cnvd - cnvd-2021-95619

cnvd-2021-95619

Vulnerability from cnvd

Title: Zephyr资源管理错误漏洞

Description:

Zephyr是一套开源的小型的可缩放的实时操作系统。

Zephyr 2.4.0及更高版本，2.5.0及更高版本存在资源管理错误漏洞，该漏洞源于在无效ATT请求导致冻结后立即断开L2CAP通道。目前没有详细漏洞细节提供。

Severity: 中

Patch Name: Zephyr资源管理错误漏洞的补丁

Patch Description:

Zephyr是一套开源的小型的可缩放的实时操作系统。

Zephyr 2.4.0及更高版本，2.5.0及更高版本存在资源管理错误漏洞，该漏洞源于在无效ATT请求导致冻结后立即断开L2CAP通道。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:

厂商已发布了漏洞修复程序，请及时关注更新： http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-3455

Impacted products

Name
['Zephyr Zephyr >=2.4.0', 'Zephyr Zephyr >=2.5.0']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-3455"
    }
  },
  "description": "Zephyr\u662f\u4e00\u5957\u5f00\u6e90\u7684\u5c0f\u578b\u7684\u53ef\u7f29\u653e\u7684\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nZephyr 2.4.0\u53ca\u66f4\u9ad8\u7248\u672c\uff0c2.5.0\u53ca\u66f4\u9ad8\u7248\u672c\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u65e0\u6548ATT\u8bf7\u6c42\u5bfc\u81f4\u51bb\u7ed3\u540e\u7acb\u5373\u65ad\u5f00L2CAP\u901a\u9053\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-95619",
  "openTime": "2021-12-09",
  "patchDescription": "Zephyr\u662f\u4e00\u5957\u5f00\u6e90\u7684\u5c0f\u578b\u7684\u53ef\u7f29\u653e\u7684\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nZephyr 2.4.0\u53ca\u66f4\u9ad8\u7248\u672c\uff0c2.5.0\u53ca\u66f4\u9ad8\u7248\u672c\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u65e0\u6548ATT\u8bf7\u6c42\u5bfc\u81f4\u51bb\u7ed3\u540e\u7acb\u5373\u65ad\u5f00L2CAP\u901a\u9053\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": "Zephyr\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Zephyr Zephyr \u003e=2.4.0",
      "Zephyr Zephyr \u003e=2.5.0"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-3455",
  "serverity": "\u4e2d",
  "submitTime": "2021-10-21",
  "title": "Zephyr\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-3455 (GCVE-0-2021-3455)

Vulnerability from cvelistv5

Published

2021-10-19 22:25

Modified

2024-09-16 18:38

Severity ?

4.3 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-416 - Use After Free ()

Summary

Disconnecting L2CAP channel right after invalid ATT request leads freeze. Zephyr versions >= 2.4.0, >= 2.5.0 contain Use After Free (CWE-416). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp

References

▼	URL	Tags
	http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	zephyrproject-rtos	zephyr	Version: 2.4.0 < unspecified Version: 2.5.0 < unspecified

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-03T16:53:17.699Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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              "x_transferred"
            ],
            "url": "http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "vendor": "zephyrproject-rtos",
          "versions": [
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              "status": "affected",
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
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      ],
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      },
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      "x_legacyV4Record": {
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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