cnvd - cnvd-2021-39137

cnvd-2021-39137

Vulnerability from cnvd

Title: Canonical Ubuntu资源管理错误漏洞

Description:

Canonical Ubuntu是英国科能（Canonical）公司的一套以桌面应用为主的GNU/Linux操作系统。

Ubuntu 存在资源管理错误漏洞，该漏洞源于客户端发起重新协商拒绝服务。攻击者可利用该漏洞造成拒绝服务。

Severity: 中

Patch Name: Canonical Ubuntu资源管理错误漏洞的补丁

Patch Description:

Canonical Ubuntu是英国科能（Canonical）公司的一套以桌面应用为主的GNU/Linux操作系统。

Ubuntu 存在资源管理错误漏洞，该漏洞源于客户端发起重新协商拒绝服务。攻击者可利用该漏洞造成拒绝服务。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://bugzilla.redhat.com/show_bug.cgi?id=1921846

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-20201

Impacted products

Name
canonical Ubuntu <0.14.92

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20201"
    }
  },
  "description": "Canonical Ubuntu\u662f\u82f1\u56fd\u79d1\u80fd\uff08Canonical\uff09\u516c\u53f8\u7684\u4e00\u5957\u4ee5\u684c\u9762\u5e94\u7528\u4e3a\u4e3b\u7684GNU/Linux\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nUbuntu \u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5ba2\u6237\u7aef\u53d1\u8d77\u91cd\u65b0\u534f\u5546\u62d2\u7edd\u670d\u52a1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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://bugzilla.redhat.com/show_bug.cgi?id=1921846",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-39137",
  "openTime": "2021-06-03",
  "patchDescription": "Canonical Ubuntu\u662f\u82f1\u56fd\u79d1\u80fd\uff08Canonical\uff09\u516c\u53f8\u7684\u4e00\u5957\u4ee5\u684c\u9762\u5e94\u7528\u4e3a\u4e3b\u7684GNU/Linux\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nUbuntu \u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5ba2\u6237\u7aef\u53d1\u8d77\u91cd\u65b0\u534f\u5546\u62d2\u7edd\u670d\u52a1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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": "Canonical Ubuntu\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "canonical Ubuntu \u003c0.14.92"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-20201",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-21",
  "title": "Canonical Ubuntu\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-20201 (GCVE-0-2021-20201)

Vulnerability from cvelistv5

Published

2021-05-28 10:42

Modified

2024-08-03 17:30

Severity ?

CWE

CWE-400

Summary

A flaw was found in spice in versions before 0.14.92. A DoS tool might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1921846	x_refsource_MISC
	https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks	x_refsource_MISC
	https://security.gentoo.org/glsa/202208-10	vendor-advisory, x_refsource_GENTOO

Impacted products

	Vendor	Product	Version
	n/a	spice	Version: spice 0.14.92

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:30:07.638Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921846"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks"
          },
          {
            "name": "GLSA-202208-10",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202208-10"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "spice",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "spice 0.14.92"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in spice in versions before 0.14.92. A DoS tool might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-08-10T05:06:11",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921846"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks"
        },
        {
          "name": "GLSA-202208-10",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202208-10"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2021-20201",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "spice",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "spice 0.14.92"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A flaw was found in spice in versions before 0.14.92. A DoS tool might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-400"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1921846",
              "refsource": "MISC",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921846"
            },
            {
              "name": "https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks",
              "refsource": "MISC",
              "url": "https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks"
            },
            {
              "name": "GLSA-202208-10",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202208-10"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2021-20201",
    "datePublished": "2021-05-28T10:42:15",
    "dateReserved": "2020-12-17T00:00:00",
    "dateUpdated": "2024-08-03T17:30:07.638Z",
    "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.

Action not permitted