Vulnerability Description
CyaSSL does not check the key usage extension in leaf certificates, which allows remote attackers to spoof servers via a crafted server certificate not authorized for use in an SSL/TLS handshake.
CVSS Score
5.9
MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wolfssl | Wolfssl | <= 2.9.4 |
Related Weaknesses (CWE)
References
- http://secunia.com/advisories/62604Permissions RequiredThird Party Advisory
- http://www.openwall.com/lists/oss-security/2014/04/18/2Mailing ListThird Party Advisory
- http://secunia.com/advisories/62604Permissions RequiredThird Party Advisory
- http://www.openwall.com/lists/oss-security/2014/04/18/2Mailing ListThird Party Advisory
FAQ
What is CVE-2014-2903?
CVE-2014-2903 is a vulnerability with a CVSS score of 5.9 (MEDIUM). CyaSSL does not check the key usage extension in leaf certificates, which allows remote attackers to spoof servers via a crafted server certificate not authorized for use in an SSL/TLS handshake.
How severe is CVE-2014-2903?
CVE-2014-2903 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-2014-2903?
Check the references section above for vendor advisories and patch information. Affected products include: Wolfssl Wolfssl.