Vulnerability Description
The verify_certificate function in lib/vtls/schannel.c in libcurl 7.30.0 through 7.51.0, when built for Windows CE using the schannel TLS backend, makes it easier for remote attackers to conduct man-in-the-middle attacks via a crafted wildcard SAN in a server certificate, as demonstrated by "*.com."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Haxx | Curl | >= 7.30.0, <= 7.51.0 |
| Microsoft | Windows Embedded Compact | - |
Related Weaknesses (CWE)
References
- https://curl.haxx.se/CVE-2016-9952.patchVendor Advisory
- https://curl.haxx.se/docs/adv_20161221B.htmlVendor Advisory
- https://curl.haxx.se/CVE-2016-9952.patchVendor Advisory
- https://curl.haxx.se/docs/adv_20161221B.htmlVendor Advisory
FAQ
What is CVE-2016-9952?
CVE-2016-9952 is a vulnerability with a CVSS score of 8.1 (HIGH). The verify_certificate function in lib/vtls/schannel.c in libcurl 7.30.0 through 7.51.0, when built for Windows CE using the schannel TLS backend, makes it easier for remote attackers to conduct man-i...
How severe is CVE-2016-9952?
CVE-2016-9952 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-9952?
Check the references section above for vendor advisories and patch information. Affected products include: Haxx Curl, Microsoft Windows Embedded Compact.