CVE-2019-7701 — Out-of-bounds Read in Binaryen

CWE-125 — Out-of-bounds Read4 documents4 sources
Severity
6.5MEDIUMNVD
EPSS
0.3%
top 45.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Webassembly BinaryenDebian Binaryen
Timeline
PublishedFeb 10
Latest updateMay 13

Description

A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm2js.

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 64-1 (bookworm)
▶Debianwebassembly/binaryen< 64-1+3

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-w6m3-f6w3-3gw3: A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser↗2022-05-13
▶
OSV
CVE-2019-7701: A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser↗2019-02-10
▶

📋Vendor Advisories

1
Debian
CVE-2019-7701: binaryen - A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhi...↗2019
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CVE-2019-7701 — Out-of-bounds Read in Binaryen | cvebase