保安警報 (A19-08-07): Cisco產品多個漏洞

描述:

Cisco發布了安全公告以應對發現於Cisco IOS XE、NX-OS 及 FXOS軟件中的多個漏洞。未獲認證的遠端攻擊者可以向受影響系統發出特製的查詢或封包，從而攻擊這些漏洞。獲認證的攻擊者可以執行惡意指令、操縱遠端管理連接或向受影響系統發出特製的SNMP封包，從而攻擊這些漏洞。

受影響的系統:

• Cisco運行Cisco IOS XE 軟件的產品
• Cisco運行Cisco NX-OS軟件的產品
• Cisco運行Cisco FXOS 軟件的產品

影響:

成功利用這些漏洞的攻擊者可以在受影響的系統導致繞過認證、執行任意指令、權限提升、或服務受阻斷。

建議:

適用於受影響系統的軟件更新已可獲取。受影響系統的系統管理員應遵從產品供應商的建議，立即採取行動以降低風險。有關修補程式的詳細資料，請參閱供應商網站的相應安全公告中有關 “Fixed Software” 的部分。

系統管理員可聯絡其產品支援供應商，以取得修補程式及有關支援。

進一步資訊:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-iosxe-rest-auth-bypass
https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-72243
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-ucs-privescalation
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-nxos-memleak-dos
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-nxos-ipv6-dos
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-nxos-fsip-dos
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-fxnxos-snmp-dos
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-nxos-snmp-bypass
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-nxos-ntp-dos
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-nxos-api-dos
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-nexus-aci-dos
https://www.hkcert.org/my_url/zh/alert/19082901
https://www.us-cert.gov/ncas/current-activity/2019/08/29/cisco-releases-security-updates-multiple-products
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1962 (to CVE-2019-1969)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1977
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12643