GHSA-rfhg-rjfp-9q8q Potential denial of service after connection migration
A remote attacker can cause a denial of service in applications using the s2n-quic library by triggering connection migration with duplicate frames.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is GHSA-rfhg-rjfp-9q8q?
GHSA-rfhg-rjfp-9q8q is a denial of service vulnerability in s2n-quic, published on 24 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Impact
An issue in s2n-quic results in the endpoint shutting down due to a combination of peer-initiated connection migration and duplicate new connection ID frames being received. No AWS services are affected by this issue, and customers of AWS services do not need to take action.
Impacted versions: <=v1.24.0
Patches
The patch is included in v1.25.0.
Workarounds
There is no workaround. Applications using s2n-quic should upgrade their application to the most recent release of s2n-quic.
If you have any questions or comments about this advisory we ask that you contact AWS/Amazon Security via our vulnerability reporting page or directly via email to [email protected]. Please do not create a public GitHub issue.
Which versions are affected by GHSA-rfhg-rjfp-9q8q?
2 open source packages ship an affected version, including s2n-quic.
| Package | Affected | Fixed in |
|---|---|---|
s2n-quic crates.io | All versions | 1.25.0 |
s2n-quic crates.io | All versions | 1.25.0 |
How do I fix GHSA-rfhg-rjfp-9q8q?
Upgrade s2n-quic to 1.25.0 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GHSA-rfhg-rjfp-9q8q being exploited?
There is no known exploitation of GHSA-rfhg-rjfp-9q8q in the wild and no public exploit code.