CVE-2020-4207 Memory corruption in IoT MessageSight
Remote attackers can execute arbitrary code or cause denial of service via a buffer overflow in IBM Watson IoT Message Gateway.
- 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-2020-4207?
CVE-2020-4207 is a critical memory corruption vulnerability in IBM IoT MessageSight, published on 28 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IBM Watson IoT Message Gateway 2.0.0.x, 5.0.0.0, 5.0.0.1, and 5.0.0.2 is vulnerable to a buffer overflow, caused by improper bounds checking when handling a failed HTTP request with specific content in the headers. By sending a specially crafted HTTP request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service. IBM X-Force ID: 174972.
Weakness: CWE-120
Which versions are affected by CVE-2020-4207?
It affects 2 products.
Products include Ibm Iot Messagesight, Ibm Watson Iot Platform - Message Gateway.
How do I fix CVE-2020-4207?
No fix has been published for CVE-2020-4207 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-2020-4207 being exploited?
There is no known exploitation of CVE-2020-4207 in the wild and no public exploit code.
Sources
Also known as GHSA-p3wr-rj67-3cjc.