Vulnerability in Haxx Curl

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.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.031 (86.3th percentile) — read the EPSS interpretation.

Affected products

  • Haxx Curl — versions 7.18.0, 7.18.1, 7.18.2
  • Haxx Libcurl — versions 7.18.0, 7.18.1, 7.18.2
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2013-4545?
CVE-2013-4545 is a vulnerability in Haxx Curl, classified under Cryptographic Issues. Published 2013-11-23.
Is CVE-2013-4545 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.