CVE-2009-2417

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.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 1.88% Top 20%
Vendor Advisory ubuntu.com Vendor Advisory apple.com Vendor Advisory haxx.se Vendor Advisory haxx.se Vendor Advisory secunia.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://curl.haxx.se/CVE-2009-2417/curl-7.15.1-CVE-2009-2417.patch patch
http://curl.haxx.se/CVE-2009-2417/curl-7.19.0-CVE-2009-2417.patch patch
http://curl.haxx.se/CVE-2009-2417/curl-7.19.5-CVE-2009-2417.patch patch
http://curl.haxx.se/CVE-2009-2417/curl-7.12.1-CVE-2009-2417.patch patch
http://www.securityfocus.com/archive/1/506055/100/0/threaded mailing list
http://secunia.com/advisories/37471 third party advisory
http://www.vupen.com/english/advisories/2009/2263 vdb entry vendor advisory
http://www.ubuntu.com/usn/USN-1158-1 vendor advisory
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://secunia.com/advisories/36238 third party advisory vendor advisory
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/52405 vdb entry
http://curl.haxx.se/CVE-2009-2417/curl-7.16.4-CVE-2009-2417.patch patch vendor advisory
http://wiki.rpath.com/Advisories:rPSA-2009-0124
http://curl.haxx.se/CVE-2009-2417/curl-7.10.6-CVE-2009-2417.patch patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8542 signature vdb entry
http://curl.haxx.se/CVE-2009-2417/curl-7.18.1-CVE-2009-2417.patch patch
http://www.securityfocus.com/archive/1/507985/100/0/threaded mailing list
http://support.apple.com/kb/HT4077
http://shibboleth.internet2.edu/secadv/secadv_20090817.txt
http://secunia.com/advisories/36475 third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10114 signature vdb entry
http://curl.haxx.se/docs/adv_20090812.txt vendor advisory
http://secunia.com/advisories/45047 third party advisory
http://www.securityfocus.com/bid/36032 vdb entry
http://curl.haxx.se/CVE-2009-2417/curl-7.15.5-CVE-2009-2417.patch patch
http://www.vupen.com/english/advisories/2009/3316 vdb entry
http://curl.haxx.se/CVE-2009-2417/curl-7.11.0-CVE-2009-2417.patch patch

Frequently Asked Questions

What is the severity of CVE-2009-2417?
CVE-2009-2417 has been scored as a high severity vulnerability.
How to fix CVE-2009-2417?
To fix CVE-2009-2417, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-2417 being actively exploited in the wild?
It is possible that CVE-2009-2417 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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