PT-2020-20655 · Lua · Lua-Openssl

Published 2020-02-27 · Updated 2020-02-28 · CVE-2020-9434

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions lua-openssl version 0.7.7-1

Description The issue is related to the mishandling of X.509 certificate validation in the openssl x509 check ip asc function. This function uses lua pushboolean for certain non-boolean return values, which can lead to incorrect validation results.

Recommendations For lua-openssl version 0.7.7-1, consider updating to a newer version that addresses this issue, as the current version may lead to incorrect X.509 certificate validation due to the misuse of lua pushboolean for non-boolean return values.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2020-9434

Affected Products

Lua-Openssl

References · 4

• https://github.com/zhaozg/lua-openssl/commit/a6dc186dd4b6b9e329a93cca3e7e3cfccfdf3cca · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-9434 · Security Note
• https://osv.dev/vulnerability/CVE-2020-9434 · Vendor Advisory
• https://t.me/cvenotify/1272 · Telegram Post