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CVE details

CVE-2013-4545

cURL and libcurl 7.18.0 through 7.32.0, when built with OpenSSL, disables the certificate CN and SAN name field verification (CURLOPT_SSL_VERIFYHOST) when the digital signature verification (CURLOPT_SSL_VERIFYPEER) is disabled, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Score
4.3 medium
Published
2013-11-23
Links
NVD · cve.org

Affected ports (1)

PortPackageVersionStatusMaintainer
ftp/linux-c7-curllinux-c7-curl7.29.0_13unaddressedemulation@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>linux-c7-curl</name>
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>cURL and libcurl 7.18.0 through 7.32.0, when built with OpenSSL,
	disables the certificate CN and SAN name field verification
	(CURLOPT_SSL_VERIFYHOST) when the digital signature verification
	(CURLOPT_SSL_VERIFYPEER) is disabled, which allows man-in-the-middle
	attackers to spoof SSL servers via an arbitrary valid certificate.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2013-4545</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2013-4545</url>
    </references>
    <dates>
      <discovery>2013-11-23</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>