CVE-2017-6140 Denial of service in BIG-IP LTM, AAM, AFM, Analytics, ASM, DNS, GTM, PEM
An attacker can cause disruption of data plane services on F5 BIG-IP devices by sending a specific sequence of packets to Virtual Servers with SSL profiles.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-6140?
CVE-2017-6140 is a high-severity denial of service vulnerability in F5 Big-Ip Advanced Firewall Manager, published on 21 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On the BIG-IP 2000s, 2200s, 4000s, 4200v, i5600, i5800, i7600, i7800, i10600,i10800, and VIPRION 4450 blades, running version 11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.6.0, 11.6.1, 12.0.0, 12.1.0, 12.1.1 or 12.1.2 of BIG-IP LTM, AAM, AFM, Analytics, ASM, DNS, GTM or PEM, an undisclosed sequence of packets sent to Virtual Servers with client or server SSL profiles may cause disruption of data plane services.
Weakness: CWE-20
Which versions are affected by CVE-2017-6140?
It affects 8 products.
Products include F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Dns, F5 Big-Ip Global Traffic Manager and 2 more.
How do I fix CVE-2017-6140?
No fix has been published for CVE-2017-6140 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-6140 being exploited?
There is no known exploitation of CVE-2017-6140 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Advanced Firewall Manager
Sources
Also known as GHSA-cv5w-vcr3-hm3r.