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Vulnerabilities
Vulnerable Software

Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.011
EPSS Ranking 76.7%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 2.6
References
Products affected by CVE-2016-3739
  • Haxx » Curl » Version: 7.21.0
    cpe:2.3:a:haxx:curl:7.21.0
  • Haxx » Curl » Version: 7.21.1
    cpe:2.3:a:haxx:curl:7.21.1
  • Haxx » Curl » Version: 7.21.2
    cpe:2.3:a:haxx:curl:7.21.2
  • Haxx » Curl » Version: 7.21.3
    cpe:2.3:a:haxx:curl:7.21.3
  • Haxx » Curl » Version: 7.21.4
    cpe:2.3:a:haxx:curl:7.21.4
  • Haxx » Curl » Version: 7.21.5
    cpe:2.3:a:haxx:curl:7.21.5
  • Haxx » Curl » Version: 7.21.6
    cpe:2.3:a:haxx:curl:7.21.6
  • Haxx » Curl » Version: 7.21.7
    cpe:2.3:a:haxx:curl:7.21.7
  • Haxx » Curl » Version: 7.22.0
    cpe:2.3:a:haxx:curl:7.22.0
  • Haxx » Curl » Version: 7.23.0
    cpe:2.3:a:haxx:curl:7.23.0
  • Haxx » Curl » Version: 7.23.1
    cpe:2.3:a:haxx:curl:7.23.1
  • Haxx » Curl » Version: 7.24.0
    cpe:2.3:a:haxx:curl:7.24.0
  • Haxx » Curl » Version: 7.25.0
    cpe:2.3:a:haxx:curl:7.25.0
  • Haxx » Curl » Version: 7.26.0
    cpe:2.3:a:haxx:curl:7.26.0
  • Haxx » Curl » Version: 7.27.0
    cpe:2.3:a:haxx:curl:7.27.0
  • Haxx » Curl » Version: 7.28.0
    cpe:2.3:a:haxx:curl:7.28.0
  • Haxx » Curl » Version: 7.28.1
    cpe:2.3:a:haxx:curl:7.28.1
  • Haxx » Curl » Version: 7.29.0
    cpe:2.3:a:haxx:curl:7.29.0
  • Haxx » Curl » Version: 7.30.0
    cpe:2.3:a:haxx:curl:7.30.0
  • Haxx » Curl » Version: 7.31.0
    cpe:2.3:a:haxx:curl:7.31.0
  • Haxx » Curl » Version: 7.32.0
    cpe:2.3:a:haxx:curl:7.32.0
  • Haxx » Curl » Version: 7.33.0
    cpe:2.3:a:haxx:curl:7.33.0
  • Haxx » Curl » Version: 7.34.0
    cpe:2.3:a:haxx:curl:7.34.0
  • Haxx » Curl » Version: 7.35.0
    cpe:2.3:a:haxx:curl:7.35.0
  • Haxx » Curl » Version: 7.36.0
    cpe:2.3:a:haxx:curl:7.36.0
  • Haxx » Curl » Version: 7.38.0
    cpe:2.3:a:haxx:curl:7.38.0
  • Haxx » Curl » Version: 7.39.0
    cpe:2.3:a:haxx:curl:7.39.0
  • Haxx » Curl » Version: 7.40.0
    cpe:2.3:a:haxx:curl:7.40.0
  • Haxx » Curl » Version: 7.41.0
    cpe:2.3:a:haxx:curl:7.41.0
  • Haxx » Curl » Version: 7.42.0
    cpe:2.3:a:haxx:curl:7.42.0
  • Haxx » Curl » Version: 7.42.1
    cpe:2.3:a:haxx:curl:7.42.1
  • Haxx » Curl » Version: 7.43.0
    cpe:2.3:a:haxx:curl:7.43.0
  • Haxx » Curl » Version: 7.44.0
    cpe:2.3:a:haxx:curl:7.44.0
  • Haxx » Curl » Version: 7.45.0
    cpe:2.3:a:haxx:curl:7.45.0
  • Haxx » Curl » Version: 7.46.0
    cpe:2.3:a:haxx:curl:7.46.0
  • Haxx » Curl » Version: 7.47.0
    cpe:2.3:a:haxx:curl:7.47.0
  • Haxx » Curl » Version: 7.48.0
    cpe:2.3:a:haxx:curl:7.48.0


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