cnvd-2019-10452
Vulnerability from cnvd
Title
Cisco IOS XE Catalyst 4500拒绝服务漏洞
Description
Cisco IOS XE是一个基于Linux内核的模块化操作系统。
Catalyst 4500系列交换机上的Cisco IOS XE软件的简易虚拟交换系统(VSS)存在拒绝服务漏洞,该漏洞源于在处理简易虚拟交换系统使用的Cisco发现协议(CDP)时未能进行完整的处理错误,未认证邻近攻击者可通过发送特制CDP数据包利用该漏洞导致设备重新加载,从而可导致拒绝服务。
Severity
中
VLAI Severity ?
Patch Name
Cisco IOS XE Catalyst 4500拒绝服务漏洞的补丁
Patch Description
Cisco IOS XE是一个基于Linux内核的模块化操作系统。
Catalyst 4500系列交换机上的Cisco IOS XE软件的简易虚拟交换系统(VSS)存在拒绝服务漏洞,该漏洞源于在处理简易虚拟交换系统使用的Cisco发现协议(CDP)时未能进行完整的处理错误,未认证邻近攻击者可通过发送特制CDP数据包利用该漏洞导致设备重新加载,从而可导致拒绝服务。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
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-20190327-evss
Reference
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-evss
Impacted products
| Name | ['Cisco IOS XE', 'Cisco Catalyst 4500', 'Cisco Catalyst 4500-X'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2019-1750"
}
},
"description": "Cisco IOS XE\u662f\u4e00\u4e2a\u57fa\u4e8eLinux\u5185\u6838\u7684\u6a21\u5757\u5316\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nCatalyst 4500\u7cfb\u5217\u4ea4\u6362\u673a\u4e0a\u7684Cisco IOS XE\u8f6f\u4ef6\u7684\u7b80\u6613\u865a\u62df\u4ea4\u6362\u7cfb\u7edf(VSS)\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u5904\u7406\u7b80\u6613\u865a\u62df\u4ea4\u6362\u7cfb\u7edf\u4f7f\u7528\u7684Cisco\u53d1\u73b0\u534f\u8bae(CDP)\u65f6\u672a\u80fd\u8fdb\u884c\u5b8c\u6574\u7684\u5904\u7406\u9519\u8bef\uff0c\u672a\u8ba4\u8bc1\u90bb\u8fd1\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236CDP\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8bbe\u5907\u91cd\u65b0\u52a0\u8f7d\uff0c\u4ece\u800c\u53ef\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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-20190327-evss",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2019-10452",
"openTime": "2019-04-18",
"patchDescription": "Cisco IOS XE\u662f\u4e00\u4e2a\u57fa\u4e8eLinux\u5185\u6838\u7684\u6a21\u5757\u5316\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCatalyst 4500\u7cfb\u5217\u4ea4\u6362\u673a\u4e0a\u7684Cisco IOS XE\u8f6f\u4ef6\u7684\u7b80\u6613\u865a\u62df\u4ea4\u6362\u7cfb\u7edf(VSS)\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u5904\u7406\u7b80\u6613\u865a\u62df\u4ea4\u6362\u7cfb\u7edf\u4f7f\u7528\u7684Cisco\u53d1\u73b0\u534f\u8bae(CDP)\u65f6\u672a\u80fd\u8fdb\u884c\u5b8c\u6574\u7684\u5904\u7406\u9519\u8bef\uff0c\u672a\u8ba4\u8bc1\u90bb\u8fd1\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236CDP\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8bbe\u5907\u91cd\u65b0\u52a0\u8f7d\uff0c\u4ece\u800c\u53ef\u5bfc\u81f4\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": "Cisco IOS XE Catalyst 4500\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"Cisco IOS XE",
"Cisco Catalyst 4500",
"Cisco Catalyst 4500-X"
]
},
"referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-evss",
"serverity": "\u4e2d",
"submitTime": "2019-03-28",
"title": "Cisco IOS XE Catalyst 4500\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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