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CVE-2019-6643

HIGHCVSS 7.5/10EPSS 1.35%

Last modified

CVE-2019-6643 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. On versions 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.2, 12.1.0-12.1.4.1, and 11.5.2-11.6.4, an attacker sending specifically crafted DHCPv6 requests through a BIG-IP virtual server configured with a DHCPv6 profile may be able to cause the TMM process to produce a core file.. EPSS estimates a 1.35% chance of exploitation in the next 30 days.

Description

On versions 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.2, 12.1.0-12.1.4.1, and 11.5.2-11.6.4, an attacker sending specifically crafted DHCPv6 requests through a BIG-IP virtual server configured with a DHCPv6 profile may be able to cause the TMM process to produce a core file.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
1.35%

67.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
F5Big-Ip Local Traffic Manager>= 11.5.2, <= 11.6.4
F5Big-Ip Local Traffic Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Local Traffic Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Local Traffic Manager14.0.0
F5Big-Ip Local Traffic Manager14.1.0
F5Big-Ip Advanced Firewall Manager>= 11.5.2, <= 11.6.4
F5Big-Ip Advanced Firewall Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Advanced Firewall Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Advanced Firewall Manager14.0.0
F5Big-Ip Advanced Firewall Manager14.1.0
F5Big-Ip Application Acceleration Manager>= 11.5.2, <= 11.6.4
F5Big-Ip Application Acceleration Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Application Acceleration Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Application Acceleration Manager14.0.0
F5Big-Ip Application Acceleration Manager14.1.0
F5Big-Ip Analytics>= 11.5.2, <= 11.6.4
F5Big-Ip Analytics>= 12.1.0, <= 12.1.4
F5Big-Ip Analytics>= 13.0.0, <= 13.1.1
F5Big-Ip Analytics14.0.0
F5Big-Ip Analytics14.1.0
F5Big-Ip Access Policy Manager>= 11.5.2, <= 11.6.4
F5Big-Ip Access Policy Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Access Policy Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Access Policy Manager14.0.0
F5Big-Ip Access Policy Manager14.1.0
F5Big-Ip Application Security Manager>= 11.5.2, <= 11.6.4
F5Big-Ip Application Security Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Application Security Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Application Security Manager14.0.0
F5Big-Ip Application Security Manager14.1.0
F5Big-Ip Edge Gateway>= 11.5.2, <= 11.6.4
F5Big-Ip Edge Gateway>= 12.1.0, <= 12.1.4
F5Big-Ip Edge Gateway>= 13.0.0, <= 13.1.1
F5Big-Ip Edge Gateway14.0.0
F5Big-Ip Edge Gateway14.1.0
F5Big-Ip Fraud Protection Service>= 11.5.2, <= 11.6.4
F5Big-Ip Fraud Protection Service>= 12.1.0, <= 12.1.4
F5Big-Ip Fraud Protection Service>= 13.0.0, <= 13.1.1
F5Big-Ip Fraud Protection Service14.0.0
F5Big-Ip Fraud Protection Service14.1.0
F5Big-Ip Global Traffic Manager>= 11.5.2, <= 11.6.4
F5Big-Ip Global Traffic Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Global Traffic Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Global Traffic Manager14.0.0
F5Big-Ip Global Traffic Manager14.1.0
F5Big-Ip Link Controller>= 11.5.2, <= 11.6.4
F5Big-Ip Link Controller>= 12.1.0, <= 12.1.4
F5Big-Ip Link Controller>= 13.0.0, <= 13.1.1
F5Big-Ip Link Controller14.0.0
F5Big-Ip Link Controller14.1.0

Showing 50 of 65 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-6643?
On versions 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.2, 12.1.0-12.1.4.1, and 11.5.2-11.6.4, an attacker sending specifically crafted DHCPv6 requests through a BIG-IP virtual server configured with a DHCPv6 profile may be able to cause the TMM process to produce a core file.
How severe is CVE-2019-6643?
CVE-2019-6643 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6643?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-6643?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST