CVE-2024-27529 wasm3 uncontrolled memory allocation vulnerability
Memory leaks in the Read_utf8 function of the wasm3 library can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-27529?
CVE-2024-27529 is a high-severity memory corruption vulnerability in n/a, published on 8 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wasm3 139076a contains memory leaks in Read_utf8.
Weakness: CWE-125
Which versions are affected by CVE-2024-27529?
7 open source packages ship an affected version, including pywasm3, github.com/shareup/wasm-interpreter-apple and wasm3. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pywasm3 PyPI | All versions to 0.5.0 | None |
pywasm3 PyPI | All versions to 0.5.0 | None |
pywasm3 PyPI | All versions to 139076a | None |
github.com/shareup/wasm-interpreter-apple SwiftURL | All versions to 0.8.1 | None |
github.com/shareup/wasm-interpreter-apple SwiftURL | All versions to 0.8.1 | None |
wasm3 crates.io | All versions to 0.3.1 | None |
1 more packages
wasm3 crates.io | All versions to 0.3.1 | None |
Products include Wasm3 Project Wasm3.
How do I fix CVE-2024-27529?
No fix has been published for CVE-2024-27529 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-2024-27529 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-27529 exists.
Other vulnerabilities in n/a
- CVE-2024-34249 pywasm3 contains a heap buffer overflow which leads to segmentation fault
- CVE-2024-27528 pywasm3 has an Invalid Memory Read, Leading to DoS and Potential Code Execution
- CVE-2024-27530 pywasm3 contains a Use-After-Free in ForEachModule
- CVE-2022-28990 Buffer overflow in wasm3
- CVE-2024-27527 Denial of service in n/a
Sources
Also known as GHSA-fmq6-4w57-2w3v, PYSEC-2024-305.