CVE-2019-7702 — NULL Pointer Dereference in Binaryen

CWE-476 — NULL Pointer Dereference4 documents4 sources
Severity
6.5MEDIUMNVD
EPSS
0.3%
top 45.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Webassembly BinaryenDebian Binaryen
Timeline
PublishedFeb 10
Latest updateMay 13

Description

A NULL pointer dereference was discovered in wasm::SExpressionWasmBuilder::parseExpression 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 wasm-as.

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

🔴Vulnerability Details

2
GHSA
GHSA-hmpj-jpgg-crxm: A NULL pointer dereference was discovered in wasm::SExpressionWasmBuilder::parseExpression in wasm-s-parser↗2022-05-13
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OSV
CVE-2019-7702: A NULL pointer dereference was discovered in wasm::SExpressionWasmBuilder::parseExpression in wasm-s-parser↗2019-02-10
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📋Vendor Advisories

1
Debian
CVE-2019-7702: binaryen - A NULL pointer dereference was discovered in wasm::SExpressionWasmBuilder::parse...↗2019
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