{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-28971", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "dateUpdated": "2025-02-06T14:36:20.939Z", "dateReserved": "2023-03-29T00:00:00.000Z", "datePublished": "2023-04-17T00:00:00.000Z"}, "containers": {"cna": {"title": "Paragon Active Assurance: Enabling the timescaledb enables IP forwarding", "datePublic": "2023-04-12T00:00:00.000Z", "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2023-04-17T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"vendor": "Juniper Networks", "product": "Paragon Active Assurance", "versions": [{"version": "unspecified", "lessThan": "4.1.2", "status": "affected", "versionType": "custom"}]}], "references": [{"url": "https://supportportal.juniper.net/JSA70595"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-923 Improper Restriction of Communication Channel to Intended Endpoints", "cweId": "CWE-923"}]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "source": {"advisory": "JSA70595", "defect": ["PAALS-1134"], "discovery": "USER"}, "workarounds": [{"lang": "en", "value": "If the timescaledb feature is not used - disable the service and disable IP forwarding.\n root@ncc:~# systemctl stop netrounds-timescaledb\n root@ncc:~# systemctl disable netrounds-timescaledb\n root@ncc:~# echo 0 > /proc/sys/net/ipv4/ip_forward\n\nIn case timescaledb feature is used - drop forwarded packets by changing default forward policy to drop packets:\n\nStop running services, to clear dynamic rules\n ncc services stop openvpn metrics timescaledb\n\nSet default DROP policy for forwarding\n iptables -P FORWARD DROP\n ip6tables -P FORWARD DROP\n\nInstall iptables-persistent and save rules\n apt-get install iptables-persistent\n iptables-save > /etc/iptables/rules.v4\n ip6tables-save > /etc/iptables/rules.v6\n\nRestart services\n ncc services start openvpn metrics timescaledb\n \n\n"}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 4.1.2, 4.2.0, and all subsequent releases."}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T13:51:38.922Z"}, "title": "CVE Program Container", "references": [{"url": "https://supportportal.juniper.net/JSA70595", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-02-06T14:36:07.323131Z", "id": "CVE-2023-28971", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-06T14:36:20.939Z"}}]}}

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