Vulnerability in Lua-OpenSSL Certificate Validation
CVE-2020-9434

9.1CRITICAL

Key Information:

Vendor

Lua-OpenSSL Project

Status
Lua-OpenSSL
Vendor
CVE Published:
27 February 2020

What is CVE-2020-9434?

The lua-openssl library versions prior to 0.7.7-1 experience a flaw in the openssl_x509_check_ip_asc function, which mishandles X.509 certificate validation. This occurs due to the improper use of lua_pushboolean, leading to certain non-boolean return values being misinterpreted. Consequently, this can result in potential security issues, as the integrity of certificate verification may be compromised.

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References

https://github.com/zhaozg/lua-openssl/commit/a6dc186dd4b6...
x_refsource_MISC

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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