Description (CNA)
Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fd_readdir implementation that copies uninitialized struct padding into guest memory. Guests with a preopened directory can list entries to receive three bytes of leftover host stack or heap memory per directory entry.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| bytecodealliance / wasmtime | affected 0 before 36.0.17; unaffected 36.0.17; affected 37.0.0 before 48.0.4; unaffected 48.0.4; affected 49.0.0 before 49.0.2; unaffected 49.0.2 |
CWE
CWE-908
References
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-96f6-r43r-8c24
- https://www.vulncheck.com/advisories/wasmtime-before-36.0.17-37.0.0-before-48.0.4-and-49.0.0-before-49.0.2-memory-disclosure-via-fd-readdir
ADP enrichment
No English description supplied.
No references supplied.