cnvd-2020-41713
Vulnerability from cnvd
Title
Libreswan缓冲区溢出漏洞
Description
Libreswan是一个类似于Openswan的IPsec实现，它主要用于保证数据传输中的安全性、完整性问题。 libreswan 3.27版本至3.31版本中的pluto守护进程存在缓冲区溢出漏洞。攻击者可通过发送特制的IKEv1 Informational Exchange数据包利用该漏洞使libreswan崩溃。
Severity
中
Patch Name
Libreswan缓冲区溢出漏洞 的补丁
Patch Description
Libreswan是一个类似于Openswan的IPsec实现，它主要用于保证数据传输中的安全性、完整性问题。 libreswan 3.27版本至3.31版本中的pluto守护进程存在缓冲区溢出漏洞。攻击者可通过发送特制的IKEv1 Informational Exchange数据包利用该漏洞使libreswan崩溃。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://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt

Reference
https://nvd.nist.gov/vuln/detail/CVE-2020-1763
Impacted products
Name
Libreswan Libreswan >=3.27，<=3.31
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-1763"
    }
  },
  "description": "Libreswan\u662f\u4e00\u4e2a\u7c7b\u4f3c\u4e8eOpenswan\u7684IPsec\u5b9e\u73b0\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u5b89\u5168\u6027\u3001\u5b8c\u6574\u6027\u95ee\u9898\u3002\n\nlibreswan 3.27\u7248\u672c\u81f33.31\u7248\u672c\u4e2d\u7684pluto\u5b88\u62a4\u8fdb\u7a0b\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684IKEv1 Informational Exchange\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7flibreswan\u5d29\u6e83\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://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-41713",
  "openTime": "2020-07-22",
  "patchDescription": "Libreswan\u662f\u4e00\u4e2a\u7c7b\u4f3c\u4e8eOpenswan\u7684IPsec\u5b9e\u73b0\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u5b89\u5168\u6027\u3001\u5b8c\u6574\u6027\u95ee\u9898\u3002\r\n\r\nlibreswan 3.27\u7248\u672c\u81f33.31\u7248\u672c\u4e2d\u7684pluto\u5b88\u62a4\u8fdb\u7a0b\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684IKEv1 Informational Exchange\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7flibreswan\u5d29\u6e83\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": "Libreswan\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e \u7684\u8865\u4e01",
  "products": {
    "product": "Libreswan Libreswan \u003e=3.27\uff0c\u003c=3.31"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-1763",
  "serverity": "\u4e2d",
  "submitTime": "2020-05-13",
  "title": "Libreswan\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.