cnvd - cnvd-2017-35132

cnvd-2017-35132

Vulnerability from cnvd

Title: libvirt TLS证书验证漏洞

Description:

libvirt是一套免费、开源的支持Linux下主流虚拟化工具的C函数库。

Libvirt 2.3.0及更高版本存在TLS证书验证漏洞。该漏洞产生的原因是libvirt传递到QEMU的默认配置"verify-peer=no"错误，这导致默认情况下不验证SSL/TLS证书。

Severity: 中

Patch Name: libvirt TLS证书验证漏洞的补丁

Patch Description:

libvirt是一套免费、开源的支持Linux下主流虚拟化工具的C函数库。

Libvirt 2.3.0及更高版本存在TLS证书验证漏洞。该漏洞产生的原因是libvirt传递到QEMU的默认配置"verify-peer=no"错误，这导致默认情况下不验证SSL/TLS证书。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:

厂商已发布漏洞修复程序，请及时关注更新： https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html

Reference: https://www.debian.org/security/2017/dsa-4003

Impacted products

Name
libvirt libvirt >=2.3.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-1000256"
    }
  },
  "description": "libvirt\u662f\u4e00\u5957\u514d\u8d39\u3001\u5f00\u6e90\u7684\u652f\u6301Linux\u4e0b\u4e3b\u6d41\u865a\u62df\u5316\u5de5\u5177\u7684C\u51fd\u6570\u5e93\u3002\r\n\r\nLibvirt 2.3.0\u53ca\u66f4\u9ad8\u7248\u672c\u5b58\u5728TLS\u8bc1\u4e66\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u4ea7\u751f\u7684\u539f\u56e0\u662flibvirt\u4f20\u9012\u5230QEMU\u7684\u9ed8\u8ba4\u914d\u7f6e\"verify-peer=no\"\u9519\u8bef\uff0c\u8fd9\u5bfc\u81f4\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u9a8c\u8bc1SSL/TLS\u8bc1\u4e66\u3002",
  "discovererName": "unknown",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-35132",
  "openTime": "2017-11-27",
  "patchDescription": "libvirt\u662f\u4e00\u5957\u514d\u8d39\u3001\u5f00\u6e90\u7684\u652f\u6301Linux\u4e0b\u4e3b\u6d41\u865a\u62df\u5316\u5de5\u5177\u7684C\u51fd\u6570\u5e93\u3002\r\n\r\nLibvirt 2.3.0\u53ca\u66f4\u9ad8\u7248\u672c\u5b58\u5728TLS\u8bc1\u4e66\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u4ea7\u751f\u7684\u539f\u56e0\u662flibvirt\u4f20\u9012\u5230QEMU\u7684\u9ed8\u8ba4\u914d\u7f6e\"verify-peer=no\"\u9519\u8bef\uff0c\u8fd9\u5bfc\u81f4\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u9a8c\u8bc1SSL/TLS\u8bc1\u4e66\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": "libvirt TLS\u8bc1\u4e66\u9a8c\u8bc1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libvirt libvirt \u003e=2.3.0"
  },
  "referenceLink": "https://www.debian.org/security/2017/dsa-4003",
  "serverity": "\u4e2d",
  "submitTime": "2017-10-20",
  "title": "libvirt TLS\u8bc1\u4e66\u9a8c\u8bc1\u6f0f\u6d1e"
}

CVE-2017-1000256 (GCVE-0-2017-1000256)

Vulnerability from cvelistv5

Published

2017-10-31 15:00

Modified

2024-08-05 22:00

Severity ?

CWE

Summary

libvirt version 2.3.0 and later is vulnerable to a bad default configuration of "verify-peer=no" passed to QEMU by libvirt resulting in a failure to validate SSL/TLS certificates by default.

References

▼	URL	Tags
	https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html	mailing-list, x_refsource_MLIST
	https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.html	x_refsource_MISC
	http://www.debian.org/security/2017/dsa-4003	vendor-advisory, x_refsource_DEBIAN
	https://access.redhat.com/security/cve/CVE-2017-1000256	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T22:00:39.668Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[libvirt-announce] 20171016 LSN-2017-0002 - TLS certificate verification disabled for clients",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.html"
          },
          {
            "name": "DSA-4003",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2017/dsa-4003"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2017-1000256"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "dateAssigned": "2017-10-12T00:00:00",
      "datePublic": "2017-10-31T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "libvirt version 2.3.0 and later is vulnerable to a bad default configuration of \"verify-peer=no\" passed to QEMU by libvirt resulting in a failure to validate SSL/TLS certificates by default."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-11-06T10:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "[libvirt-announce] 20171016 LSN-2017-0002 - TLS certificate verification disabled for clients",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.html"
        },
        {
          "name": "DSA-4003",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2017/dsa-4003"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2017-1000256"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "DATE_ASSIGNED": "2017-10-12",
          "ID": "CVE-2017-1000256",
          "REQUESTER": "berrange@redhat.com",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
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        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "libvirt version 2.3.0 and later is vulnerable to a bad default configuration of \"verify-peer=no\" passed to QEMU by libvirt resulting in a failure to validate SSL/TLS certificates by default."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[libvirt-announce] 20171016 LSN-2017-0002 - TLS certificate verification disabled for clients",
              "refsource": "MLIST",
              "url": "https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html"
            },
            {
              "name": "https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1556251.html",
              "refsource": "MISC",
              "url": "https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1556251.html"
            },
            {
              "name": "DSA-4003",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2017/dsa-4003"
            },
            {
              "name": "https://access.redhat.com/security/cve/CVE-2017-1000256",
              "refsource": "CONFIRM",
              "url": "https://access.redhat.com/security/cve/CVE-2017-1000256"
            }
          ]
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    }
  },
  "cveMetadata": {
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    "cveId": "CVE-2017-1000256",
    "datePublished": "2017-10-31T15:00:00",
    "dateReserved": "2017-10-18T00:00:00",
    "dateUpdated": "2024-08-05T22:00:39.668Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.
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.

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