CVE Published: 12/10/2023 |
CVE Updated: 18/09/2024 |
CVE Year: 2023 Source: juniper |
Vendor: Juniper Networks |
Product: Junos OS Status : PUBLISHED
CVE-2023-36843 Description
An Improper Handling of Inconsistent Special Elements vulnerability in the Junos Services Framework (jsf) module of Juniper Networks Junos OS allows an unauthenticated network based attacker to cause a crash in the Packet Forwarding Engine (pfe) and thereby resulting in a Denial of Service (DoS).
Upon receiving malformed SSL traffic, the PFE crashes. A manual restart will be needed to recover the device.
This issue only affects devices with Juniper Networks Advanced Threat Prevention (ATP) Cloud enabled with Encrypted Traffic Insights (configured via ‘security-metadata-streaming policy’).
This issue affects Juniper Networks Junos OS:
* All versions prior to 20.4R3-S8, 20.4R3-S9;
* 21.1 version 21.1R1 and later versions;
* 21.2 versions prior to 21.2R3-S6;
* 21.3 versions prior to 21.3R3-S5;
* 21.4 versions prior to 21.4R3-S5;
* 22.1 versions prior to 22.1R3-S4;
* 22.2 versions prior to 22.2R3-S2;
* 22.3 versions prior to 22.3R2-S2, 22.3R3;
* 22.4 versions prior to 22.4R2-S1, 22.4R3;
Metrics
CVSS Version: 3.1 |
Base Score: 7.5 HIGH Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H