Improper Input Validation Affecting curl package, versions <7.49.1-r0


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.75% (82nd percentile)

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  • Snyk IDSNYK-ALPINE33-CURL-468470
  • published22 Sept 2019
  • disclosed22 Sept 2019
  • creditUnknown

Introduced: 22 Sep 2019

CVE-2016-3739  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Alpine:3.3 curl to version 7.49.1-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Alpine. See How to fix? for Alpine:3.3 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1