CVE-2009-2417
curl - SSL certificate verification weakness
EPSS 7.3%
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.
How to fix CVE-2009-2417
To remediate CVE-2009-2417, upgrade the affected package to a fixed version below.
- Debian/curl—upgrade to 7.19.5-1.1 or later
- —upgrade to 7.15.5-1etch3 or later
Is CVE-2009-2417 being exploited?
Moderate — EPSS is 7.3%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 7.19.5-1.1
- from 0, < 7.15.5-1etch3