Vulnerability Description
Yii 2.x through 2.0.15.1 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Yiiframework | Yii | >= 2.0, <= 2.0.15.1 |
Related Weaknesses (CWE)
References
- https://github.com/yiisoft/yii2/issues/16193Issue TrackingThird Party Advisory
- https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdfThird Party Advisory
- https://github.com/yiisoft/yii2/issues/16193Issue TrackingThird Party Advisory
- https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdfThird Party Advisory
FAQ
What is CVE-2018-20745?
CVE-2018-20745 is a vulnerability with a CVSS score of 5.9 (MEDIUM). Yii 2.x through 2.0.15.1 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 misconfi...
How severe is CVE-2018-20745?
CVE-2018-20745 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20745?
Check the references section above for vendor advisories and patch information. Affected products include: Yiiframework Yii.