cnvd-2022-37792
Vulnerability from cnvd
Title
OpenSSL拒绝服务漏洞（CNVD-2022-37792）
Description
OpenSSL是Openssl团队的一个开源的能够实现安全套接层（SSLv2/v3）和安全传输层（TLSv1）协议的通用加密库。该产品支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL存在拒绝服务漏洞，该漏洞源于清空哈希表的 OPENSSL_LH_flush()函数包含一个错误，该错误会破坏已删除的哈希表条目占用的内存的重用。攻击者可利用该漏洞发起拒绝服务攻击。
Severity
中
Patch Name
OpenSSL拒绝服务漏洞（CNVD-2022-37792）的补丁
Patch Description
OpenSSL是Openssl团队的一个开源的能够实现安全套接层（SSLv2/v3）和安全传输层（TLSv1）协议的通用加密库。该产品支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL存在拒绝服务漏洞，该漏洞源于清空哈希表的 OPENSSL_LH_flush()函数包含一个错误，该错误会破坏已删除的哈希表条目占用的内存的重用。攻击者可利用该漏洞发起拒绝服务攻击。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://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=64c85430f95200b6b51fe9475bd5203f7c19daf1

Reference
https://nvd.nist.gov/vuln/detail/CVE-2022-1473
Impacted products
Name
['Openssl OpenSSL 3.0.0', 'Openssl OpenSSL 3.0.1', 'Openssl OpenSSL 3.0.2']
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-1473",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-1473"
    }
  },
  "description": "OpenSSL\u662fOpenssl\u56e2\u961f\u7684\u4e00\u4e2a\u5f00\u6e90\u7684\u80fd\u591f\u5b9e\u73b0\u5b89\u5168\u5957\u63a5\u5c42\uff08SSLv2/v3\uff09\u548c\u5b89\u5168\u4f20\u8f93\u5c42\uff08TLSv1\uff09\u534f\u8bae\u7684\u901a\u7528\u52a0\u5bc6\u5e93\u3002\u8be5\u4ea7\u54c1\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u5b89\u5168\u6563\u5217\u7b97\u6cd5\u7b49\u3002\n\nOpenSSL\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6e05\u7a7a\u54c8\u5e0c\u8868\u7684 OPENSSL_LH_flush()\u51fd\u6570\u5305\u542b\u4e00\u4e2a\u9519\u8bef\uff0c\u8be5\u9519\u8bef\u4f1a\u7834\u574f\u5df2\u5220\u9664\u7684\u54c8\u5e0c\u8868\u6761\u76ee\u5360\u7528\u7684\u5185\u5b58\u7684\u91cd\u7528\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53d1\u8d77\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=64c85430f95200b6b51fe9475bd5203f7c19daf1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-37792",
  "openTime": "2022-05-18",
  "patchDescription": "OpenSSL\u662fOpenssl\u56e2\u961f\u7684\u4e00\u4e2a\u5f00\u6e90\u7684\u80fd\u591f\u5b9e\u73b0\u5b89\u5168\u5957\u63a5\u5c42\uff08SSLv2/v3\uff09\u548c\u5b89\u5168\u4f20\u8f93\u5c42\uff08TLSv1\uff09\u534f\u8bae\u7684\u901a\u7528\u52a0\u5bc6\u5e93\u3002\u8be5\u4ea7\u54c1\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u5b89\u5168\u6563\u5217\u7b97\u6cd5\u7b49\u3002\r\n\r\nOpenSSL\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6e05\u7a7a\u54c8\u5e0c\u8868\u7684 OPENSSL_LH_flush()\u51fd\u6570\u5305\u542b\u4e00\u4e2a\u9519\u8bef\uff0c\u8be5\u9519\u8bef\u4f1a\u7834\u574f\u5df2\u5220\u9664\u7684\u54c8\u5e0c\u8868\u6761\u76ee\u5360\u7528\u7684\u5185\u5b58\u7684\u91cd\u7528\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53d1\u8d77\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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": "OpenSSL\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2022-37792\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Openssl OpenSSL 3.0.0",
      "Openssl OpenSSL 3.0.1",
      "Openssl OpenSSL 3.0.2"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-1473",
  "serverity": "\u4e2d",
  "submitTime": "2022-05-08",
  "title": "OpenSSL\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2022-37792\uff09"
}


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