F5 BIG-IP up to 14.1.0.5 Virtual Server FTP Traffic input validation

Summaryinfo

A vulnerability was found in F5 BIG-IP up to 11.6.4/12.1.4.1/13.1.2/14.0.0.4/14.1.0.5 and classified as problematic. This affects an unknown part of the component Virtual Server. The manipulation as part of FTP Traffic results in input validation. This vulnerability is cataloged as CVE-2019-6645. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in F5 BIG-IP up to 11.6.4/12.1.4.1/13.1.2/14.0.0.4/14.1.0.5 (Firewall Software). Affected is an unknown code of the component Virtual Server. The manipulation as part of a FTP Traffic leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

On BIG-IP 14.0.0-14.1.0.5, 13.0.0-13.1.2, 12.1.0-12.1.4.1, 11.5.2-11.6.4, FTP traffic passing through a Virtual Server with both an active FTP profile associated and connection mirroring configured may lead to a TMM crash causing the configured HA action to be taken.

The weakness was shared 09/04/2019. This vulnerability is traded as CVE-2019-6645 since 01/22/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/13/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-141266, VDB-141263 and VDB-141262 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Firewall Software

Vendor

• F5

Name

• BIG-IP

Version

• 11.6.0
• 11.6.1
• 11.6.2
• 11.6.3
• 11.6.4
• 12.1.4.0
• 12.1.4.1
• 13.1.0
• 13.1.1
• 13.1.2
• 14.0.0.0
• 14.0.0.1
• 14.0.0.2
• 14.0.0.3
• 14.0.0.4
• 14.1.0.0
• 14.1.0.1
• 14.1.0.2
• 14.1.0.3
• 14.1.0.4
• 14.1.0.5

License

• commercial

Website

• Vendor: https://f5.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion