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A vulnerability in the ingress packet processing functionality of the Cisco Virtualized Packet Core-Distributed Instance (VPC-DI) Software could allow an unauthenticated, remote attacker to cause both control function (CF) instances on an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient handling of user-supplied data by the affected software. An attacker could exploit this vulnerability by sending malicious traffic to the internal distributed instance (DI) network address on an affected system. A successful exploit could allow the attacker to cause an unhandled error condition on the affected system, which would cause the CF instances to reload and consequently cause the entire VPC to reload, resulting in the disconnection of all subscribers and a DoS condition on the affected system. This vulnerability affects Cisco Virtualized Packet Core-Distributed Instance (VPC-DI) Software N4.0 through N5.5 with the Cisco StarOS operating system 19.2 through 21.3. Cisco Bug IDs: CSCve17656.

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输入验证不恰当

Cisco Virtualized Packet Core-Distributed Instance Software Cisco StarOS操作系统安全漏洞

Cisco Virtualized Packet Core-Distributed Instance（VPC-DI）Software是美国思科（Cisco）公司的一套被部署在专用硬件平台的StarOS软件的产品化版本。Cisco StarOS operating system是其中的一套虚拟化操作系统。 Cisco VPC-DI Software N4.0版本至N5.5版本中的Cisco StarOS操作系统19.2版本至21.3版本的ingress packet处理功能存在拒绝服务漏洞，该漏洞源于程序没

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