CVE-2019-15261— Cisco Aironet Access Points 输入验证错误漏洞
一分钟漏洞结论
影响对象
Cisco Cisco Aironet Access Point Software
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Cisco Aironet Access Points (APs)中的Point-to-Point Tunneling Protocol (PPTP) VPN数据包处理功能存在输入验证错误漏洞。远程攻击者可利用该漏洞造成拒绝服务。
可能的 ATT&CK 技术 1 AI
T1490 · Inhibit System Recovery
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一、 漏洞 CVE-2019-15261 基础信息
漏洞信息
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Vulnerability Title
Cisco Aironet Access Points Point-to-Point Tunneling Protocol Denial of Service Vulnerability
来源: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Point-to-Point Tunneling Protocol (PPTP) VPN packet processing functionality in Cisco Aironet Access Points (APs) could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Generic Routing Encapsulation (GRE) frames that pass through the data plane of an affected AP. An attacker could exploit this vulnerability by associating to a vulnerable AP, initiating a PPTP VPN connection to an arbitrary PPTP VPN server, and sending a malicious GRE frame through the data plane of the AP. A successful exploit could allow the attacker to cause an internal process of the targeted AP to crash, which in turn would cause the AP to reload. The AP reload would cause a DoS condition for clients that are associated with the AP.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
Cisco Aironet Access Points 输入验证错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Cisco Aironet Access Points (APs)中的Point-to-Point Tunneling Protocol (PPTP) VPN数据包处理功能存在输入验证错误漏洞。远程攻击者可利用该漏洞造成拒绝服务。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Cisco | Cisco Aironet Access Point Software | unspecified ~ n/a | - |
|
二、漏洞 CVE-2019-15261 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2019-15261 厂商安全公告 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191016-airo-pptp-dos vendor-advisory x_refsource_CISCO
同批安全公告 · Cisco · 2019-10-16 · 共 41 条
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| CVE-2019-15247 | Cisco SPA100 Series Analog Telephone Adapters 缓冲区错误漏洞 | |
| CVE-2019-15248 | Cisco SPA100 Series Analog Telephone Adapters 缓冲区错误漏洞 | |
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| CVE-2019-15244 | Cisco SPA100 Series Analog Telephone Adapters 缓冲区错误漏洞 | |
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| CVE-2019-15243 | Cisco SPA100 Series Analog Telephone Adapters 缓冲区错误漏洞 | |
| CVE-2019-15240 | Cisco SPA100 Series Analog Telephone Adapters 缓冲区错误漏洞 | |
| CVE-2019-15250 | Cisco SPA100 Series Analog Telephone Adapters 缓冲区错误漏洞 | |
| CVE-2019-12705 | Cisco Expressway Series和Cisco TelePresence Video Communication Server 跨站脚本漏洞 | |
| CVE-2019-12708 | Cisco SPA100 Series Analog Telephone Adapters 信息泄露漏洞 | |
| CVE-2019-12718 | 多款Cisco产品跨站脚本漏洞 | |
| CVE-2019-12703 | Cisco SPA122 ATA with Router Devices 跨站脚本漏洞 | |
| CVE-2019-12704 | Cisco SPA100 Series Analog Telephone Adapters 信息泄露漏洞 | |
| CVE-2019-12638 | Cisco Identity Services Engine 跨站脚本漏洞 | |
| CVE-2019-12702 | Cisco SPA100 Series Analog Telephone Adapters 跨站脚本漏洞 | |
| CVE-2019-12636 | Cisco 250 Series Smart Switches、350 Series Managed Switches和550X Series Stackable Managed | |
| CVE-2019-12637 | Cisco Identity Services Engine 跨站脚本漏洞 |
显示前 20 条，共 41 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2019-15261
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