CVE-2019-5148 Integer overflow in Moxa
An unauthenticated attacker can cause a denial of service in Moxa AWK-3131A devices by sending a crafted packet that triggers an integer underflow and memory access violation.
- 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-2019-5148?
CVE-2019-5148 is a high-severity vulnerability in Moxa, published on 25 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An exploitable denial-of-service vulnerability exists in ServiceAgent functionality of the Moxa AWK-3131A, firmware version 1.13. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.
Which versions are affected by CVE-2019-5148?
It affects 1 product.
Products include Moxa Awk-3131a Firmware.
How do I fix CVE-2019-5148?
No fix has been published for CVE-2019-5148 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-5148 being exploited?
There is no known exploitation of CVE-2019-5148 in the wild and no public exploit code.
Other vulnerabilities in Moxa
Sources
Also known as GHSA-qqr8-vww9-h837.