Vulnerability Details : CVE-2020-18382
Heap-buffer-overflow in /src/wasm/wasm-binary.cpp in wasm::WasmBinaryBuilder::visitBlock(wasm::Block*) in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-opt.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2020-18382
- cpe:2.3:a:webassembly:binaryen:1.38.26:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-18382
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-18382
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-18382
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-18382
-
https://github.com/WebAssembly/binaryen/issues/1900
Heap-buffer-overflow in /src/wasm/wasm-binary.cpp in wasm::WasmBinaryBuilder::visitBlock(wasm::Block*) in Binaryen 1.38.26 · Issue #1900 · WebAssembly/binaryen · GitHubExploit;Issue Tracking;Third Party Advisory
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