Vulnerability-Lookup

CNVD-2017-21746

Vulnerability from cnvd - Published: 2017-08-18

Title

Xen grant-table功能拒绝服务漏洞

Description

Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。 Xen grant-table功能存在安全漏洞，允许攻击者可利用漏洞提交特殊请求使系统崩溃。

Severity

中

Patch Name

Xen grant-table功能拒绝服务漏洞的补丁

Patch Description

Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。 Xen grant-table功能存在安全漏洞，允许攻击者可利用漏洞提交特殊请求使系统崩溃。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

厂商已发布漏洞修复程序，请及时关注更新： https://xenbits.xen.org/xsa/advisory-224.html

Reference

https://xenbits.xen.org/xsa/advisory-224.html

Impacted products

Name
Xen Xen <=4.8.x

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-10922"
    }
  },
  "description": "Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\r\n\r\nXen grant-table\u529f\u80fd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u8bf7\u6c42\u4f7f\u7cfb\u7edf\u5d29\u6e83\u3002",
  "discovererName": "Xen",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://xenbits.xen.org/xsa/advisory-224.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-21746",
  "openTime": "2017-08-18",
  "patchDescription": "Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\r\n\r\nXen grant-table\u529f\u80fd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u8bf7\u6c42\u4f7f\u7cfb\u7edf\u5d29\u6e83\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": "Xen grant-table\u529f\u80fd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Xen Xen \u003c=4.8.x"
  },
  "referenceLink": "https://xenbits.xen.org/xsa/advisory-224.html",
  "serverity": "\u4e2d",
  "submitTime": "2017-07-05",
  "title": "Xen grant-table\u529f\u80fd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-10922 (GCVE-0-2017-10922)

Vulnerability from cvelistv5 – Published: 2017-07-05 01:00 – Updated: 2024-08-05 17:50

Summary

The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://security.gentoo.org/glsa/201708-03	vendor-advisoryx_refsource_GENTOO
http://www.debian.org/security/2017/dsa-3969	vendor-advisoryx_refsource_DEBIAN
http://www.securitytracker.com/id/1038734	vdb-entryx_refsource_SECTRACK
https://xenbits.xen.org/xsa/advisory-224.html	x_refsource_CONFIRM
https://security.gentoo.org/glsa/201710-17	vendor-advisoryx_refsource_GENTOO

Date Public

2017-07-04 00:00

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.

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Action not permitted

CNVD-2017-21746

CVE-2017-10922 (GCVE-0-2017-10922)

Tags

Sightings

Nomenclature

Related by attack behaviour