保安警报 (A21-08-11): Cisco 产品多个漏洞

描述:

Cisco 发布了安全公告以应对发现於 Cisco 装置及软件中的多个漏洞。有关漏洞及攻击向量的资料，请参阅供应商网站的相应安全公告。

受影响的系统:

• Cisco Expressway Series 及 TelePresence Video Communication Server
• Cisco Secure Email 及 Web Manager
• Cisco Small Business RV110W、RV130、RV130W 及 RV215W Routers
• Cisco Video Surveillance 7000 Series IP Cameras
• Cisco Web Security Appliance (WSA)、Cisco Firepower Threat Defense (FTD) 及 the Snort detection engine

有关受影响产品的详细资料，请参阅供应商网站的相应安全公告中有关 “Affected Products” 的部分。

影响:

成功利用这些漏洞可以在受影响的系统导致远端执行指令码、执行任意程式码、服务受阻断、绕过保安限制或篡改，视乎攻击者利用哪些漏洞而定。

建议:

适用於受影响系统的软件更新已可获取。受影响系统的系统管理员应遵从产品供应商的建议，立即采取行动以降低风险。有关修补程式的详细资料，请参阅供应商网站的相应安全公告中有关 “Fixed Software” 的部分。

系统管理员可联络其产品支援供应商，以取得修补程式及有关支援。

进一步信息:

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdL
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-sb-rv-overflow-htpymMB5
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sni-data-exfil-mFgzXqLN
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sma-spam-jPxUXMk
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipcamera-lldp-dos-OFP7j9j
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewver-c6WZPXRx
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewrce-QPynNCjh
• https://www.hkcert.org/tc/security-bulletin/cisco-products-multiple-vulnerabilities_20210819
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1561
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22156
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34715
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34716
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34730
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34734
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34749