cnvd - cnvd-2017-31448

CNVD-2017-31448

Vulnerability from cnvd - Published: 2017-10-25

Title

Juniper Junos OS telnetd拒绝服务漏洞

Description

Juniper Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件系统的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Junos OS中的telnetd服务存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务。

Severity

中

Patch Name

Juniper Junos OS telnetd拒绝服务漏洞的补丁

Patch Description

Juniper Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件系统的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Junos OS中的telnetd服务存在拒绝服务漏洞。远程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://kb.juniper.net/InfoCenter/index?page=content&id=JSA10817&actp=METADATA

Reference

https://kb.juniper.net/JSA10817

Impacted products

Name
['Juniper Networks Junos OS 15.1', 'Juniper Networks Junos OS 16.1', 'Juniper Networks Junos OS 14.1X53', 'Juniper Networks Junos OS 12.1X46', 'Juniper Networks Junos OS 15.1X49', 'Juniper Networks Junos OS 12.3X48', 'Juniper Networks Junos OS 14.1', 'Juniper Networks Junos OS 14.2', 'Juniper Networks Junos OS 15.1X53', 'Juniper Networks Junos OS 16.2']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-10621"
    }
  },
  "description": "Juniper Junos OS\u662f\u7f8e\u56fd\u77bb\u535a\u7f51\u7edc\uff08Juniper Networks\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e13\u7528\u4e8e\u8be5\u516c\u53f8\u7684\u786c\u4ef6\u7cfb\u7edf\u7684\u7f51\u7edc\u64cd\u4f5c\u7cfb\u7edf\u3002\u8be5\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u4e86\u5b89\u5168\u7f16\u7a0b\u63a5\u53e3\u548cJunos SDK\u3002\r\n\r\nJuniper Junos OS\u4e2d\u7684telnetd\u670d\u52a1\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Unknow",
  "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://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10817\u0026actp=METADATA",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-31448",
  "openTime": "2017-10-25",
  "patchDescription": "Juniper Junos OS\u662f\u7f8e\u56fd\u77bb\u535a\u7f51\u7edc\uff08Juniper Networks\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e13\u7528\u4e8e\u8be5\u516c\u53f8\u7684\u786c\u4ef6\u7cfb\u7edf\u7684\u7f51\u7edc\u64cd\u4f5c\u7cfb\u7edf\u3002\u8be5\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u4e86\u5b89\u5168\u7f16\u7a0b\u63a5\u53e3\u548cJunos SDK\u3002\r\n\r\nJuniper Junos OS\u4e2d\u7684telnetd\u670d\u52a1\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\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": "Juniper Junos OS telnetd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Juniper Networks Junos OS 15.1",
      "Juniper Networks Junos OS 16.1",
      "Juniper Networks Junos OS 14.1X53",
      "Juniper Networks Junos OS 12.1X46",
      "Juniper Networks Junos OS 15.1X49",
      "Juniper Networks Junos OS 12.3X48",
      "Juniper Networks Junos OS 14.1",
      "Juniper Networks Junos OS 14.2",
      "Juniper Networks Junos OS 15.1X53",
      "Juniper Networks Junos OS 16.2"
    ]
  },
  "referenceLink": "https://kb.juniper.net/JSA10817",
  "serverity": "\u4e2d",
  "submitTime": "2017-10-19",
  "title": "Juniper Junos OS telnetd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-10621 (GCVE-0-2017-10621)

Vulnerability from cvelistv5 – Published: 2017-10-13 17:00 – Updated: 2024-09-16 18:43

Summary

A denial of service vulnerability in telnetd service on Juniper Networks Junos OS allows remote unauthenticated attackers to cause a denial of service. Affected Junos OS releases are: 12.1X46 prior to 12.1X46-D71; 12.3X48 prior to 12.3X48-D50; 14.1 prior to 14.1R8-S5, 14.1R9; 14.1X53 prior to 14.1X53-D50; 14.2 prior to 14.2R7-S9, 14.2R8; 15.1 prior to 15.1F2-S16, 15.1F5-S7, 15.1F6-S6, 15.1R5-S2, 15.1R6; 15.1X49 prior to 15.1X49-D90; 15.1X53 prior to 15.1X53-D47; 16.1 prior to 16.1R4-S1, 16.1R5; 16.2 prior to 16.2R1-S3, 16.2R2;

Severity ?

5.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

denial of service

Assigner

juniper

References

URL

Tags

https://kb.juniper.net/JSA10817

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	Juniper Networks	Junos OS	Affected: 12.1X46 prior to 12.1X46-D71 Affected: 12.3X48 prior to 12.3X48-D50 Affected: 14.1 prior to 14.1R8-S5, 14.1R9 Affected: 14.1X53 prior to 14.1X53-D50 Affected: 14.2 prior to 14.2R7-S9, 14.2R8 Affected: 15.1 prior to 15.1F2-S16, 15.1F5-S7, 15.1F6-S6, 15.1R5-S2, 15.1R6 Affected: 15.1X49 prior to 15.1X49-D90 Affected: 15.1X53 prior to 15.1X53-D47 Affected: 16.1 prior to 16.1R4-S1, 16.1R5 Affected: 16.2 prior to 16.2R1-S3, 16.2R2

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T17:41:55.505Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://kb.juniper.net/JSA10817"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Junos OS",
          "vendor": "Juniper Networks",
          "versions": [
            {
              "status": "affected",
              "version": "12.1X46 prior to 12.1X46-D71"
            },
            {
              "status": "affected",
              "version": "12.3X48 prior to 12.3X48-D50"
            },
            {
              "status": "affected",
              "version": "14.1 prior to 14.1R8-S5, 14.1R9"
            },
            {
              "status": "affected",
              "version": "14.1X53 prior to 14.1X53-D50"
            },
            {
              "status": "affected",
              "version": "14.2 prior to 14.2R7-S9, 14.2R8"
            },
            {
              "status": "affected",
              "version": "15.1 prior to 15.1F2-S16, 15.1F5-S7, 15.1F6-S6, 15.1R5-S2, 15.1R6"
            },
            {
              "status": "affected",
              "version": "15.1X49 prior to 15.1X49-D90"
            },
            {
              "status": "affected",
              "version": "15.1X53 prior to 15.1X53-D47"
            },
            {
              "status": "affected",
              "version": "16.1 prior to 16.1R4-S1, 16.1R5"
            },
            {
              "status": "affected",
              "version": "16.2 prior to 16.2R1-S3, 16.2R2"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "value": "This issue only affects systems with telnetd enabled."
        }
      ],
      "datePublic": "2017-10-11T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A denial of service vulnerability in telnetd service on Juniper Networks Junos OS allows remote unauthenticated attackers to cause a denial of service. Affected Junos OS releases are: 12.1X46 prior to 12.1X46-D71; 12.3X48 prior to 12.3X48-D50; 14.1 prior to 14.1R8-S5, 14.1R9; 14.1X53 prior to 14.1X53-D50; 14.2 prior to 14.2R7-S9, 14.2R8; 15.1 prior to 15.1F2-S16, 15.1F5-S7, 15.1F6-S6, 15.1R5-S2, 15.1R6; 15.1X49 prior to 15.1X49-D90; 15.1X53 prior to 15.1X53-D47; 16.1 prior to 16.1R4-S1, 16.1R5; 16.2 prior to 16.2R1-S3, 16.2R2;"
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "denial of service",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-10-13T16:57:01",
        "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "shortName": "juniper"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kb.juniper.net/JSA10817"
        }
      ],
      "title": "Junos OS: Denial of service vulnerability in telnetd",
      "workarounds": [
        {
          "lang": "en",
          "value": "Disabling the telnet service would completely mitigate this issue.\n\nReducing the maximum number of connections to a value between 1 and 250 would help mitigate this vulnerability.\nFor example:\n  user@junos# set system services telnet connection-limit 100"
        },
        {
          "lang": "en",
          "value": "It is good security practice to limit the exploitable attack surface of critical infrastructure networking equipment. Use access lists or firewall filters to limit access to the device from trusted, administrative networks or hosts."
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "sirt@juniper.net",
          "DATE_PUBLIC": "2017-10-11T09:00",
          "ID": "CVE-2017-10621",
          "STATE": "PUBLIC",
          "TITLE": "Junos OS: Denial of service vulnerability in telnetd"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Junos OS",
                      "version": {
                        "version_data": [
                          {
                            "platform": "",
                            "version_value": "12.1X46 prior to 12.1X46-D71"
                          },
                          {
                            "platform": "",
                            "version_value": "12.3X48 prior to 12.3X48-D50"
                          },
                          {
                            "platform": "",
                            "version_value": "14.1 prior to 14.1R8-S5, 14.1R9"
                          },
                          {
                            "platform": "",
                            "version_value": "14.1X53 prior to 14.1X53-D50"
                          },
                          {
                            "platform": "",
                            "version_value": "14.2 prior to 14.2R7-S9, 14.2R8"
                          },
                          {
                            "platform": "",
                            "version_value": "15.1 prior to 15.1F2-S16, 15.1F5-S7, 15.1F6-S6, 15.1R5-S2, 15.1R6"
                          },
                          {
                            "platform": "",
                            "version_value": "15.1X49 prior to 15.1X49-D90"
                          },
                          {
                            "platform": "",
                            "version_value": "15.1X53 prior to 15.1X53-D47"
                          },
                          {
                            "platform": "",
                            "version_value": "16.1 prior to 16.1R4-S1, 16.1R5"
                          },
                          {
                            "platform": "",
                            "version_value": "16.2 prior to 16.2R1-S3, 16.2R2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Juniper Networks"
              }
            ]
          }
        },
        "configuration": [
          {
            "lang": "en",
            "value": "This issue only affects systems with telnetd enabled."
          }
        ],
        "credit": [],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A denial of service vulnerability in telnetd service on Juniper Networks Junos OS allows remote unauthenticated attackers to cause a denial of service. Affected Junos OS releases are: 12.1X46 prior to 12.1X46-D71; 12.3X48 prior to 12.3X48-D50; 14.1 prior to 14.1R8-S5, 14.1R9; 14.1X53 prior to 14.1X53-D50; 14.2 prior to 14.2R7-S9, 14.2R8; 15.1 prior to 15.1F2-S16, 15.1F5-S7, 15.1F6-S6, 15.1R5-S2, 15.1R6; 15.1X49 prior to 15.1X49-D90; 15.1X53 prior to 15.1X53-D47; 16.1 prior to 16.1R4-S1, 16.1R5; 16.2 prior to 16.2R1-S3, 16.2R2;"
            }
          ]
        },
        "exploit": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.",
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "denial of service"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kb.juniper.net/JSA10817",
              "refsource": "CONFIRM",
              "url": "https://kb.juniper.net/JSA10817"
            }
          ]
        },
        "solution": "The following software releases have been updated to resolve this specific issue: 12.1X46-D71, 12.3X48-D50, 14.1R8-S5, 14.1R9, 14.1X53-D46, 14.1X53-D50, 14.2R7-S9, 14.2R8, 15.1F2-S16, 15.1F5-S7, 15.1F6-S6, 15.1R5-S2, 15.1R6, 15.1X49-D100, 15.1X49-D90, 15.1X53-D47, 16.1R4-S1, 16.1R5, 16.2R1-S3, 16.2R2, 17.1R1, and all subsequent releases.\n\nThis issue is being tracked as PR 1159841 and is visible on the Customer Support website.",
        "work_around": [
          {
            "lang": "en",
            "value": "Disabling the telnet service would completely mitigate this issue.\n\nReducing the maximum number of connections to a value between 1 and 250 would help mitigate this vulnerability.\nFor example:\n  user@junos# set system services telnet connection-limit 100"
          },
          {
            "lang": "en",
            "value": "It is good security practice to limit the exploitable attack surface of critical infrastructure networking equipment. Use access lists or firewall filters to limit access to the device from trusted, administrative networks or hosts."
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
    "assignerShortName": "juniper",
    "cveId": "CVE-2017-10621",
    "datePublished": "2017-10-13T17:00:00Z",
    "dateReserved": "2017-06-28T00:00:00",
    "dateUpdated": "2024-09-16T18:43:34.769Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2017-31448

CVE-2017-10621 (GCVE-0-2017-10621)

Tags

Sightings

Nomenclature