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CVE-2023-36843
CVE ID
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CVE-2023-36843
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
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;
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CVSS V3 Severity and Metrics
General Information
Vendors
- juniper
Products
- junos,
- junos 20.4,
- junos 21.1,
- junos 21.2,
- junos 21.3,
- junos 21.4,
- junos 22.1,
- junos 22.2,
- junos 22.3,
- junos 22.4
References
Miscellaneous
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
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