Vulnerability-Lookup

CNVD-2021-27996

Vulnerability from cnvd - Published: 2021-04-14

Title

多款Intel产品存在未明漏洞（CNVD-2021-27996）

Description

Intel Core Processors是美国英特尔（Intel）公司的一款Intel Core系列中央处理器（CPU）。多款Intel产品中存在安全漏洞，该漏洞源于在数据缓存中，程序未正确地进行数据转发，本地攻击者可利用该漏洞获取信息。

Severity

低

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.intel.com/

Reference

https://access.redhat.com/security/cve/cve-2020-0550 https://software.intel.com/security-software-guidance/software-guidance/snoop-assisted-l1-data-sampling

Impacted products

Name
['Intel Xeon Processor D-1518', 'Intel Xeon Processor D-1519', 'Intel Xeon Processor D-1521', 'Intel Xeon Processor D-1527', 'Intel Xeon Processor D-1528', 'Intel Xeon Processor D-1529', 'Intel Xeon Processor D-1531', 'Intel Xeon Processor D-1533']

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2020-0550"
    }
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  "description": "Intel Core Processors\u662f\u7f8e\u56fd\u82f1\u7279\u5c14\uff08Intel\uff09\u516c\u53f8\u7684\u4e00\u6b3eIntel Core\u7cfb\u5217\u4e2d\u592e\u5904\u7406\u5668\uff08CPU\uff09\u3002\n\n\u591a\u6b3eIntel\u4ea7\u54c1\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u6570\u636e\u7f13\u5b58\u4e2d\uff0c\u7a0b\u5e8f\u672a\u6b63\u786e\u5730\u8fdb\u884c\u6570\u636e\u8f6c\u53d1\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u4fe1\u606f\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-27996",
  "openTime": "2021-04-14",
  "products": {
    "product": [
      "Intel Xeon Processor D-1518",
      "Intel Xeon Processor D-1519",
      "Intel Xeon Processor D-1521",
      "Intel Xeon Processor D-1527",
      "Intel Xeon Processor D-1528",
      "Intel Xeon Processor D-1529",
      "Intel Xeon Processor D-1531",
      "Intel Xeon Processor D-1533"
    ]
  },
  "referenceLink": "https://access.redhat.com/security/cve/cve-2020-0550\r\nhttps://software.intel.com/security-software-guidance/software-guidance/snoop-assisted-l1-data-sampling",
  "serverity": "\u4f4e",
  "submitTime": "2020-03-13",
  "title": "\u591a\u6b3eIntel\u4ea7\u54c1\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-27996\uff09"
}

CVE-2020-0550 (GCVE-0-2020-0550)

Vulnerability from cvelistv5 – Published: 2020-03-12 21:02 – Updated: 2024-08-04 06:02

Summary

Improper data forwarding in some data cache for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. The list of affected products is provided in intel-sa-00330: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00330.html

Severity

No CVSS data available.

CWE

Information Disclosure

Assigner

intel mitre root

References

2 references

URL	Tags
https://www.intel.com/content/www/us/en/security-…	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2020032…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Intel	Snoop Assisted L1D Sampling Advisory	Affected: See advisory https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00330.html

Show details on NVD website

JSON

To clipboard

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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.