OSV-2024-538 Use-of-uninitialized-value in QUICVariableInt::size
An attacker can cause a denial of service by triggering a use-of-uninitialized-value error in the QUIC variable integer parsing logic.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2024-538?
OSV-2024-538 is a denial of service vulnerability in trafficserver, published on 6 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=69001
Crash type: Use-of-uninitialized-value
Crash state:
QUICVariableInt::size
Http3SettingsFrame::Http3SettingsFrame
Http3FrameFactory::create
Which versions are affected by OSV-2024-538?
1 open source package ship an affected version, including trafficserver.
| Package | Affected | Fixed in |
|---|---|---|
trafficserver OSS-Fuzz | All versions | None |
How do I fix OSV-2024-538?
No fix has been published for OSV-2024-538 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 OSV-2024-538 being exploited?
There is no known exploitation of OSV-2024-538 in the wild and no public exploit code.