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…

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.

Scores

EPSS (exploitation in 30 days)

3.5% · top 11% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

• n/a
• CWE-310 (opens in a new tab)All about CWE-310 and its CVEs

Affected products

• n/a

  • affected n/a

References (28)

• http://curl.haxx.se/CVE-2009-2417/curl-7.15.1-CVE-2009-2417.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://curl.haxx.se/CVE-2009-2417/curl-7.19.0-CVE-2009-2417.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://curl.haxx.se/CVE-2009-2417/curl-7.19.5-CVE-2009-2417.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://curl.haxx.se/CVE-2009-2417/curl-7.12.1-CVE-2009-2417.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20090824 rPSA-2009-0124-1 curl (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 37471 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2009-2263 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• USN-1158-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://www.vmware.com/security/advisories/VMSA-2009-0016.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 36238 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• APPLE-SA-2010-03-29-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• curl-certificate-security-bypass(52405) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• http://curl.haxx.se/CVE-2009-2417/curl-7.16.4-CVE-2009-2417.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://wiki.rpath.com/Advisories:rPSA-2009-0124 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://curl.haxx.se/CVE-2009-2417/curl-7.10.6-CVE-2009-2417.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
• oval:org.mitre.oval:def:8542 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• http://curl.haxx.se/CVE-2009-2417/curl-7.18.1-CVE-2009-2417.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• http://support.apple.com/kb/HT4077 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://shibboleth.internet2.edu/secadv/secadv_20090817.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
• 36475 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• oval:org.mitre.oval:def:10114 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• http://curl.haxx.se/docs/adv_20090812.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
• 45047 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 36032 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• http://curl.haxx.se/CVE-2009-2417/curl-7.15.5-CVE-2009-2417.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
• ADV-2009-3316 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• http://curl.haxx.se/CVE-2009-2417/curl-7.11.0-CVE-2009-2417.patch (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2009-2417](https://trackcve.app/badge/CVE-2009-2417.svg)](https://trackcve.app/cve/CVE-2009-2417)

Record last updated 7 Aug 2024, 05:52 UTC.