Vulnerability Details : CVE-2018-20744
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.
Products affected by CVE-2018-20744
- cpe:2.3:a:go_cors_project:go_cors:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20744
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 49 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20744
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2018-20744
-
The product does not properly verify that the source of data or communication is valid.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20744
-
http://www.securityfocus.com/bid/106834
Go CORS Handler CVE-2018-20744 Security Bypass VulnerabilityThird Party Advisory
-
https://github.com/rs/cors/issues/55
CORS security: reflecting any origin header value when configured to * is dangerous · Issue #55 · rs/cors · GitHubIssue Tracking;Third Party Advisory
-
https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf
Third Party Advisory
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