National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-5541 Detail

Current Description

When F5 BIG-IP ASM 13.0.0-13.1.0.1, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, or 11.5.1-11.5.6 is processing HTTP requests, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3.0 legend)
Impact Score: 3.6
Exploitability Score: 3.9

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

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/104906 Third Party Advisory VDB Entry
https://support.f5.com/csp/article/K12403422 Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Uncontrolled Resource Consumption (CWE-400)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
11.5.1		Up to (including)
11.5.5
 cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
11.6.1		Up to (including)
11.6.3
 cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
12.1.0		Up to (including)
12.1.3
 cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0		Up to (including)
13.1.0


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-5541
NVD Published Date:
07/25/2018
NVD Last Modified:
09/17/2018