Vulnerability-Lookup

CNVD-2018-20685

Vulnerability from cnvd - Published: 2018-10-11

Title

Cisco IOS XE Software数字签名验证绕过漏洞

Description

Cisco IOS XE Software是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS XE Software中的Image Verification功能存在数字签名验证绕过漏洞，该漏洞源于受影响的软件未能正确的验证上传到设备上的软件映像和文件的电子签名，本地攻击者可通过上传恶意的软件映像或文件利用该漏洞绕过电子签名验证检测并在受影响的设备上安装恶意的软件映像或文件。

Severity

高

Patch Name

Cisco IOS XE Software数字签名验证绕过漏洞的补丁

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-20180926-digsig

Reference

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-digsig

Impacted products

Name
Cisco IOS XE Software

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2018-15374"
    }
  },
  "description": "Cisco IOS XE Software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco IOS XE Software\u4e2d\u7684Image Verification\u529f\u80fd\u5b58\u5728\u6570\u5b57\u7b7e\u540d\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u53d7\u5f71\u54cd\u7684\u8f6f\u4ef6\u672a\u80fd\u6b63\u786e\u7684\u9a8c\u8bc1\u4e0a\u4f20\u5230\u8bbe\u5907\u4e0a\u7684\u8f6f\u4ef6\u6620\u50cf\u548c\u6587\u4ef6\u7684\u7535\u5b50\u7b7e\u540d\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4e0a\u4f20\u6076\u610f\u7684\u8f6f\u4ef6\u6620\u50cf\u6216\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u7535\u5b50\u7b7e\u540d\u9a8c\u8bc1\u68c0\u6d4b\u5e76\u5728\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u4e0a\u5b89\u88c5\u6076\u610f\u7684\u8f6f\u4ef6\u6620\u50cf\u6216\u6587\u4ef6\u3002",
  "discovererName": "Cisco",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-20685",
  "openTime": "2018-10-11",
  "patchDescription": "Cisco IOS XE Software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco IOS XE Software\u4e2d\u7684Image Verification\u529f\u80fd\u5b58\u5728\u6570\u5b57\u7b7e\u540d\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u53d7\u5f71\u54cd\u7684\u8f6f\u4ef6\u672a\u80fd\u6b63\u786e\u7684\u9a8c\u8bc1\u4e0a\u4f20\u5230\u8bbe\u5907\u4e0a\u7684\u8f6f\u4ef6\u6620\u50cf\u548c\u6587\u4ef6\u7684\u7535\u5b50\u7b7e\u540d\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4e0a\u4f20\u6076\u610f\u7684\u8f6f\u4ef6\u6620\u50cf\u6216\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u7535\u5b50\u7b7e\u540d\u9a8c\u8bc1\u68c0\u6d4b\u5e76\u5728\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u4e0a\u5b89\u88c5\u6076\u610f\u7684\u8f6f\u4ef6\u6620\u50cf\u6216\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 IOS XE Software\u6570\u5b57\u7b7e\u540d\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco IOS XE Software"
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-digsig",
  "serverity": "\u9ad8",
  "submitTime": "2018-10-08",
  "title": "Cisco IOS XE Software\u6570\u5b57\u7b7e\u540d\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2018-15374 (GCVE-0-2018-15374)

Vulnerability from cvelistv5 – Published: 2018-10-05 14:00 – Updated: 2024-11-26 14:35

Title

Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability

Summary

A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnerability is due to the affected software improperly verifying digital signatures for software images and files that are uploaded to a device. An attacker could exploit this vulnerability by uploading a malicious software image or file to an affected device. A successful exploit could allow the attacker to bypass digital signature verification checks for software images and files and install a malicious software image or file on the affected device.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-25 18:51 UTC

CWE

CWE-347

Assigner

cisco CNA under the mitre root

CNA scorecard C 66/100 over 377 records in the last 180 days details

References

2 references

URL	Tags
https://tools.cisco.com/security/center/content/C…	vendor-advisoryx_refsource_CISCO
http://www.securityfocus.com/bid/105415	vdb-entryx_refsource_BID

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco IOS XE Software	Affected: n/a

Date Public

2018-09-26 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T09:54:02.662Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20180926 Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-digsig"
          },
          {
            "name": "105415",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/105415"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2018-15374",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-25T18:51:13.999817Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-26T14:35:34.824Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco IOS XE Software",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
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      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnerability is due to the affected software improperly verifying digital signatures for software images and files that are uploaded to a device. An attacker could exploit this vulnerability by uploading a malicious software image or file to an affected device. A successful exploit could allow the attacker to bypass digital signature verification checks for software images and files and install a malicious software image or file on the affected device."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-347",
              "description": "CWE-347",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-10-07T09:57:02.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20180926 Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-digsig"
        },
        {
          "name": "105415",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/105415"
        }
      ],
      "source": {
        "advisory": "cisco-sa-20180926-digsig",
        "defect": [
          [
            "CSCvh15737"
          ]
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "DATE_PUBLIC": "2018-09-26T16:00:00-0500",
          "ID": "CVE-2018-15374",
          "STATE": "PUBLIC",
          "TITLE": "Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
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                  "product_data": [
                    {
                      "product_name": "Cisco IOS XE Software",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cisco"
              }
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        "description": {
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            }
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        },
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            },
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              "url": "http://www.securityfocus.com/bid/105415"
            }
          ]
        },
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          "defect": [
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    }
  },
  "cveMetadata": {
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    "state": "PUBLISHED"
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}

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.

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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.

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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.

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