CVE-2019-12703 Cisco SPA122 ATA with Router Devices DHCP Services Cross-Site Scripting Vulnerability
An unauthenticated adjacent attacker can execute arbitrary script code or access sensitive browser information via crafted DHCP requests in the Cisco SPA122 web interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-12703?
CVE-2019-12703 is a medium-severity cross-site scripting vulnerability in Cisco SPA122 ATA with Router, published on 16 Oct 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A vulnerability in the web-based management interface of Cisco SPA122 ATA with Router Devices could allow an unauthenticated, adjacent attacker to conduct cross-site scripting attacks. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected software. An attacker could exploit this vulnerability by sending malicious input to the affected software through crafted DHCP requests, and then persuading a user to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
Weakness: CWE-79
Which versions are affected by CVE-2019-12703?
It affects 1 product.
Products include Cisco Spa122 Firmware.
How do I fix CVE-2019-12703?
No fix has been published for CVE-2019-12703 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-2019-12703 being exploited?
There is no known exploitation of CVE-2019-12703 in the wild and no public exploit code.
Sources
Also known as GHSA-j3mr-9fcj-h6c6.