Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2016-3739

The (1) mbed_connect_step1 function in lib/vtls/mbedtls.c and (2) polarssl_connect_step1 function in lib/vtls/polarssl.c in cURL and libcurl before 7.49.0, when using SSLv3 or making a TLS connection to a URL that uses a numerical IP address, allow remote attackers to spoof servers via an arbitrary valid certificate.

  • Published: May 20, 2016
  • Updated: Apr 13, 2023
  • CVE: CVE-2016-3739
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.3
  • AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

CVSS v2:

  • Severity: Low
  • Score: 2.6
  • AV:N/AC:H/Au:N/C:N/I:P/A:N

CWEs:

Software From Fixed in
haxx / curl 7.21.3 7.21.3.x
haxx / curl 7.24.0 7.24.0.x
haxx / curl 7.35.0 7.35.0.x
haxx / curl 7.21.5 7.21.5.x
haxx / curl 7.21.1 7.21.1.x
haxx / curl 7.32.0 7.32.0.x
haxx / curl 7.40.0 7.40.0.x
haxx / curl 7.29.0 7.29.0.x
haxx / curl 7.48.0 7.48.0.x
haxx / curl 7.22.0 7.22.0.x
haxx / curl 7.33.0 7.33.0.x
haxx / curl 7.45.0 7.45.0.x
haxx / curl 7.44.0 7.44.0.x
haxx / curl 7.26.0 7.26.0.x
haxx / curl 7.23.1 7.23.1.x
haxx / curl 7.25.0 7.25.0.x
haxx / curl 7.36.0 7.36.0.x
haxx / curl 7.21.6 7.21.6.x
haxx / curl 7.30.0 7.30.0.x
haxx / curl 7.27.0 7.27.0.x
haxx / curl 7.38.0 7.38.0.x
haxx / curl 7.21.2 7.21.2.x
haxx / curl 7.42.0 7.42.0.x
haxx / curl 7.31.0 7.31.0.x
haxx / curl 7.42.1 7.42.1.x
haxx / curl 7.41.0 7.41.0.x
haxx / curl 7.34.0 7.34.0.x
haxx / curl 7.21.0 7.21.0.x
haxx / curl 7.28.0 7.28.0.x
haxx / curl 7.23.0 7.23.0.x
haxx / curl 7.28.1 7.28.1.x
haxx / curl 7.47.0 7.47.0.x
haxx / curl 7.43.0 7.43.0.x
haxx / curl 7.21.4 7.21.4.x
haxx / curl 7.39.0 7.39.0.x
haxx / curl 7.21.7 7.21.7.x
haxx / curl 7.46.0 7.46.0.x