Vulnerability Description
lib/ssluse.c in cURL and libcurl 7.4 through 7.19.5, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Curl | Libcurl | 7.4 |
| Libcurl | Libcurl | 7.12 |
Related Weaknesses (CWE)
References
- http://curl.haxx.se/CVE-2009-2417/curl-7.10.6-CVE-2009-2417.patchPatch
- http://curl.haxx.se/CVE-2009-2417/curl-7.11.0-CVE-2009-2417.patchPatch
- http://curl.haxx.se/CVE-2009-2417/curl-7.12.1-CVE-2009-2417.patchPatch
- http://curl.haxx.se/CVE-2009-2417/curl-7.15.1-CVE-2009-2417.patchPatch
- http://curl.haxx.se/CVE-2009-2417/curl-7.15.5-CVE-2009-2417.patchPatch
- http://curl.haxx.se/CVE-2009-2417/curl-7.16.4-CVE-2009-2417.patchPatchVendor Advisory
- http://curl.haxx.se/CVE-2009-2417/curl-7.18.1-CVE-2009-2417.patchPatch
- http://curl.haxx.se/CVE-2009-2417/curl-7.19.0-CVE-2009-2417.patchPatch
- http://curl.haxx.se/CVE-2009-2417/curl-7.19.5-CVE-2009-2417.patchPatch
- http://curl.haxx.se/docs/adv_20090812.txtVendor Advisory
- http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
- http://secunia.com/advisories/36238Vendor Advisory
- http://secunia.com/advisories/36475
- http://secunia.com/advisories/37471
- http://secunia.com/advisories/45047
FAQ
What is CVE-2009-2417?
CVE-2009-2417 is a vulnerability with a CVSS score of 7.5 (HIGH). lib/ssluse.c in cURL and libcurl 7.4 through 7.19.5, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, w...
How severe is CVE-2009-2417?
CVE-2009-2417 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-2417?
Check the references section above for vendor advisories and patch information. Affected products include: Curl Libcurl, Libcurl Libcurl.