CVE-2009-2417

curl: incorrect verification of SSL certificate with NUL in name

Published Aug 14, 2009 CVSS 2.0 · 7.5 High EPSS 3.5% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-1869-1 New curl packages fix SSL certificate verification weakness
EUVD EUVD EUVD-2009-2413 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.
Ubuntu USN Ubuntu USN USN-818-1 curl vulnerability
Ubuntu USN Ubuntu USN USN-1158-1 curl vulnerabilities
References
Link Providers
http://curl.haxx.se/CVE-2009-2417/curl-7.10.6-CVE-2009-2417.patch cve-icon cve-icon
http://curl.haxx.se/CVE-2009-2417/curl-7.11.0-CVE-2009-2417.patch cve-icon cve-icon
http://curl.haxx.se/CVE-2009-2417/curl-7.12.1-CVE-2009-2417.patch cve-icon cve-icon
http://curl.haxx.se/CVE-2009-2417/curl-7.15.1-CVE-2009-2417.patch cve-icon cve-icon
http://curl.haxx.se/CVE-2009-2417/curl-7.15.5-CVE-2009-2417.patch cve-icon cve-icon
http://curl.haxx.se/CVE-2009-2417/curl-7.16.4-CVE-2009-2417.patch cve-icon cve-icon
http://curl.haxx.se/CVE-2009-2417/curl-7.18.1-CVE-2009-2417.patch cve-icon cve-icon
http://curl.haxx.se/CVE-2009-2417/curl-7.19.0-CVE-2009-2417.patch cve-icon cve-icon
http://curl.haxx.se/CVE-2009-2417/curl-7.19.5-CVE-2009-2417.patch cve-icon cve-icon
http://curl.haxx.se/docs/adv_20090812.txt cve-icon cve-icon
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html cve-icon cve-icon
http://secunia.com/advisories/36238 cve-icon cve-icon
http://secunia.com/advisories/36475 cve-icon cve-icon
http://secunia.com/advisories/37471 cve-icon cve-icon
http://secunia.com/advisories/45047 cve-icon cve-icon
http://shibboleth.internet2.edu/secadv/secadv_20090817.txt cve-icon cve-icon
http://support.apple.com/kb/HT4077 cve-icon cve-icon
http://wiki.rpath.com/Advisories:rPSA-2009-0124 cve-icon cve-icon
http://www.securityfocus.com/archive/1/506055/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/archive/1/507985/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/bid/36032 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-1158-1 cve-icon cve-icon
http://www.vmware.com/security/advisories/VMSA-2009-0016.html cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/2263 cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/3316 cve-icon cve-icon
https://exchange.xforce.ibmcloud.com/vulnerabilities/52405 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2009-2417 cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10114 cve-icon cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8542 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2009-2417 cve-icon
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 7, 2024, 5:52 AM
Reserved
Jul 9, 2009, 12:00 AM
Status
Modified
Published
Aug 14, 2009, 3:16 PM
Modified
Jun 16, 2026, 11:09 PM
Severity
Moderate
Public date
Aug 12, 2009, 12:00 AM