cnvd-2021-95637
Vulnerability from cnvd
Title
Barrier缓冲区溢出漏洞
Description
Barrier是一种模仿 Kvm 切换器功能的软件。 Barrier存在缓冲区溢出漏洞，攻击者可利用该漏洞发送长TCP消息导致Barrier组件和barrierc的内存耗尽。
Severity
中
Patch Name
Barrier缓冲区溢出漏洞的补丁
Patch Description
Barrier是一种模仿 Kvm 切换器功能的软件。 Barrier存在缓冲区溢出漏洞，攻击者可利用该漏洞发送长TCP消息导致Barrier组件和barrierc的内存耗尽。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://www.openwall.com/lists/oss-security/2021/11/02/4

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-42076
Impacted products
Name
Barrier Barrier <2.3.4
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-42076",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-42076"
    }
  },
  "description": "Barrier\u662f\u4e00\u79cd\u6a21\u4eff Kvm \u5207\u6362\u5668\u529f\u80fd\u7684\u8f6f\u4ef6\u3002\n\nBarrier\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53d1\u9001\u957fTCP\u6d88\u606f\u5bfc\u81f4Barrier\u7ec4\u4ef6\u548cbarrierc\u7684\u5185\u5b58\u8017\u5c3d\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://www.openwall.com/lists/oss-security/2021/11/02/4",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-95637",
  "openTime": "2021-12-09",
  "patchDescription": "Barrier\u662f\u4e00\u79cd\u6a21\u4eff Kvm \u5207\u6362\u5668\u529f\u80fd\u7684\u8f6f\u4ef6\u3002\r\n\r\nBarrier\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53d1\u9001\u957fTCP\u6d88\u606f\u5bfc\u81f4Barrier\u7ec4\u4ef6\u548cbarrierc\u7684\u5185\u5b58\u8017\u5c3d\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": "Barrier\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Barrier Barrier \u003c2.3.4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-42076",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-08",
  "title": "Barrier\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


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