CVE-2021-38429 OCI OpenDDS Secure Network Amplification
Attackers can cause denial of service and information exposure in OCI OpenDDS by sending specially crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-38429?
CVE-2021-38429 is a medium-severity denial of service vulnerability in OCI OpenDDS, published on 5 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure.
Weakness: CWE-406
Which versions are affected by CVE-2021-38429?
It affects 1 product.
Products include Objectcomputing Opendds.
How do I fix CVE-2021-38429?
No fix has been published for CVE-2021-38429 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-38429 being exploited?
There is no known exploitation of CVE-2021-38429 in the wild and no public exploit code.
Other vulnerabilities in OCI OpenDDS
- CVE-2021-38447 OCI OpenDDS Secure Amplification
- CVE-2025-67111 Integer overflow in n/a
- CVE-2023-52427 Denial of service in n/a
- CVE-2023-37915 Malformed PID_PROPERTY_LIST parameter in DATA submessage remotely crashes OpenDDS
- CVE-2021-38445 OCI OpenDDS Secure Improper Handling of Length Parameter Inconsistency
Sources
Also known as GHSA-gjcc-3vr8-g68x.