cnvd-2021-71450
Vulnerability from cnvd
Title: ARM mbed TLS信任管理问题漏洞
Description:
ARM mbed TLS是英国ARM公司的一款为mbed产品提供安全通讯和加密功能的产品。
ARM mbed TLS存在安全漏洞，该漏洞源于空算法参数项与实数数组(大小为0)相同，因此认为证书是有效的。但是，如果参数在任何方面不匹配，则认为证书无效。 目前没有详细的漏洞细节提供。
Severity: 中
Patch Name: ARM mbed TLS信任管理问题漏洞的补丁
Patch Description:
ARM mbed TLS是英国ARM公司的一款为mbed产品提供安全通讯和加密功能的产品。
ARM mbed TLS存在安全漏洞，该漏洞源于空算法参数项与实数数组(大小为0)相同，因此认为证书是有效的。但是，如果参数在任何方面不匹配，则认为证书无效。 目前没有详细的漏洞细节提供。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:
目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/ARMmbed/mbedtls/releases/tag/v2.25.0
Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-36478
Impacted products
| Name | ['ARM mbed TLS <2.25.0', 'ARM mbed TLS 2.16.9 LTS', 'ARM mbed TLS 2.7.18 LTS'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2020-36478"
}
},
"description": "ARM mbed TLS\u662f\u82f1\u56fdARM\u516c\u53f8\u7684\u4e00\u6b3e\u4e3ambed\u4ea7\u54c1\u63d0\u4f9b\u5b89\u5168\u901a\u8baf\u548c\u52a0\u5bc6\u529f\u80fd\u7684\u4ea7\u54c1\u3002\n\nARM mbed TLS\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a7a\u7b97\u6cd5\u53c2\u6570\u9879\u4e0e\u5b9e\u6570\u6570\u7ec4(\u5927\u5c0f\u4e3a0)\u76f8\u540c\uff0c\u56e0\u6b64\u8ba4\u4e3a\u8bc1\u4e66\u662f\u6709\u6548\u7684\u3002\u4f46\u662f\uff0c\u5982\u679c\u53c2\u6570\u5728\u4efb\u4f55\u65b9\u9762\u4e0d\u5339\u914d\uff0c\u5219\u8ba4\u4e3a\u8bc1\u4e66\u65e0\u6548\u3002 \u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/ARMmbed/mbedtls/releases/tag/v2.25.0",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2021-71450",
"openTime": "2021-09-16",
"patchDescription": "ARM mbed TLS\u662f\u82f1\u56fdARM\u516c\u53f8\u7684\u4e00\u6b3e\u4e3ambed\u4ea7\u54c1\u63d0\u4f9b\u5b89\u5168\u901a\u8baf\u548c\u52a0\u5bc6\u529f\u80fd\u7684\u4ea7\u54c1\u3002\r\n\r\nARM mbed TLS\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a7a\u7b97\u6cd5\u53c2\u6570\u9879\u4e0e\u5b9e\u6570\u6570\u7ec4(\u5927\u5c0f\u4e3a0)\u76f8\u540c\uff0c\u56e0\u6b64\u8ba4\u4e3a\u8bc1\u4e66\u662f\u6709\u6548\u7684\u3002\u4f46\u662f\uff0c\u5982\u679c\u53c2\u6570\u5728\u4efb\u4f55\u65b9\u9762\u4e0d\u5339\u914d\uff0c\u5219\u8ba4\u4e3a\u8bc1\u4e66\u65e0\u6548\u3002 \u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\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": "ARM mbed TLS\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"ARM mbed TLS \u003c2.25.0",
"ARM mbed TLS 2.16.9 LTS",
"ARM mbed TLS 2.7.18 LTS"
]
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-36478",
"serverity": "\u4e2d",
"submitTime": "2021-08-25",
"title": "ARM mbed TLS\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e"
}
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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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