F5 BIG-IP 11.5.4/11.5.5 Traffic Management Microkernel Packet input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability has been found in F5 BIG-IP 11.5.4/11.5.5 (Firewall Software) and classified as problematic. Affected by this vulnerability is an unknown part of the component Traffic Management Microkernel. The manipulation as part of a Packet leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

On F5 BIG-IP 11.5.4 HF4-11.5.5, the Traffic Management Microkernel (TMM) may restart when processing a specific sequence of packets on IPv6 virtual servers.

The bug was discovered 04/13/2018. The weakness was presented 04/13/2018 (Website). It is possible to read the advisory at support.f5.com. This vulnerability is known as CVE-2018-5510 since 01/12/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 118698 (F5 Networks BIG-IP : BIG-IP TMM vulnerability (K77671456)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370897 (F5 BIG-IP ASM TMM Packet Processing Denial of Service Vulnerability (K77671456)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (118698). See VDB-116204, VDB-116201 and VDB-116200 for similar entries.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118698
Nessus Name: F5 Networks BIG-IP : BIG-IP TMM vulnerability (K77671456)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/12/2018 🔍
04/12/2018 +90 days 🔍
04/13/2018 +0 days 🔍
04/13/2018 +0 days 🔍
04/13/2018 +0 days 🔍
04/16/2018 +3 days 🔍
11/02/2018 +200 days 🔍
02/28/2023 +1579 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K77671456
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5510 (🔍)
See also: 🔍

Entryinfo

Created: 04/16/2018 09:38 AM
Updated: 02/28/2023 08:50 AM
Changes: 04/16/2018 09:38 AM (63), 01/25/2020 08:30 AM (8), 02/28/2023 08:50 AM (4)
Complete: 🔍
Cache ID: 18:A3C:40

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