Vulnerability Description
curl and libcurl 7.27.0 through 7.35.0, when running on Windows and using the SChannel/Winssl TLS backend, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate when accessing a URL that uses a numerical IP address, which allows man-in-the-middle attackers to spoof servers via an arbitrary valid certificate.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Haxx | Curl | 7.27.0 |
| Haxx | Libcurl | 7.27.0 |
| Microsoft | Windows | All versions |
Related Weaknesses (CWE)
References
- http://curl.haxx.se/docs/adv_20140326D.htmlPatchVendor Advisory
- http://seclists.org/oss-sec/2014/q1/585
- http://seclists.org/oss-sec/2014/q1/586
- http://secunia.com/advisories/57836Vendor Advisory
- http://secunia.com/advisories/57966Vendor Advisory
- http://secunia.com/advisories/57968Vendor Advisory
- http://secunia.com/advisories/59458
- http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095862
- http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/
- http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/
- http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/
- http://www.securityfocus.com/bid/66296
- http://curl.haxx.se/docs/adv_20140326D.htmlPatchVendor Advisory
- http://seclists.org/oss-sec/2014/q1/585
- http://seclists.org/oss-sec/2014/q1/586
FAQ
What is CVE-2014-2522?
CVE-2014-2522 is a vulnerability with a CVSS score of 4.0 (MEDIUM). curl and libcurl 7.27.0 through 7.35.0, when running on Windows and using the SChannel/Winssl TLS backend, does not verify that the server hostname matches a domain name in the subject's Common Name (...
How severe is CVE-2014-2522?
CVE-2014-2522 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-2522?
Check the references section above for vendor advisories and patch information. Affected products include: Haxx Curl, Haxx Libcurl, Microsoft Windows.