CVE-2019-19494 Memory corruption in n/a
Remote attackers can execute arbitrary kernel-level code on Broadcom-based cable modems via JavaScript in a victim's browser.
- 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-2019-19494?
CVE-2019-19494 is a high-severity memory corruption vulnerability in n/a, published on 9 Jan 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
Broadcom based cable modems across multiple vendors are vulnerable to a buffer overflow, which allows a remote attacker to execute arbitrary code at the kernel level via JavaScript run in a victim's browser. Examples of affected products include Sagemcom F@st 3890 prior to 50.10.21_T4, Sagemcom F@st 3890 prior to 05.76.6.3f, Sagemcom F@st 3686 3.428.0, Sagemcom F@st 3686 4.83.0, NETGEAR CG3700EMR 2.01.05, NETGEAR CG3700EMR 2.01.03, NETGEAR C6250EMR 2.01.05, NETGEAR C6250EMR 2.01.03, Technicolor TC7230 STEB 01.25, COMPAL 7284E 5.510.5.11, and COMPAL 7486E 5.510.5.11.
Weakness: CWE-120
Which versions are affected by CVE-2019-19494?
It affects 7 products.
Products include Compal 7284e Firmware, Compal 7486e Firmware, Netgear C6250emr Firmware, Netgear Cg3700emr Firmware, Sagemcom F\@st 3686 Firmware, Sagemcom F\@st 3890 Firmware and 1 more.
How do I fix CVE-2019-19494?
No fix has been published for CVE-2019-19494 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-2019-19494 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-19494 exists.
Public exploit code: 1 Metasploit module.
Sources
Also known as GHSA-g2f2-5gp5-vj56.