cnvd - cnvd-2021-38075

cnvd-2021-38075

Vulnerability from cnvd

Title: Zephyr代码问题漏洞

Description:

Zephyr是用于互联、资源受限的嵌入式设备的小型实时操作系统。

Zephyr 2.4.0版中的802154 ACK帧处理存在代码问题漏洞。攻击者可通过发送恶意帧利用该漏洞导致空指针解引用，从而可导致拒绝服务。

Severity: 中

Patch Name: Zephyr代码问题漏洞的补丁

Patch Description:

Zephyr是用于互联、资源受限的嵌入式设备的小型实时操作系统。

Zephyr 2.4.0版中的802154 ACK帧处理存在代码问题漏洞。攻击者可通过发送恶意帧利用该漏洞导致空指针解引用，从而可导致拒绝服务。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： https://github.com/zephyrproject-rtos/zephyr/pull/31908

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-3320

Impacted products

Name
Zephyr Zephyr ＞=2.4.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-3320",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-3320"
    }
  },
  "description": "Zephyr\u662f\u7528\u4e8e\u4e92\u8054\u3001\u8d44\u6e90\u53d7\u9650\u7684\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u5c0f\u578b\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nZephyr 2.4.0\u7248\u4e2d\u7684802154 ACK\u5e27\u5904\u7406\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u6076\u610f\u5e27\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7a7a\u6307\u9488\u89e3\u5f15\u7528\uff0c\u4ece\u800c\u53ef\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/zephyrproject-rtos/zephyr/pull/31908",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-38075",
  "openTime": "2021-05-31",
  "patchDescription": "Zephyr\u662f\u7528\u4e8e\u4e92\u8054\u3001\u8d44\u6e90\u53d7\u9650\u7684\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u5c0f\u578b\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nZephyr 2.4.0\u7248\u4e2d\u7684802154 ACK\u5e27\u5904\u7406\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u6076\u610f\u5e27\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7a7a\u6307\u9488\u89e3\u5f15\u7528\uff0c\u4ece\u800c\u53ef\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Zephyr Zephyr \uff1e=2.4.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-3320",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-25",
  "title": "Zephyr\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2021-3320 (GCVE-0-2021-3320)

Vulnerability from cvelistv5

Published

2021-05-24 21:40

Modified

2024-09-16 22:25

Severity ?

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

CWE

CWE-476 - NULL Pointer Dereference ()

Summary

Type Confusion in 802154 ACK Frames Handling. Zephyr versions >= v2.4.0 contain NULL Pointer Dereference (CWE-476). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-27r3-rxch-2hm7

References

▼	URL	Tags
	http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-27r3-rxch-2hm7	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	zephyrproject-rtos	zephyr	Version: v2.4.0 < unspecified

Show details on NVD website

JSON

To clipboard

{
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T16:53:17.134Z",
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            "url": "http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-27r3-rxch-2hm7"
          }
        ],
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    "cna": {
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          "vendor": "zephyrproject-rtos",
          "versions": [
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              "lessThan": "unspecified",
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        }
      ],
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        {
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
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      },
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        },
        "affects": {
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              {
                "product": {
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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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