Vulnerability Description
wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate.
CVSS Score
5.8
MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Yassl | Cyassl | <= 2.9.0 |
Related Weaknesses (CWE)
References
- http://seclists.org/oss-sec/2014/q2/126
- http://seclists.org/oss-sec/2014/q2/130
- http://secunia.com/advisories/57743Vendor Advisory
- http://www.securityfocus.com/bid/66780
- http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__AVendor Advisory
- http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html
- https://security.gentoo.org/glsa/201612-53
- http://seclists.org/oss-sec/2014/q2/126
- http://seclists.org/oss-sec/2014/q2/130
- http://secunia.com/advisories/57743Vendor Advisory
- http://www.securityfocus.com/bid/66780
- http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__AVendor Advisory
- http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html
- https://security.gentoo.org/glsa/201612-53
FAQ
What is CVE-2014-2900?
CVE-2014-2900 is a vulnerability with a CVSS score of 5.8 (MEDIUM). wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate.
How severe is CVE-2014-2900?
CVE-2014-2900 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-2900?
Check the references section above for vendor advisories and patch information. Affected products include: Yassl Cyassl.