Vulnerability-Lookup

CNVD-2019-04942

Vulnerability from cnvd - Published: 2019-02-22

Title

Cisco Network Convergence System 1000 Series IOS XR Software信息泄露漏洞

Description

Cisco Network Convergence System 1000 Series是美国思科（Cisco）公司的一套网络融合系统。 Cisco Network Convergence System 1000 Series中的IOS XR Software 6.5.2之前版本存在信息泄露漏洞，该漏洞源于程序未能正确地过滤TFTP请求中用户提交的输入，在TFTP服务被启用时，攻击者可通过向目标设备发送恶意的请求利用该漏洞检索设备上的任意文件。

Severity

高

Patch Name

Cisco Network Convergence System 1000 Series IOS XR Software信息泄露漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-ncs

Reference

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-ncs https://www.auscert.org.au/bulletins/75886

Impacted products

Name
Cisco Network Convergence System 1000 Series <6.5.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-1681"
    }
  },
  "description": "Cisco Network Convergence System 1000 Series\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u7f51\u7edc\u878d\u5408\u7cfb\u7edf\u3002\n\nCisco Network Convergence System 1000 Series\u4e2d\u7684IOS XR Software 6.5.2\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5730\u8fc7\u6ee4TFTP\u8bf7\u6c42\u4e2d\u7528\u6237\u63d0\u4ea4\u7684\u8f93\u5165\uff0c\u5728TFTP\u670d\u52a1\u88ab\u542f\u7528\u65f6\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u76ee\u6807\u8bbe\u5907\u53d1\u9001\u6076\u610f\u7684\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u68c0\u7d22\u8bbe\u5907\u4e0a\u7684\u4efb\u610f\u6587\u4ef6\u3002",
  "discovererName": "Cisco",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-ncs",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-04942",
  "openTime": "2019-02-22",
  "patchDescription": "Cisco Network Convergence System 1000 Series\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u7f51\u7edc\u878d\u5408\u7cfb\u7edf\u3002\r\n\r\nCisco Network Convergence System 1000 Series\u4e2d\u7684IOS XR Software 6.5.2\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5730\u8fc7\u6ee4TFTP\u8bf7\u6c42\u4e2d\u7528\u6237\u63d0\u4ea4\u7684\u8f93\u5165\uff0c\u5728TFTP\u670d\u52a1\u88ab\u542f\u7528\u65f6\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u76ee\u6807\u8bbe\u5907\u53d1\u9001\u6076\u610f\u7684\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u68c0\u7d22\u8bbe\u5907\u4e0a\u7684\u4efb\u610f\u6587\u4ef6\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": "Cisco Network Convergence System 1000 Series IOS XR Software\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco Network Convergence System 1000 Series \u003c6.5.2"
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-ncs\r\nhttps://www.auscert.org.au/bulletins/75886",
  "serverity": "\u9ad8",
  "submitTime": "2019-02-22",
  "title": "Cisco Network Convergence System 1000 Series IOS XR Software\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2019-1681 (GCVE-0-2019-1681)

Vulnerability from cvelistv5 – Published: 2019-02-21 20:00 – Updated: 2024-11-19 19:16

Title

Cisco Network Convergence System 1000 Series TFTP Directory Traversal Vulnerability

Summary

A vulnerability in the TFTP service of Cisco Network Convergence System 1000 Series software could allow an unauthenticated, remote attacker to retrieve arbitrary files from the targeted device, possibly resulting in information disclosure. The vulnerability is due to improper validation of user-supplied input within TFTP requests processed by the affected software. An attacker could exploit this vulnerability by using directory traversal techniques in malicious requests sent to the TFTP service on a targeted device. An exploit could allow the attacker to retrieve arbitrary files from the targeted device, resulting in the disclosure of sensitive information. This vulnerability affects Cisco IOS XR Software releases prior to Release 6.5.2 for Cisco Network Convergence System 1000 Series devices when the TFTP service is enabled.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-19 17:25 UTC

CWE

CWE-200

Assigner

cisco mitre root

References

2 references

URL	Tags
https://tools.cisco.com/security/center/content/C…	vendor-advisoryx_refsource_CISCO
http://www.securityfocus.com/bid/107107	vdb-entryx_refsource_BID

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco Network Convergence System 1000 Series	Affected: unspecified , < 6.5.2 (custom)

Date Public

2019-02-20 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T18:28:41.089Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20190220 Cisco Network Convergence System 1000 Series TFTP Directory Traversal Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-ncs"
          },
          {
            "name": "107107",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/107107"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2019-1681",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-19T17:25:25.147576Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-19T19:16:32.540Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "product": "Cisco Network Convergence System 1000 Series",
          "vendor": "Cisco",
          "versions": [
            {
              "lessThan": "6.5.2",
              "status": "affected",
              "version": "unspecified",
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            }
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        }
      ],
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      "descriptions": [
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          "lang": "en",
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        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          }
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      ],
      "problemTypes": [
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              "description": "CWE-200",
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      "providerMetadata": {
        "dateUpdated": "2019-02-22T10:57:01.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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      },
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          "tags": [
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          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-ncs"
        },
        {
          "name": "107107",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/107107"
        }
      ],
      "source": {
        "advisory": "cisco-sa-20190220-ncs",
        "defect": [
          [
            "CSCvk32415"
          ]
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco Network Convergence System 1000 Series TFTP Directory Traversal Vulnerability",
      "x_legacyV4Record": {
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          "ASSIGNER": "psirt@cisco.com",
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          "STATE": "PUBLIC",
          "TITLE": "Cisco Network Convergence System 1000 Series TFTP Directory Traversal Vulnerability"
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        "affects": {
          "vendor": {
            "vendor_data": [
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                      "version": {
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    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2019-04942

CVE-2019-1681 (GCVE-0-2019-1681)

Tags

Sightings

Nomenclature

Related by attack behaviour