cnvd - cnvd-2019-36654

cnvd-2019-36654

Vulnerability from cnvd

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

Modified

2024-11-19 18:55

Severity ?

5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-399

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.

References

▼	URL	Tags
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-httpserv-dos	vendor-advisory, x_refsource_CISCO

Impacted products

	Vendor	Product	Version
	Cisco	Cisco IOS XE Software 3.2.0JA	Version: unspecified < n/a

Show details on NVD website

JSON

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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.

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