CVE-2013-4545
curl - unchecked ssl certificate host name
EPSS 0.35%
Description
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.
How to fix CVE-2013-4545
To remediate CVE-2013-4545, upgrade the affected package to a fixed version below.
- Debian/curl—upgrade to 7.33.0-1 or later
- Debian/curl—upgrade to 7.21.0-2.1+squeeze5 or later
Is CVE-2013-4545 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 7.33.0-1
- from 0, < 7.21.0-2.1+squeeze5