安全研究

安全漏洞
多款Cisco Small Business RV Series Routers文件上传漏洞(CVE-2021-1472)

发布日期:2021-04-07
更新日期:2021-04-14

受影响系统:
Cisco RV340 Dual WAN Gigabit VPN Router
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router
Cisco RV345 Dual WAN Gigabit VPN Router
Cisco RV345P Dual WAN Gigabit POE VPN Router
Cisco RV160 VPN Router
Cisco RV160W Wireless-AC VPN Router
Cisco RV260 VPN Router
Cisco RV260P VPN Router with PoE
Cisco RV260W Wireless-AC VPN Router
描述:
CVE(CAN) ID: CVE-2021-1472

Cisco Small Business RV340等是Cisco公司旗下的路由器系列。
多款Small Business RV Series Routers存在文件上传漏洞。该漏洞源于会话管理不当。未经身份认证的远程攻击者可通过向受影响设备发送特制的HTTP请求利用该漏洞将文件上传到本应受限的目录中。

<*来源:T. Shiomitsu(IoT Inspector Research Lab)
  
  链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-bypass-inject-R
*>

建议:
厂商补丁:

Cisco
-----
Cisco已经为此发布了一个安全公告(cisco-sa-sb-rv-bypass-inject-Rbhgvfdx)以及相应补丁:
cisco-sa-sb-rv-bypass-inject-Rbhgvfdx:Cisco Small Business RV Series Routers Vulnerabilities
链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-bypass-inject-Rbhgvfdx

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