Vulnerability Name:

CVE-2016-9249 (CCN-121435)

Assigned:2016-11-09
Published:2017-01-26
Updated:2017-07-25
Summary:An undisclosed traffic pattern received by a BIG-IP Virtual Server with TCP Fast Open enabled may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).
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
7.5 High (CCN 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 (CCN 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
CVSS v2 Severity:7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-9249

Source: CCN
Type: SECTRACK ID: 1037715
F5 BIG-IP TCP Fast Open Flaw Lets Remote Users Cause the Target System to Restart

Source: BID
Type: Third Party Advisory, VDB Entry
95825

Source: CCN
Type: BID-95825
Multiple F5 BIG-IP Products CVE-2016-9249 Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1037715

Source: XF
Type: UNKNOWN
f5-bigip-cve20169249-dos(121435)

Source: CCN
Type: F5 Security Advisory K71282001
TMM vulnerability CVE-2016-9249

Source: CONFIRM
Type: Vendor Advisory
https://support.f5.com/csp/article/K71282001

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_local_traffic_manager:12.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_local_traffic_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_local_traffic_manager:12.1.1:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:f5:big-ip_application_acceleration_manager:12.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:12.1.1:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:f5:big-ip_advanced_firewall_manager:12.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:12.1.1:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/a:f5:big-ip_analytics:12.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_analytics:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_analytics:12.1.1:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/a:f5:big-ip_access_policy_manager:12.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:12.1.1:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/a:f5:big-ip_application_security_manager:12.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_security_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_security_manager:12.1.1:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/a:f5:big-ip_domain_name_system:12.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_domain_name_system:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_domain_name_system:12.1.1:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/a:f5:big-ip_link_controller:12.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_link_controller:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_link_controller:12.1.1:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/a:f5:big-ip_policy_enforcement_manager:12.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:12.1.1:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/a:f5:big-ip_websafe:12.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_websafe:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_websafe:12.1.1:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:f5:big-ip_local_traffic_manager:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_analytics:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_dns:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_link_controller:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_websafe:12.1.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 big-ip local traffic manager 12.0.0
    f5 big-ip local traffic manager 12.1.0
    f5 big-ip local traffic manager 12.1.1
    f5 big-ip application acceleration manager 12.0.0
    f5 big-ip application acceleration manager 12.1.0
    f5 big-ip application acceleration manager 12.1.1
    f5 big-ip advanced firewall manager 12.0.0
    f5 big-ip advanced firewall manager 12.1.0
    f5 big-ip advanced firewall manager 12.1.1
    f5 big-ip analytics 12.0.0
    f5 big-ip analytics 12.1.0
    f5 big-ip analytics 12.1.1
    f5 big-ip access policy manager 12.0.0
    f5 big-ip access policy manager 12.1.0
    f5 big-ip access policy manager 12.1.1
    f5 big-ip application security manager 12.0.0
    f5 big-ip application security manager 12.1.0
    f5 big-ip application security manager 12.1.1
    f5 big-ip domain name system 12.0.0
    f5 big-ip domain name system 12.1.0
    f5 big-ip domain name system 12.1.1
    f5 big-ip link controller 12.0.0
    f5 big-ip link controller 12.1.0
    f5 big-ip link controller 12.1.1
    f5 big-ip policy enforcement manager 12.0.0
    f5 big-ip policy enforcement manager 12.1.0
    f5 big-ip policy enforcement manager 12.1.1
    f5 big-ip websafe 12.0.0
    f5 big-ip websafe 12.1.0
    f5 big-ip websafe 12.1.1
    f5 big-ip local traffic manager 12.1.1
    f5 big-ip analytics 12.1.1
    f5 big-ip access policy manager 12.1.1
    f5 big-ip dns 12.1.1
    f5 big-ip link controller 12.1.1
    f5 big-ip websafe 12.1.1