PT-2018-13974 · Wavm · Wavm

Hongxuchen · Published 2018-09-21 · Updated 2018-11-21 · CVE-2018-17293

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions WAVM versions prior to 2018-09-16

Description An issue in the run function in Programs/wavm/wavm.cpp allows attackers to cause a denial of service or possibly have other impacts by crafting certain WebAssembly files. This occurs because the function does not check whether there is Emscripten memory to store command-line arguments passed by the input WebAssembly file's main function, leading to a potential NULL pointer dereference.

Recommendations For versions prior to 2018-09-16, update to a version released after 2018-09-16 to resolve the issue. As a temporary workaround, consider restricting the execution of untrusted WebAssembly files to minimize the risk of exploitation.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2018-17293

Affected Products

Wavm

References · 4

• 🔥 https://github.com/WAVM/WAVM/issues/110#issuecomment-421764693 · Exploit
• https://github.com/WAVM/WAVM/commit/31d670b6489e6d708c3b04b911cdf14ac43d846d · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2018-17293 · Security Note
• https://osv.dev/vulnerability/CVE-2018-17293 · Vendor Advisory