保安警报 (A21-08-15): 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 Application Policy Infrastructure Controller
• Cisco NX-OS
• Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) Mode
• Cisco Nexus 9500 Series Switches
• Cisco UCS Manager

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插入指令码、跨网址程式编程、服务受阻断、泄漏资讯、权限提升、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-capic-chvul-CKfGYBh8
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-frw-Nt3RYxR2
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-mdvul-HBsJBuvW
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-pesc-pkmGK4J
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-scss-bFT75YrM
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n9kaci-queue-wedge-cLDDEfKF
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n9kaci-tcp-dos-YXukt6gM
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-naci-afr-UtjfO2D7
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-naci-mdvul-vrKVgNU
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nexus-acl-vrvQYPVe
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-login-blockfor-RwjGVEcu
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mpls-oam-dos-sGO9x5GM
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ngoam-dos-LTDb9Hv
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-ssh-dos-MgvmyrQy
• https://www.hkcert.org/tc/security-bulletin/cisco-products-multiple-vulnerabilities_20210826
• https://us-cert.cisa.gov/ncas/current-activity/2021/08/26/cisco-releases-security-updates-multiple-products
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1523
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1577 (to CVE-2021-1584)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1586 (to CVE-2021-1588)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1590 (to CVE-2021-1592)