Vulnerability Name:

CVE-2020-5852 (CCN-174458)

Assigned:2020-01-13
Published:2020-01-13
Updated:2020-02-05
Summary:Undisclosed traffic patterns received may cause a disruption of service to the Traffic Management Microkernel (TMM). This vulnerability affects TMM through a virtual server configured with a FastL4 profile. Traffic processing is disrupted while TMM restarts. This issue only impacts specific engineering hotfixes.
Note: This vulnerability does not affect any of the BIG-IP major, minor or maintenance releases you obtained from downloads.f5.com. The affected Engineering Hotfix builds are as follows: Hotfix-BIGIP-14.1.2.1.0.83.4-ENG Hotfix-BIGIP-12.1.4.1.0.97.6-ENG Hotfix-BIGIP-11.5.4.2.74.291-HF2
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.4 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-5852

Source: XF
Type: UNKNOWN
f5-cve20205852-dos(174458)

Source: CCN
Type: F5 Security Advisory K53590702
BIG-IP engineering hotfix TMM vulnerability CVE-2020-5852

Source: CONFIRM
Type: Vendor Advisory
https://support.f5.com/csp/article/K53590702

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_local_traffic_manager:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_local_traffic_manager:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_local_traffic_manager:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:f5:big-ip_advanced_firewall_manager:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:f5:big-ip_application_acceleration_manager:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/a:f5:big-ip_analytics:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_analytics:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_analytics:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/a:f5:big-ip_access_policy_manager:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/a:f5:big-ip_application_security_manager:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_security_manager:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_security_manager:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/a:f5:big-ip_edge_gateway:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_edge_gateway:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_edge_gateway:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/a:f5:big-ip_fraud_protection_service:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_fraud_protection_service:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_fraud_protection_service:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/a:f5:big-ip_global_traffic_manager:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_global_traffic_manager:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_global_traffic_manager:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/a:f5:big-ip_link_controller:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_link_controller:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_link_controller:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/a:f5:big-ip_policy_enforcement_manager:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/a:f5:big-ip_webaccelerator:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_webaccelerator:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_webaccelerator:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/a:f5:big-ip_domain_name_system:11.5.4.2.74.291:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_domain_name_system:12.1.4.1.0.97.6:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_domain_name_system:14.1.2.1.0.83.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 big-ip local traffic manager 11.5.4.2.74.291
    f5 big-ip local traffic manager 12.1.4.1.0.97.6
    f5 big-ip local traffic manager 14.1.2.1.0.83.4
    f5 big-ip advanced firewall manager 11.5.4.2.74.291
    f5 big-ip advanced firewall manager 12.1.4.1.0.97.6
    f5 big-ip advanced firewall manager 14.1.2.1.0.83.4
    f5 big-ip application acceleration manager 11.5.4.2.74.291
    f5 big-ip application acceleration manager 12.1.4.1.0.97.6
    f5 big-ip application acceleration manager 14.1.2.1.0.83.4
    f5 big-ip analytics 11.5.4.2.74.291
    f5 big-ip analytics 12.1.4.1.0.97.6
    f5 big-ip analytics 14.1.2.1.0.83.4
    f5 big-ip access policy manager 11.5.4.2.74.291
    f5 big-ip access policy manager 12.1.4.1.0.97.6
    f5 big-ip access policy manager 14.1.2.1.0.83.4
    f5 big-ip application security manager 11.5.4.2.74.291
    f5 big-ip application security manager 12.1.4.1.0.97.6
    f5 big-ip application security manager 14.1.2.1.0.83.4
    f5 big-ip edge gateway 11.5.4.2.74.291
    f5 big-ip edge gateway 12.1.4.1.0.97.6
    f5 big-ip edge gateway 14.1.2.1.0.83.4
    f5 big-ip fraud protection service 11.5.4.2.74.291
    f5 big-ip fraud protection service 12.1.4.1.0.97.6
    f5 big-ip fraud protection service 14.1.2.1.0.83.4
    f5 big-ip global traffic manager 11.5.4.2.74.291
    f5 big-ip global traffic manager 12.1.4.1.0.97.6
    f5 big-ip global traffic manager 14.1.2.1.0.83.4
    f5 big-ip link controller 11.5.4.2.74.291
    f5 big-ip link controller 12.1.4.1.0.97.6
    f5 big-ip link controller 14.1.2.1.0.83.4
    f5 big-ip policy enforcement manager 11.5.4.2.74.291
    f5 big-ip policy enforcement manager 12.1.4.1.0.97.6
    f5 big-ip policy enforcement manager 14.1.2.1.0.83.4
    f5 big-ip webaccelerator 11.5.4.2.74.291
    f5 big-ip webaccelerator 12.1.4.1.0.97.6
    f5 big-ip webaccelerator 14.1.2.1.0.83.4
    f5 big-ip domain name system 11.5.4.2.74.291
    f5 big-ip domain name system 12.1.4.1.0.97.6
    f5 big-ip domain name system 14.1.2.1.0.83.4