Vulnerability CVE-2018-5537

Vulnerability Name:

CVE-2018-5537 (CCN-147421)

Assigned:

2018-07-25

Published:

2018-07-25

Updated:

2018-09-19

Summary:

A remote attacker may be able to disrupt services on F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, or 11.2.1-11.5.6 if the TMM virtual server is configured with a HTML or a Rewrite profile. TMM may restart while processing some specially prepared HTML content from the back end.

CVSS v3 Severity:

5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/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): Required
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:

2.6 Low (CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): High 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-2018-5537

Source: XF
Type: UNKNOWN
f5-cve20185537-dos(147421)

Source: CCN
Type: F5 Security Advisory K94105051
TMM vulnerability CVE-2018-5537

Source: CONFIRM
Type: Vendor Advisory
https://support.f5.com/csp/article/K94105051

Vulnerable Configuration:

Configuration 1:

cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 11.2.1 and <= 11.5.6)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 11.6.0 and <= 11.6.3.1)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.3.5)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.0.5)

Configuration 2:

cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 11.2.1 and <= 11.5.6)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 11.6.0 and <= 11.6.3.1)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.3.5)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.0.5)

Configuration 3:

cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 11.2.1 and <= 11.5.6)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 11.6.0 and <= 11.6.3.1)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.2)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.0.5)

Configuration 4:

cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 11.2.1 and <= 11.5.6)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 11.6.0 and <= 11.6.3.1)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.3.5)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.0.5)

Configuration 5:

cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 10.1.0 and <= 11.5.6)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 11.6.0 and <= 11.6.3.1)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.3.5)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.0.5)

Configuration 6:

cpe:/a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* (Version >= 11.2.1 and <= 11.5.6)

OR cpe:/a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* (Version >= 11.6.0 and <= 11.6.3.1)

OR cpe:/a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.3.5)

OR cpe:/a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.0.5)

Configuration 7:

cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 11.2.1 and <= 11.5.6)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 11.6.0 and <= 11.6.3.1)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.3.5)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.0.5)

Configuration 8:

cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 11.2.1 and <= 11.5.6)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 11.6.0 and <= 11.6.3.1)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.3.5)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.0.5)

Configuration 9:

cpe:/a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* (Version >= 11.2.1 and <= 11.5.6)

OR cpe:/a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* (Version >= 11.6.0 and <= 11.6.3.1)

OR cpe:/a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.3.5)

OR cpe:/a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.0.5)

Configuration 10:

cpe:/a:f5:big-ip_websafe:*:*:*:*:*:*:*:* (Version >= 11.2.1 and <= 11.5.6)

OR cpe:/a:f5:big-ip_websafe:*:*:*:*:*:*:*:* (Version >= 11.6.1 and <= 11.6.3.1)

OR cpe:/a:f5:big-ip_websafe:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.3.5)

OR cpe:/a:f5:big-ip_websafe:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.0.5)

Configuration CCN 1:

cpe:/a:f5:big-ip:11.6.0:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip:11.2.1:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip:12.1.0:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip:13.0.0:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip:13.1.0.5:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip:11.6.3.1:*:*:*:*:*:*:*

Denotes that component is vulnerable

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