Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2018-15311

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
10/10/2018
Last modified:
03/10/2019

Description

When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is processing specially crafted TCP traffic with the Large Receive Offload (LRO) feature enabled, TMM may crash, leading to a failover event. This vulnerability is not exposed unless LRO is enabled, so most affected customers will be on 13.1.x. LRO has been available since 11.4.0 but is not enabled by default until 13.1.0.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.90
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* 11.5.1 (including) 11.5.6 (including)
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* 11.6.0.0 (including) 11.6.3.2 (including)
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* 12.1.0.0 (including) 12.1.3.5 (including)
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* 13.0.0.0 (including) 13.1.0.5 (including)
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* 11.5.1 (including) 11.5.6 (including)
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* 11.6.0.0 (including) 11.6.3.2 (including)
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* 12.1.0.0 (including) 12.1.3.5 (including)
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* 13.0.0.0 (including) 13.1.0.5 (including)
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* 11.5.1 (including) 11.5.6 (including)
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* 11.6.0.0 (including) 11.6.3.2 (including)
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* 12.1.0.0 (including) 12.1.3.5 (including)
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* 13.0.0.0 (including) 13.1.0.5 (including)
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* 11.5.1 (including) 11.5.6 (including)
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* 11.6.0.0 (including) 11.6.3.2 (including)
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* 12.1.0.0 (including) 12.1.3.5 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools