Vulnerability-Lookup

CNVD-2019-36654

Vulnerability from cnvd - Published: 2019-10-22

Title

Cisco IOS XE HTTP服务器拒绝服务漏洞

Description

Cisco IOS XE是美国Cisco公司的一套为其网络设备开发的操作系统。 Cisco IOS XE的HTTP服务器代码存在拒绝服务漏洞。该漏洞源于日志记录机制存在逻辑错误。攻击者可利用该漏洞通过生成大量与设备上的HTTP服务的长期连接导致HTTP服务器崩溃。

Severity

中

Patch Name

Cisco IOS XE HTTP服务器拒绝服务漏洞的补丁

Patch Description

Cisco IOS XE是美国Cisco公司的一套为其网络设备开发的操作系统。 Cisco IOS XE的HTTP服务器代码存在拒绝服务漏洞。该漏洞源于日志记录机制存在逻辑错误。攻击者可利用该漏洞通过生成大量与设备上的HTTP服务的长期连接导致HTTP服务器崩溃。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

厂商已发布了漏洞修复程序，请及时关注更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-httpserv-dos

Reference

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-httpserv-dos

Impacted products

Name
Cisco IOS XE

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-12659",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-12659"
    }
  },
  "description": "Cisco IOS XE\u662f\u7f8e\u56fdCisco\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nCisco IOS XE\u7684HTTP\u670d\u52a1\u5668\u4ee3\u7801\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u65e5\u5fd7\u8bb0\u5f55\u673a\u5236\u5b58\u5728\u903b\u8f91\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u751f\u6210\u5927\u91cf\u4e0e\u8bbe\u5907\u4e0a\u7684HTTP\u670d\u52a1\u7684\u957f\u671f\u8fde\u63a5\u5bfc\u81f4HTTP\u670d\u52a1\u5668\u5d29\u6e83\u3002",
  "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-20190925-httpserv-dos",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-36654",
  "openTime": "2019-10-22",
  "patchDescription": "Cisco IOS XE\u662f\u7f8e\u56fdCisco\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\u7684HTTP\u670d\u52a1\u5668\u4ee3\u7801\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u65e5\u5fd7\u8bb0\u5f55\u673a\u5236\u5b58\u5728\u903b\u8f91\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u751f\u6210\u5927\u91cf\u4e0e\u8bbe\u5907\u4e0a\u7684HTTP\u670d\u52a1\u7684\u957f\u671f\u8fde\u63a5\u5bfc\u81f4HTTP\u670d\u52a1\u5668\u5d29\u6e83\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 HTTP\u670d\u52a1\u5668\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco IOS XE"
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-httpserv-dos",
  "serverity": "\u4e2d",
  "submitTime": "2019-09-26",
  "title": "Cisco IOS XE HTTP\u670d\u52a1\u5668\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2019-12659 (GCVE-0-2019-12659)

Vulnerability from cvelistv5 – Published: 2019-09-25 20:15 – Updated: 2024-11-19 18:55

Title

Cisco IOS XE Software HTTP Server Denial of Service Vulnerability

Summary

A vulnerability in the HTTP server code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the HTTP server to crash. The vulnerability is due to a logical error in the logging mechanism. An attacker could exploit this vulnerability by generating a high amount of long-lived connections to the HTTP service on the device. A successful exploit could allow the attacker to cause the HTTP server to crash.

Severity

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-19 17:22 UTC

CWE

CWE-399

Assigner

cisco mitre root

References

1 reference

URL	Tags
https://tools.cisco.com/security/center/content/C…	vendor-advisoryx_refsource_CISCO

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco IOS XE Software 3.2.0JA	Affected: unspecified , < n/a (custom)

Date Public

2019-09-25 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T23:24:39.192Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "name": "20190925 Cisco IOS XE Software HTTP Server Denial of Service  Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-httpserv-dos"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2019-12659",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-19T17:22:59.247886Z",
                "version": "2.0.3"
              },
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        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-19T18:55:47.131Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco IOS XE Software 3.2.0JA",
          "vendor": "Cisco",
          "versions": [
            {
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              "status": "affected",
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            }
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        }
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      "exploits": [
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      "metrics": [
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            "attackComplexity": "LOW",
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            "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"
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        "dateUpdated": "2019-09-25T20:15:33.000Z",
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          "STATE": "PUBLIC",
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        },
        "affects": {
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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.

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

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CNVD-2019-36654

CVE-2019-12659 (GCVE-0-2019-12659)

Tags

Sightings

Nomenclature

Related by attack behaviour