Vulnerability Monitor

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CVE-2020-5929

In versions 13.0.0-13.0.0 HF2, 12.1.0-12.1.2 HF1, and 11.6.1-11.6.2, BIG-IP platforms with Cavium Nitrox SSL hardware acceleration cards, a Virtual Server configured with a Client SSL profile, and using Anonymous (ADH) or Ephemeral (DHE) Diffie-Hellman key exchange and Single DH use option not enabled in the options list may be vulnerable to crafted SSL/TLS Handshakes that may result with a PMS (Pre-Master Secret) that starts in a 0 byte and may lead to a recovery of plaintext messages as BIG-IP TLS/SSL ADH/DHE sends different error messages acting as an oracle. Similar error messages when PMS starts with 0 byte coupled with very precise timing measurement observation may also expose this vulnerability.

Published

2020-09-25T14:15:13.970

Last Modified

2024-11-21T05:34:50.820

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:H/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

4.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-203
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application f5 big-ip_access_policy_manager < 11.6.2 Yes
Application f5 big-ip_access_policy_manager < 12.1.2 Yes
Application f5 big-ip_access_policy_manager 11.6.2 Yes
Application f5 big-ip_access_policy_manager 12.1.2 Yes
Application f5 big-ip_access_policy_manager 12.1.2 Yes
Application f5 big-ip_access_policy_manager 13.0.0 Yes
Application f5 big-ip_access_policy_manager 13.0.0 Yes
Application f5 big-ip_access_policy_manager 13.0.0 Yes
Application f5 big-ip_advanced_firewall_manager < 11.6.2 Yes
Application f5 big-ip_advanced_firewall_manager < 12.1.2 Yes
Application f5 big-ip_advanced_firewall_manager 11.6.2 Yes
Application f5 big-ip_advanced_firewall_manager 12.1.2 Yes
Application f5 big-ip_advanced_firewall_manager 12.1.2 Yes
Application f5 big-ip_advanced_firewall_manager 13.0.0 Yes
Application f5 big-ip_advanced_firewall_manager 13.0.0 Yes
Application f5 big-ip_advanced_firewall_manager 13.0.0 Yes
Application f5 big-ip_advanced_web_application_firewall < 11.6.2 Yes
Application f5 big-ip_advanced_web_application_firewall < 12.1.2 Yes
Application f5 big-ip_advanced_web_application_firewall 11.6.2 Yes
Application f5 big-ip_advanced_web_application_firewall 12.1.2 Yes
Application f5 big-ip_advanced_web_application_firewall 12.1.2 Yes
Application f5 big-ip_advanced_web_application_firewall 13.0.0 Yes
Application f5 big-ip_advanced_web_application_firewall 13.0.0 Yes
Application f5 big-ip_advanced_web_application_firewall 13.0.0 Yes
Application f5 big-ip_analytics < 11.6.2 Yes
Application f5 big-ip_analytics < 12.1.2 Yes
Application f5 big-ip_analytics 11.6.2 Yes
Application f5 big-ip_analytics 12.1.2 Yes
Application f5 big-ip_analytics 12.1.2 Yes
Application f5 big-ip_analytics 13.0.0 Yes
Application f5 big-ip_analytics 13.0.0 Yes
Application f5 big-ip_analytics 13.0.0 Yes
Application f5 big-ip_application_acceleration_manager < 11.6.2 Yes
Application f5 big-ip_application_acceleration_manager < 12.1.2 Yes
Application f5 big-ip_application_acceleration_manager 11.6.2 Yes
Application f5 big-ip_application_acceleration_manager 12.1.2 Yes
Application f5 big-ip_application_acceleration_manager 12.1.2 Yes
Application f5 big-ip_application_acceleration_manager 13.0.0 Yes
Application f5 big-ip_application_acceleration_manager 13.0.0 Yes
Application f5 big-ip_application_acceleration_manager 13.0.0 Yes
Application f5 big-ip_application_security_manager < 11.6.2 Yes
Application f5 big-ip_application_security_manager < 12.1.2 Yes
Application f5 big-ip_application_security_manager 11.6.2 Yes
Application f5 big-ip_application_security_manager 12.1.2 Yes
Application f5 big-ip_application_security_manager 12.1.2 Yes
Application f5 big-ip_application_security_manager 13.0.0 Yes
Application f5 big-ip_application_security_manager 13.0.0 Yes
Application f5 big-ip_application_security_manager 13.0.0 Yes
Application f5 big-ip_ddos_hybrid_defender < 11.6.2 Yes
Application f5 big-ip_ddos_hybrid_defender < 12.1.2 Yes
Application f5 big-ip_ddos_hybrid_defender 11.6.2 Yes
Application f5 big-ip_ddos_hybrid_defender 12.1.2 Yes
Application f5 big-ip_ddos_hybrid_defender 12.1.2 Yes
Application f5 big-ip_ddos_hybrid_defender 13.0.0 Yes
Application f5 big-ip_ddos_hybrid_defender 13.0.0 Yes
Application f5 big-ip_ddos_hybrid_defender 13.0.0 Yes
Application f5 big-ip_domain_name_system < 11.6.2 Yes
Application f5 big-ip_domain_name_system < 12.1.2 Yes
Application f5 big-ip_domain_name_system 11.6.2 Yes
Application f5 big-ip_domain_name_system 12.1.2 Yes
Application f5 big-ip_domain_name_system 12.1.2 Yes
Application f5 big-ip_domain_name_system 13.0.0 Yes
Application f5 big-ip_domain_name_system 13.0.0 Yes
Application f5 big-ip_domain_name_system 13.0.0 Yes
Application f5 big-ip_fraud_protection_service < 11.6.2 Yes
Application f5 big-ip_fraud_protection_service < 12.1.2 Yes
Application f5 big-ip_fraud_protection_service 11.6.2 Yes
Application f5 big-ip_fraud_protection_service 12.1.2 Yes
Application f5 big-ip_fraud_protection_service 12.1.2 Yes
Application f5 big-ip_fraud_protection_service 13.0.0 Yes
Application f5 big-ip_fraud_protection_service 13.0.0 Yes
Application f5 big-ip_fraud_protection_service 13.0.0 Yes
Application f5 big-ip_global_traffic_manager < 11.6.2 Yes
Application f5 big-ip_global_traffic_manager < 12.1.2 Yes
Application f5 big-ip_global_traffic_manager 11.6.2 Yes
Application f5 big-ip_global_traffic_manager 12.1.2 Yes
Application f5 big-ip_global_traffic_manager 12.1.2 Yes
Application f5 big-ip_global_traffic_manager 13.0.0 Yes
Application f5 big-ip_global_traffic_manager 13.0.0 Yes
Application f5 big-ip_global_traffic_manager 13.0.0 Yes
Application f5 big-ip_link_controller < 11.6.2 Yes
Application f5 big-ip_link_controller < 12.1.2 Yes
Application f5 big-ip_link_controller 11.6.2 Yes
Application f5 big-ip_link_controller 12.1.2 Yes
Application f5 big-ip_link_controller 12.1.2 Yes
Application f5 big-ip_link_controller 13.0.0 Yes
Application f5 big-ip_link_controller 13.0.0 Yes
Application f5 big-ip_link_controller 13.0.0 Yes
Application f5 big-ip_local_traffic_manager < 11.6.2 Yes
Application f5 big-ip_local_traffic_manager < 12.1.2 Yes
Application f5 big-ip_local_traffic_manager 11.6.2 Yes
Application f5 big-ip_local_traffic_manager 12.1.2 Yes
Application f5 big-ip_local_traffic_manager 12.1.2 Yes
Application f5 big-ip_local_traffic_manager 13.0.0 Yes
Application f5 big-ip_local_traffic_manager 13.0.0 Yes
Application f5 big-ip_local_traffic_manager 13.0.0 Yes
Application f5 big-ip_policy_enforcement_manager < 11.6.2 Yes
Application f5 big-ip_policy_enforcement_manager < 12.1.2 Yes
Application f5 big-ip_policy_enforcement_manager 11.6.2 Yes
Application f5 big-ip_policy_enforcement_manager 12.1.2 Yes
Application f5 big-ip_policy_enforcement_manager 12.1.2 Yes
Application f5 big-ip_policy_enforcement_manager 13.0.0 Yes
Application f5 big-ip_policy_enforcement_manager 13.0.0 Yes
Application f5 big-ip_policy_enforcement_manager 13.0.0 Yes
Application f5 ssl_orchestrator < 11.6.2 Yes
Application f5 ssl_orchestrator < 12.1.2 Yes
Application f5 ssl_orchestrator 11.6.2 Yes
Application f5 ssl_orchestrator 12.1.2 Yes
Application f5 ssl_orchestrator 12.1.2 Yes
Application f5 ssl_orchestrator 13.0.0 Yes
Application f5 ssl_orchestrator 13.0.0 Yes
Application f5 ssl_orchestrator 13.0.0 Yes
References