Improper input validation in Haxx Curl

CVE-2014-2522

curl and libcurl 7.27.0 through 7.35.0, when running on Windows and using the SChannel/Winssl TLS backend, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate when accessing a URL that uses a numerical IP address, which allows man-in-the-middle attackers to spoof servers via an arbitrary valid certificate.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.026 (83.6th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2014-2522?
CVE-2014-2522 is a vulnerability in Haxx Curl, classified under Improper Input Validation. Published 2014-04-18.
Is CVE-2014-2522 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.