CVE-2020-3273— Cisco Wireless LAN Controller Software 缓冲区错误漏洞
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一、 漏洞 CVE-2020-3273 基础信息
漏洞信息
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Vulnerability Title
Cisco Wireless LAN Controller 802.11 Generic Advertisement Service Denial of Service Vulnerability
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
A vulnerability in the 802.11 Generic Advertisement Service (GAS) frame processing function of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS). The vulnerability is due to incomplete input validation of the 802.11 GAS frames that are processed by an affected device. An attacker could exploit this vulnerability by sending a crafted 802.11 GAS frame over the air to an access point (AP), and that frame would then be relayed to the affected WLC. Also, an attacker with Layer 3 connectivity to the WLC could exploit this vulnerability by sending a malicious 802.11 GAS payload in a Control and Provisioning of Wireless Access Points (CAPWAP) packet to the device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS.
来源: 美国国家漏洞数据库 NVD
CVSS Information
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Cisco Wireless LAN Controller Software 缓冲区错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Cisco Wireless LAN Controller（WLC）Software是美国思科（Cisco）公司的一套用于配置和管理WLC（无线局域网控制器）的软件。 Cisco WLC Software中的802.11 Generic Advertisement Service (GAS)帧处理功能存在缓冲区错误漏洞，该漏洞源于程序没有对802.11 GAS帧进行充分的验证。远程攻击者可通过向无线接入点发送特制的802.11 GAS帧利用该漏洞造成设备重新加载，导致拒绝服务。
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 Wireless LAN Controller (WLC) | n/a | - |
二、漏洞 CVE-2020-3273 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2020-3273 厂商安全公告 (1)
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-gas-dos-8FsE3AWHvendor-advisoryx_refsource_CISCO
同批安全公告 · Cisco · 2020-04-15 · 共 17 条
| CVE-2020-3161 | 多款Cisco产品输入验证错误漏洞 | |
| CVE-2020-3162 | Cisco IoT Field Network Director Constrained Application Protocol 输入验证错误漏洞 | |
| CVE-2020-3177 | Cisco Unified Communications Manager和Unified Communications Manager Session Management Edi | |
| CVE-2020-3194 | Cisco Webex Network Webex Player 输入验证错误漏洞 | |
| CVE-2020-3239 | Cisco UCS Director和Cisco UCS Director Express for Big Data 路径遍历漏洞 | |
| CVE-2020-3240 | Cisco UCS Director和Cisco UCS Director Express for Big Data 输入验证错误漏洞 | |
| CVE-2020-3243 | Cisco UCS Director和Cisco UCS Director Express for Big Data 输入验证错误漏洞 | |
| CVE-2020-3247 | Cisco UCS Director和Cisco UCS Director Express for Big Data 路径遍历漏洞 | |
| CVE-2020-3248 | Cisco UCS Director和Cisco UCS Director Express for Big Data 路径遍历漏洞 | |
| CVE-2020-3249 | Cisco UCS Director和Cisco UCS Director Express for Big Data 路径遍历漏洞 | |
| CVE-2020-3250 | Cisco UCS Director和Cisco UCS Director Express for Big Data 路径遍历漏洞 | |
| CVE-2020-3251 | Cisco UCS Director和Cisco UCS Director Express for Big Data 路径遍历漏洞 | |
| CVE-2020-3252 | Cisco UCS Director 路径遍历漏洞 | |
| CVE-2020-3260 | Cisco Aironet Series Access Points Software 资源管理错误漏洞 | |
| CVE-2020-3261 | Cisco Mobility Express Software 跨站请求伪造漏洞 | |
| CVE-2020-3262 | Cisco Wireless LAN Controller Software 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2020-3273
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