cnvd-2022-23489
Vulnerability from cnvd
Title
nbd输入验证错误漏洞
Description
nbd是一个Linux内核网络块设备的工具。用于通过TCP/IP网络使用远程块设备。 nbd 3.24之前版本的nbd-server存在输入验证错误漏洞，该漏洞源于nbd-server出现整数溢出，导致基于堆的缓冲区溢出，攻击者可利用该漏洞导致对悬空指针的写操作。
Severity
高
Patch Name
nbd输入验证错误漏洞的补丁
Patch Description
nbd是一个Linux内核网络块设备的工具。用于通过TCP/IP网络使用远程块设备。 nbd 3.24之前版本的nbd-server存在输入验证错误漏洞，该漏洞源于nbd-server出现整数溢出，导致基于堆的缓冲区溢出，攻击者可利用该漏洞导致对悬空指针的写操作。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://sourceforge.net/projects/nbd/files/nbd/

Reference
https://cxsecurity.com/cveshow/CVE-2022-26495/
Impacted products
Name
Network Block Device NBD <3.24
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-26495"
    }
  },
  "description": "nbd\u662f\u4e00\u4e2aLinux\u5185\u6838\u7f51\u7edc\u5757\u8bbe\u5907\u7684\u5de5\u5177\u3002\u7528\u4e8e\u901a\u8fc7TCP/IP\u7f51\u7edc\u4f7f\u7528\u8fdc\u7a0b\u5757\u8bbe\u5907\u3002\n\nnbd 3.24\u4e4b\u524d\u7248\u672c\u7684nbd-server\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8enbd-server\u51fa\u73b0\u6574\u6570\u6ea2\u51fa\uff0c\u5bfc\u81f4\u57fa\u4e8e\u5806\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5bf9\u60ac\u7a7a\u6307\u9488\u7684\u5199\u64cd\u4f5c\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://sourceforge.net/projects/nbd/files/nbd/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-23489",
  "openTime": "2022-03-29",
  "patchDescription": "nbd\u662f\u4e00\u4e2aLinux\u5185\u6838\u7f51\u7edc\u5757\u8bbe\u5907\u7684\u5de5\u5177\u3002\u7528\u4e8e\u901a\u8fc7TCP/IP\u7f51\u7edc\u4f7f\u7528\u8fdc\u7a0b\u5757\u8bbe\u5907\u3002\r\n\r\nnbd 3.24\u4e4b\u524d\u7248\u672c\u7684nbd-server\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8enbd-server\u51fa\u73b0\u6574\u6570\u6ea2\u51fa\uff0c\u5bfc\u81f4\u57fa\u4e8e\u5806\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5bf9\u60ac\u7a7a\u6307\u9488\u7684\u5199\u64cd\u4f5c\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": "nbd\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Network Block Device NBD \u003c3.24"
  },
  "referenceLink": "https://cxsecurity.com/cveshow/CVE-2022-26495/",
  "serverity": "\u9ad8",
  "submitTime": "2022-03-08",
  "title": "nbd\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}


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