Vulnerability Name:

CVE-2016-9253 (CCN-125851)

Assigned:2016-11-09
Published:2017-05-05
Updated:2017-07-08
Summary:In F5 BIG-IP 12.1.0 through 12.1.2, specific websocket traffic patterns may cause a disruption of service for virtual servers configured to use the websocket profile.
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
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 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:L/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): Low
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
5.0 Medium (CCN 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
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-9253

Source: SECTRACK
Type: UNKNOWN
1038415

Source: XF
Type: UNKNOWN
f5-bigip-cve20169253-dos(125851)

Source: CCN
Type: F5 Security Advisory K51351360
Websocket profile vulnerability CVE-2016-9253

Source: CONFIRM
Type: Vendor Advisory
https://support.f5.com/csp/article/K51351360

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_local_traffic_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_local_traffic_manager:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_local_traffic_manager:12.1.2:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:f5:big-ip_application_acceleration_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:12.1.2:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:f5:big-ip_advanced_firewall_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:12.1.2:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/a:f5:big-ip_analytics:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_analytics:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_analytics:12.1.2:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/a:f5:big-ip_access_policy_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:12.1.2:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/a:f5:big-ip_application_security_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_security_manager:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_security_manager:12.1.2:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/a:f5:big-ip_domain_name_system:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_domain_name_system:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_domain_name_system:12.1.2:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/a:f5:big-ip_link_controller:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_link_controller:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_link_controller:12.1.2:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/a:f5:big-ip_policy_enforcement_manager:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:12.1.2:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/a:f5:big-ip_websafe:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_websafe:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_websafe:12.1.2:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:f5:big-ip:12.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:12.1.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 big-ip local traffic manager 12.1.0
    f5 big-ip local traffic manager 12.1.1
    f5 big-ip local traffic manager 12.1.2
    f5 big-ip application acceleration manager 12.1.0
    f5 big-ip application acceleration manager 12.1.1
    f5 big-ip application acceleration manager 12.1.2
    f5 big-ip advanced firewall manager 12.1.0
    f5 big-ip advanced firewall manager 12.1.1
    f5 big-ip advanced firewall manager 12.1.2
    f5 big-ip analytics 12.1.0
    f5 big-ip analytics 12.1.1
    f5 big-ip analytics 12.1.2
    f5 big-ip access policy manager 12.1.0
    f5 big-ip access policy manager 12.1.1
    f5 big-ip access policy manager 12.1.2
    f5 big-ip application security manager 12.1.0
    f5 big-ip application security manager 12.1.1
    f5 big-ip application security manager 12.1.2
    f5 big-ip domain name system 12.1.0
    f5 big-ip domain name system 12.1.1
    f5 big-ip domain name system 12.1.2
    f5 big-ip link controller 12.1.0
    f5 big-ip link controller 12.1.1
    f5 big-ip link controller 12.1.2
    f5 big-ip policy enforcement manager 12.1.0
    f5 big-ip policy enforcement manager 12.1.1
    f5 big-ip policy enforcement manager 12.1.2
    f5 big-ip websafe 12.1.0
    f5 big-ip websafe 12.1.1
    f5 big-ip websafe 12.1.2
    f5 big-ip 12.0.0
    f5 big-ip 12.1.2