CVE-2014-3814 Denial of service in n/a
Remote attackers can crash and reboot Juniper NetScreen Firewalls by sending malformed packets if the internal DNS lookup client is enabled.
- 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-2014-3814?
CVE-2014-3814 is a high-severity denial of service vulnerability in n/a, published on 13 Jun 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Juniper Networks NetScreen Firewall devices with ScreenOS before 6.3r17, when configured to use the internal DNS lookup client, allows remote attackers to cause a denial of service (crash and reboot) via a sequence of malformed packets to the device IP.
Weakness: CWE-20
Which versions are affected by CVE-2014-3814?
It affects 3 products.
Products include Juniper Netscreen-5200, Juniper Netscreen-5400, Juniper Screenos.
How do I fix CVE-2014-3814?
No fix has been published for CVE-2014-3814 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-2014-3814 being exploited?
There is no known exploitation of CVE-2014-3814 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-xm38-rqgf-xhmp.