Vulnerability Name:

CVE-2015-8240 (CCN-111700)

Assigned:2015-11-18
Published:2016-03-23
Updated:2016-04-18
Summary:The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and BIG-IP PEM before 11.4.1 HF10, 11.5.x before 11.5.4, and 11.6.x before 11.6.0 HF6 and BIG-IP PSM before 11.4.1 HF10 does not properly handle TCP options, which allows remote attackers to cause a denial of service via unspecified vectors, related to the tm.minpathmtu database variable.
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-19
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-8240

Source: CCN
Type: SECTRACK ID: 1035367
F5 BIG-IP TCP Options Processing Flaw Lets Remote Users Deny Service

Source: SECTRACK
Type: UNKNOWN
1035367

Source: XF
Type: UNKNOWN
f5-bigip-cve20158240-dos(111700)

Source: CCN
Type: F5 Security Advisory sol06223540
F5 TCP vulnerability CVE-2015-8240

Source: CONFIRM
Type: Vendor Advisory
https://support.f5.com/kb/en-us/solutions/public/k/06/sol06223540.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_access_policy_manager:11.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:11.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:11.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:11.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:11.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:11.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_analytics:11.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_analytics:11.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_analytics:11.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:11.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:11.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:11.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_security_manager:11.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_security_manager:11.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_security_manager:11.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_global_traffic_manager:11.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_global_traffic_manager:11.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_global_traffic_manager:11.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_link_controller:11.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_link_controller:11.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_link_controller:11.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_local_traffic_manager:11.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_local_traffic_manager:11.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_local_traffic_manager:11.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:11.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:11.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:11.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_protocol_security_module:11.4.1:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:f5:big-ip:11.2.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 big-ip access policy manager 11.4.1
    f5 big-ip access policy manager 11.5.3
    f5 big-ip access policy manager 11.6.0
    f5 big-ip advanced firewall manager 11.4.1
    f5 big-ip advanced firewall manager 11.5.3
    f5 big-ip advanced firewall manager 11.6.0
    f5 big-ip analytics 11.4.1
    f5 big-ip analytics 11.5.3
    f5 big-ip analytics 11.6.0
    f5 big-ip application acceleration manager 11.4.1
    f5 big-ip application acceleration manager 11.5.3
    f5 big-ip application acceleration manager 11.6.0
    f5 big-ip application security manager 11.4.1
    f5 big-ip application security manager 11.5.3
    f5 big-ip application security manager 11.6.0
    f5 big-ip global traffic manager 11.4.1
    f5 big-ip global traffic manager 11.5.3
    f5 big-ip global traffic manager 11.6.0
    f5 big-ip link controller 11.4.1
    f5 big-ip link controller 11.5.3
    f5 big-ip link controller 11.6.0
    f5 big-ip local traffic manager 11.4.1
    f5 big-ip local traffic manager 11.5.3
    f5 big-ip local traffic manager 11.6.0
    f5 big-ip policy enforcement manager 11.4.1
    f5 big-ip policy enforcement manager 11.5.3
    f5 big-ip policy enforcement manager 11.6.0
    f5 big-ip protocol security module 11.4.1
    f5 big-ip 11.2.1