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Improper Input Validation Affecting curl package, versions <7.50.1-1

low

Snyk CVSS

    Attack Complexity High
    User Interaction Required
    Integrity High

    Threat Intelligence

    EPSS 0.75% (79th percentile)
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NVD
5.3 medium
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Red Hat
4.8 medium

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  • Snyk ID SNYK-DEBIAN11-CURL-517825
  • published 20 May 2016
  • disclosed 20 May 2016
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Introduced: 20 May 2016

CVE-2016-3739 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Debian:11 curl to version 7.50.1-1 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 Debian:11. See How to fix? for Debian:11 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.