Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Host Panic via realloc
概要
Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability that allows malicious Wasm modules to panic the host because the may_leave flag is not cleared during realloc. Attackers can call into the host from realloc while lowering stream or future results, such...
影響パッケージ
| 種類 | パッケージ | 影響を受ける版 | 直った版 |
|---|---|---|---|
| bytecodealliance | wasmtime |
46.0.0 以上 48.0.6 未満 49.0.0 以上 49.0.3 未満 |
48.0.6 49.0.3 |
原文の説明 取得元が公開している説明をそのまま載せています (多くは英語)。
Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability that allows malicious Wasm modules to panic the host because the may_leave flag is not cleared during realloc. Attackers can call into the host from realloc while lowering stream or future results, such as cancelling the active read or re-waiting a waitable-set, crashing the host.
出典: CVE.org (CVE Program・cvelistV5) NVD