CVE-2016-6407 Denial of service in n/a
Remote attackers can cause denial of service on Cisco Web Security Appliances by sending simultaneous HTTP requests with overlapping byte ranges.
- 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-2016-6407?
CVE-2016-6407 is a high-severity denial of service vulnerability in Cisco Web Security Appliance, published on 17 Sep 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco AsyncOS through 9.5.0-444 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (link saturation) by making many HTTP requests for overlapping byte ranges simultaneously, aka Bug ID CSCuz27219.
Weakness: CWE-399
Which versions are affected by CVE-2016-6407?
It affects 1 product.
Products include Cisco Web Security Appliance.
How do I fix CVE-2016-6407?
No fix has been published for CVE-2016-6407 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-2016-6407 being exploited?
There is no known exploitation of CVE-2016-6407 in the wild and no public exploit code.
Other vulnerabilities in Cisco Web Security Appliance
Sources
Also known as GHSA-83cp-8php-jfpv.