CVE-2019-7482 Memory corruption in SMA100
Unauthenticated attackers can execute arbitrary code on SonicWall SMA100 devices via a stack-based buffer overflow in libSys.so.
- 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-2019-7482?
CVE-2019-7482 is a critical memory corruption vulnerability in SonicWall SMA100, published on 19 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Stack-based buffer overflow in SonicWall SMA100 allows an unauthenticated user to execute arbitrary code in function libSys.so. This vulnerability impacted SMA100 version 9.0.0.3 and earlier.
Which versions are affected by CVE-2019-7482?
It affects 1 product.
Products include Sonicwall Sma 100 Firmware.
How do I fix CVE-2019-7482?
No fix has been published for CVE-2019-7482 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-2019-7482 being exploited?
There is no known exploitation of CVE-2019-7482 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in SonicWall SMA100
Sources
Also known as GHSA-qwrr-w7m7-w9gh.