\u9645\u5546\u4e1a\u673a\u5668\u516c\u53f8\uff08IBM\uff09\u7684\u4e00\u6b3e\u670d\u52a1\u5668\u3002\r\n\r\nIBM System x\u670d\u52a1\u5668\u5b58\u5728\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u65e7\u7684BIOS\u6a21\u5f0fUSB\u9a71\u52a8\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7684SMI\u56de\u8c03\u51fd\u6570\u7684\u4e00\u4e2a\u6f5c\u5728\u6f0f\u6d1e\u53ef\u80fd\u5141\u8bb8\u4efb\u610f\u4ee3\u7801\u6267\u884c\u3002\u5728UEFI\u6a21\u5f0f\u4e0b\u64cd\u4f5c\u7684\u670d\u52a1\u5668\u672a\u53d7\u5f71\u54cd\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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 System x servers\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "IBM IBM System x servers"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-8332",
  "serverity": "\u4e2d",
  "submitTime": "2020-10-21",
  "title": "IBM System x servers\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2020-8332 (GCVE-0-2020-8332)

Vulnerability from cvelistv5 – Published: 2020-10-14 21:25 – Updated: 2024-08-04 09:56

Summary

A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.

Severity

6.4 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Assigner

lenovo mitre root

References

1 reference

URL	Tags
https://support.lenovo.com/us/en/product_security…	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
Lenovo	System x	Affected: various
IBM	System x	Affected: various

Show details on NVD website

JSON

To clipboard

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        },
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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.