cnvd-2021-89436
Vulnerability from cnvd

Title: 多款Siemens产品不正确零终止漏洞(CNVD-2021-89436)

Description:

Capital VSTAR是一个完整的解决方案。Nucleus NET模块集成了一系列符合标准的网络和通信协议、驱动程序和实用程序,以在任何嵌入式设备中提供全功能的网络支持。Nucleus RTOS是一种基于微内核的实时操作系统。

多款Siemens产品存在安全出漏洞,该漏洞源于FTP服务器没有正确验证“MKD/XMKD”命令的长度,导致堆栈缓冲区溢出。攻击者可利用漏洞导致拒绝服务条件和远程代码执行。

Severity:

Patch Name: 多款Siemens产品不正确零终止漏洞(CNVD-2021-89436)的补丁

Patch Description:

Capital VSTAR是一个完整的解决方案。Nucleus NET模块集成了一系列符合标准的网络和通信协议、驱动程序和实用程序,以在任何嵌入式设备中提供全功能的网络支持。Nucleus RTOS是一种基于微内核的实时操作系统。

多款Siemens产品存在安全出漏洞,该漏洞源于FTP服务器没有正确验证“MKD/XMKD”命令的长度,导致堆栈缓冲区溢出。攻击者可利用漏洞导致拒绝服务条件和远程代码执行。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://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf

Reference: https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf

Impacted products
Name
['Siemens Nucleus Source Code', 'Siemens Nucleus NET', 'SIEMENS Capital VSTAR', 'SIEMENS Nucleus ReadyStart V3 < 2017.02.4']
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-31888"
    }
  },
  "description": "Capital VSTAR\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848\u3002Nucleus NET\u6a21\u5757\u96c6\u6210\u4e86\u4e00\u7cfb\u5217\u7b26\u5408\u6807\u51c6\u7684\u7f51\u7edc\u548c\u901a\u4fe1\u534f\u8bae\u3001\u9a71\u52a8\u7a0b\u5e8f\u548c\u5b9e\u7528\u7a0b\u5e8f\uff0c\u4ee5\u5728\u4efb\u4f55\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e2d\u63d0\u4f9b\u5168\u529f\u80fd\u7684\u7f51\u7edc\u652f\u6301\u3002Nucleus RTOS\u662f\u4e00\u79cd\u57fa\u4e8e\u5fae\u5185\u6838\u7684\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u3002\n\n\u591a\u6b3eSiemens\u4ea7\u54c1\u5b58\u5728\u5b89\u5168\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eFTP\u670d\u52a1\u5668\u6ca1\u6709\u6b63\u786e\u9a8c\u8bc1\u201cMKD/XMKD\u201d\u547d\u4ee4\u7684\u957f\u5ea6\uff0c\u5bfc\u81f4\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\u548c\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\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://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-89436",
  "openTime": "2021-11-20",
  "patchDescription": "Capital VSTAR\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848\u3002Nucleus NET\u6a21\u5757\u96c6\u6210\u4e86\u4e00\u7cfb\u5217\u7b26\u5408\u6807\u51c6\u7684\u7f51\u7edc\u548c\u901a\u4fe1\u534f\u8bae\u3001\u9a71\u52a8\u7a0b\u5e8f\u548c\u5b9e\u7528\u7a0b\u5e8f\uff0c\u4ee5\u5728\u4efb\u4f55\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e2d\u63d0\u4f9b\u5168\u529f\u80fd\u7684\u7f51\u7edc\u652f\u6301\u3002Nucleus RTOS\u662f\u4e00\u79cd\u57fa\u4e8e\u5fae\u5185\u6838\u7684\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\n\u591a\u6b3eSiemens\u4ea7\u54c1\u5b58\u5728\u5b89\u5168\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eFTP\u670d\u52a1\u5668\u6ca1\u6709\u6b63\u786e\u9a8c\u8bc1\u201cMKD/XMKD\u201d\u547d\u4ee4\u7684\u957f\u5ea6\uff0c\u5bfc\u81f4\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\u548c\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\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": "\u591a\u6b3eSiemens\u4ea7\u54c1\u4e0d\u6b63\u786e\u96f6\u7ec8\u6b62\u6f0f\u6d1e\uff08CNVD-2021-89436\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Siemens Nucleus Source Code",
      "Siemens Nucleus NET",
      "SIEMENS Capital VSTAR",
      "SIEMENS Nucleus ReadyStart V3  \u003c 2017.02.4"
    ]
  },
  "referenceLink": "https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-11",
  "title": "\u591a\u6b3eSiemens\u4ea7\u54c1\u4e0d\u6b63\u786e\u96f6\u7ec8\u6b62\u6f0f\u6d1e\uff08CNVD-2021-89436\uff09"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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