PT-2023-11494 · Binaryen · Binaryen

Wcventure · Published 2023-08-22 · Updated 2023-08-25 · CVE-2020-18382

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Binaryen version 1.38.26

Description A heap-buffer-overflow issue exists in the wasm::WasmBinaryBuilder::visitBlock(wasm::Block*) function in src/wasm/wasm-binary.cpp. This can be triggered by a crafted wasm input, leading to a segmentation fault and resulting in denial-of-service. The issue is demonstrated by wasm-opt.

Recommendations For Binaryen version 1.38.26, consider updating to a newer version that contains a fix for this issue, as the current version is affected by the heap-buffer-overflow in wasm::WasmBinaryBuilder::visitBlock(wasm::Block*). At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-18382

Affected Products

Binaryen

References · 10

• 🔥 https://github.com/WebAssembly/binaryen/issues/1900 · Exploit
• https://ubuntu.com/security/CVE-2020-18382 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-18382 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-18382 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-18382 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-18382 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-18382 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-18382 · Vendor Advisory
• https://t.me/cvenotify/57340 · Telegram Post
• https://t.me/cibsecurity/68949 · Telegram Post