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CVE-2018-20744

Good to know:

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Date: January 28, 2019

The Olivier Poitrey Go CORS handler through 1.3.0 actively converts a wildcard CORS policy into reflecting an arbitrary Origin header value, which is incompatible with the CORS security design, and could lead to CORS misconfiguration security problems.

Language: Go

Severity Score

Related Resources (10)

https://github.com/gofiber/fiber/pull/2339
https://github.com/rs/cors/issues/55
https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf
http://www.securityfocus.com/bid/106834
https://github.com/rs/cors/pull/57
https://github.com/gofiber/fiber/issues/2338
https://web.archive.org/web/20200227091122/http://www.securityfocus.com/bid/106834
https://github.com/gofiber/fiber
https://nvd.nist.gov/vuln/detail/CVE-2018-20744
https://www.mend.io/vulnerability-database/CVE-2018-20744

Severity Score

Weakness Type (CWE)

Origin Validation Error

CWE-346

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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