CVE-2016-1421 Memory corruption in Cisco IP Phones
Unauthenticated remote attackers can execute code with root privileges or cause a denial of service on Cisco IP Phones via crafted HTTP requests.
- 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-2016-1421?
CVE-2016-1421 is a high-severity memory corruption vulnerability in Cisco IP Phones, published on 10 Jun 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the web application for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a denial of service (DoS) condition. The vulnerability exists because the affected software fails to check the bounds of input data. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web server of a targeted device. A successful exploit could allow the attacker to remotely execute code with root privileges or cause a reload of an affected IP phone, resulting in a DoS condition.
Weakness: CWE-119
Which versions are affected by CVE-2016-1421?
It affects 1 product.
Products include Cisco Ip Phone 8800 Series Firmware.
How do I fix CVE-2016-1421?
No fix has been published for CVE-2016-1421 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2016-1421 being exploited?
There is no known exploitation of CVE-2016-1421 in the wild and no public exploit code.
Other vulnerabilities in Cisco IP Phones
Sources
Also known as GHSA-25qv-8m5r-8645.