PT-2019-18712 · Binaryen · Binaryen

Wcventure · Published 2019-02-10 · Updated 2020-06-08 · CVE-2019-7702

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 1.38.22

Description A NULL pointer dereference issue was found in the wasm::SExpressionWasmBuilder::parseExpression function in wasm-s-parser.cpp. This can be triggered by a crafted wasm input, resulting in a segmentation fault and leading to a denial-of-service condition.

Recommendations For Binaryen version 1.38.22, as a temporary workaround, consider restricting the use of the wasm::SExpressionWasmBuilder::parseExpression function until a patch is available. Avoid using crafted wasm inputs that can cause a segmentation fault. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2019-7702

Affected Products

Binaryen

References · 5

• 🔥 https://github.com/WebAssembly/binaryen/issues/1867 · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-7702 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-7702 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-7702 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2019-7702 · Vendor Advisory