GHSA-475v-pq2g-fp9g s2n-quic potential denial of service via crafted stream frames
Attackers can cause denial of service by opening streams beyond limits, requiring library upgrade to mitigate resource exhaustion.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is GHSA-475v-pq2g-fp9g?
GHSA-475v-pq2g-fp9g is a denial of service vulnerability in s2n-quic, published on 8 Nov 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 could result in unnecessary resource utilization when peers open streams beyond advertised limits.
Impacted versions: <= v1.30.0.
Patches
The patch is included in v1.31.0 [1].
Workarounds
There is no workaround. Applications using s2n-quic should upgrade to the most recent release of s2n-quic.
If you have any questions or comments about this advisory, we ask that you contact AWS Security via our vulnerability reporting page [2] or directly via email to [email protected]. Please do not create a public GitHub issue.
[1] https://github.com/aws/s2n-quic/releases/tag/v1.31.0 [2] https://aws.amazon.com/security/vulnerability-reporting
Which versions are affected by GHSA-475v-pq2g-fp9g?
2 open source packages ship an affected version, including s2n-quic.
| Package | Affected | Fixed in |
|---|---|---|
s2n-quic crates.io | All versions | 1.31.0 |
s2n-quic crates.io | All versions | 1.31.0 |
How do I fix GHSA-475v-pq2g-fp9g?
Upgrade s2n-quic to 1.31.0 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-475v-pq2g-fp9g being exploited?
There is no known exploitation of GHSA-475v-pq2g-fp9g in the wild and no public exploit code.