Vulnerability-Lookup

CNVD-2018-23920

Vulnerability from cnvd - Published: 2018-11-25

Title

Google gVisor权限提升漏洞

Description

Google gVisor是一款使用Go语言编写的使用在Linux系统中的用户空间内核。 Google gVisor 2018-11-01之前版本中的pkg/sentry/kernel/shm/shm.go文件存在安全漏洞，该漏洞源于程序没有正确的处理引用计数。攻击者可利用该漏洞覆盖以root权限运行进程中的内存位置。

Severity

高

Patch Name

Google gVisor权限提升漏洞的补丁

Patch Description

Formal description

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/google/gvisor/commit/0e277a39c8b6f905e289b75e8ad0594e6b3562ca

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-19333

Impacted products

Name
Google gVisor <2018-11-01

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-19333"
    }
  },
  "description": "Google gVisor\u662f\u4e00\u6b3e\u4f7f\u7528Go\u8bed\u8a00\u7f16\u5199\u7684\u4f7f\u7528\u5728Linux\u7cfb\u7edf\u4e2d\u7684\u7528\u6237\u7a7a\u95f4\u5185\u6838\u3002\n\nGoogle gVisor 2018-11-01\u4e4b\u524d\u7248\u672c\u4e2d\u7684pkg/sentry/kernel/shm/shm.go\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6ca1\u6709\u6b63\u786e\u7684\u5904\u7406\u5f15\u7528\u8ba1\u6570\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8986\u76d6\u4ee5root\u6743\u9650\u8fd0\u884c\u8fdb\u7a0b\u4e2d\u7684\u5185\u5b58\u4f4d\u7f6e\u3002",
  "discovererName": "unknwon",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/google/gvisor/commit/0e277a39c8b6f905e289b75e8ad0594e6b3562ca",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-23920",
  "openTime": "2018-11-25",
  "patchDescription": "Google gVisor\u662f\u4e00\u6b3e\u4f7f\u7528Go\u8bed\u8a00\u7f16\u5199\u7684\u4f7f\u7528\u5728Linux\u7cfb\u7edf\u4e2d\u7684\u7528\u6237\u7a7a\u95f4\u5185\u6838\u3002\r\n\r\nGoogle gVisor 2018-11-01\u4e4b\u524d\u7248\u672c\u4e2d\u7684pkg/sentry/kernel/shm/shm.go\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6ca1\u6709\u6b63\u786e\u7684\u5904\u7406\u5f15\u7528\u8ba1\u6570\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8986\u76d6\u4ee5root\u6743\u9650\u8fd0\u884c\u8fdb\u7a0b\u4e2d\u7684\u5185\u5b58\u4f4d\u7f6e\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": "Google gVisor\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Google gVisor \u003c2018-11-01"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-19333",
  "serverity": "\u9ad8",
  "submitTime": "2018-11-19",
  "title": "Google gVisor\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2018-19333 (GCVE-0-2018-19333)

Vulnerability from cvelistv5 – Published: 2018-11-17 17:00 – Updated: 2024-08-05 11:37

Summary

pkg/sentry/kernel/shm/shm.go in Google gVisor before 2018-11-01 allows attackers to overwrite memory locations in processes running as root (but not escape the sandbox) via vectors involving IPC_RMID shmctl calls, because reference counting is mishandled.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

2 references

URL	Tags
https://justi.cz/security/2018/11/14/gvisor-lpe.html	x_refsource_MISC
https://github.com/google/gvisor/commit/0e277a39c…	x_refsource_MISC

Date Public

2018-11-17 00:00

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-05T11:37:10.624Z",
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            "url": "https://github.com/google/gvisor/commit/0e277a39c8b6f905e289b75e8ad0594e6b3562ca"
          }
        ],
        "title": "CVE Program Container"
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    ],
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        "dateUpdated": "2018-11-17T17:57:01.000Z",
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      "references": [
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          "url": "https://justi.cz/security/2018/11/14/gvisor-lpe.html"
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          "tags": [
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          "url": "https://github.com/google/gvisor/commit/0e277a39c8b6f905e289b75e8ad0594e6b3562ca"
        }
      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2018-19333",
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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.

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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Action not permitted

CNVD-2018-23920

CVE-2018-19333 (GCVE-0-2018-19333)

Tags

Sightings

Nomenclature

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