CVE-2019-18930 Memory corruption in n/a
Remote attackers can execute arbitrary code on Western Digital My Cloud EX2 Ultra devices via a stack-based buffer overflow in the download manager.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-18930?
CVE-2019-18930 is a high-severity memory corruption vulnerability in n/a, published on 13 Nov 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Western Digital My Cloud EX2 Ultra firmware 2.31.183 allows web users (including guest account) to remotely execute arbitrary code via a stack-based buffer overflow. There is no size verification logic in one of functions in libscheddl.so, and download_mgr.cgi makes it possible to enter large-sized f_idx inputs.
Weakness: CWE-787
Which versions are affected by CVE-2019-18930?
It affects 1 product.
Products include Western Digital My Cloud Ex2 Ultra Firmware.
How do I fix CVE-2019-18930?
No fix has been published for CVE-2019-18930 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-2019-18930 being exploited?
There is no known exploitation of CVE-2019-18930 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-jvjw-9wvw-vw24.