Vulnerability Name:

CVE-2018-5512 (CCN-142671)

Assigned:2018-05-01
Published:2018-05-01
Updated:2019-10-03
Summary:On F5 BIG-IP 13.1.0-13.1.0.5, when Large Receive Offload (LRO) and SYN cookies are enabled (default settings), undisclosed traffic patterns may cause TMM to restart.
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: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
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-2018-5512

Source: CCN
Type: SECTRACK ID: 1040801
F5 BIG-IP LRO and SYN Cookie Processing Flaw Lets Remote Users Cause the Target TMM Component to Restart

Source: BID
Type: Third Party Advisory, VDB Entry
104095

Source: CCN
Type: BID-104095
F5 BIG-IP CVE-2018-5512 Remote Denial of Service Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040801

Source: XF
Type: UNKNOWN
f5-cve20185512-dos(142671)

Source: CCN
Type: F5 Security Advisory K51754851
BIG-IP system vulnerability CVE-2018-5512

Source: CONFIRM
Type: Vendor Advisory
https://support.f5.com/csp/article/K51754851

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 2:
  • cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 3:
  • cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 4:
  • cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 5:
  • cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 6:
  • cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 7:
  • cpe:/a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 8:
  • cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 9:
  • cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 10:
  • cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 11:
  • cpe:/a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 12:
  • cpe:/a:f5:big-ip_websafe:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration 13:
  • cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 13.1.0 and <= 13.1.0.5)

    • Configuration CCN 1:
  • cpe:/a:f5:big-ip:13.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:13.1.0.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 big-ip local traffic manager *
    f5 big-ip application acceleration manager *
    f5 big-ip advanced firewall manager *
    f5 big-ip analytics *
    f5 big-ip access policy manager *
    f5 big-ip application security manager *
    f5 big-ip edge gateway *
    f5 big-ip global traffic manager *
    f5 big-ip link controller *
    f5 big-ip policy enforcement manager *
    f5 big-ip webaccelerator *
    f5 big-ip websafe *
    f5 big-ip domain name system *
    f5 big-ip 13.1.0
    f5 big-ip 13.1.0.5