CVE-2024-38533 ZKsync Era invalid stack addressing conversion

Medium 6.5 Published Updated

Invalid stack addressing in the ZKsync Era compiler may allow attackers to cause memory corruption, potentially leading to code execution or denial of service.

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-2024-38533?

CVE-2024-38533 is a medium-severity memory corruption vulnerability in matter-labs era-compiler-vyper, published on 28 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ZKsync Era is a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. There is possible invalid stack access due to the addresses used to access the stack not properly being converted to cells. This issue has been patched in version 1.5.0.

Weakness: CWE-787

Which versions are affected by CVE-2024-38533?

How do I fix CVE-2024-38533?

No fix has been published for CVE-2024-38533 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-2024-38533 being exploited?

There is no known exploitation of CVE-2024-38533 in the wild and no public exploit code.

Sources

Also known as GHSA-q7pg-6jh9-87gv.

Is CVE-2024-38533 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free