CVE-2019-12513 Stored XSS via DHCP Discover Request Hostname
An attacker can execute stored XSS on NETGEAR Nighthawk routers by sending a malicious DHCP hostname, allowing script execution when logs are viewed.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-12513?
CVE-2019-12513 is a medium-severity cross-site scripting vulnerability in n/a, published on 24 Feb 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In NETGEAR Nighthawk X10-R900 prior to 1.0.4.24, by sending a DHCP discover request containing a malicious hostname field, an attacker may execute stored XSS attacks against this device. When the malicious DHCP request is received, the device will generate a log entry containing the malicious hostname. This log entry may then be viewed at Advanced settings->Administration->Logs to trigger the exploit. Although this value is inserted into a textarea tag, converted to all-caps, and limited in length, attacks are still possible.
Weakness: CWE-79
Which versions are affected by CVE-2019-12513?
It affects 1 product.
Products include Netgear Nighthawk X10-R9000 Firmware.
How do I fix CVE-2019-12513?
No fix has been published for CVE-2019-12513 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2019-12513 being exploited?
There is no known exploitation of CVE-2019-12513 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-cr2m-4x82-8gw2.