Paragon Active Assurance: Enabling the timescaledb enables IP forwarding

An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in the timescaledb feature of Juniper Networks Paragon Active Assurance (PAA) (Formerly Netrounds) allows an attacker to bypass existing firewall rules and limitations used to restrict internal communcations. The Test Agents (TA) Appliance connects to the Control Center (CC) using OpenVPN. TA's are assigned an internal IP address in the 100.70.0.0/16 range. Firewall rules exists to limit communication from TA's to the CC to specific services only. OpenVPN is configured to not allow direct communication between Test Agents in the OpenVPN application itself, and routing is normally not enabled on the server running the CC application. The timescaledb feature is installed as an optional package on the Control Center. When the timescaledb container is started, this causes side-effects by bypassing the existing firewall rules and limitations for Test Agent communications. Note: This issue only affects customers hosting their own on-prem Control Center. The Paragon Active Assurance Software as a Service (SaaS) is not affected by this vulnerability since the timescaledb service is not enabled. This issue affects all on-prem versions of Juniper Networks Paragon Active Assurance prior to 4.1.2.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

通信信道对预期端点的不适当限制

Juniper Networks Paragon Active Assurance 安全漏洞

Juniper Networks Paragon Active Assurance是美国瞻博网络（Juniper Networks）公司的一种可编程的测试和服务保证解决方案。使用基于软件和流量生成的测试代理，可作为 SaaS 解决方案从云中轻松使用和交付，或在 NFV 环境中本地部署。 Juniper Networks Paragon Active Assurance 4.1.2之前版本存在安全漏洞，该漏洞源于网络接口数据包处理异常情况时检查或处理不当，攻击者利用该漏洞可以向设备发送特定数据包导致内核崩溃

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