CVE-2020-18382 — Out-of-bounds Write in Binaryen

CWE-787 — Out-of-bounds Write4 documents4 sources
Severity
6.5MEDIUMNVD
EPSS
0.2%
top 55.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Webassembly BinaryenDebian Binaryen
Timeline
PublishedAug 22

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/binaryen< binaryen 68-1 (bookworm)
▶Debianwebassembly/binaryen< 68-1+3

🔴Vulnerability Details

2
OSV
CVE-2020-18382: Heap-buffer-overflow in /src/wasm/wasm-binary↗2023-08-22
▶
GHSA
GHSA-g8f7-3qc2-97wh: Heap-buffer-overflow in /src/wasm/wasm-binary↗2023-08-22
▶

📋Vendor Advisories

1
Debian
CVE-2020-18382: binaryen - Heap-buffer-overflow in /src/wasm/wasm-binary.cpp in wasm::WasmBinaryBuilder::vi...↗2020
▶
CVE-2020-18382 — Out-of-bounds Write in Debian Binaryen | cvebase