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


Severity

low

    Threat Intelligence

    EPSS
    0.75% (82nd percentile)

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  • Snyk ID SNYK-DEBIAN12-CURL-1543984
  • published 20 May 2016
  • disclosed 20 May 2016

How to fix?

Upgrade Debian:12 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. See How to fix? for Debian:12 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 Scores

version 3.1
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Snyk

5.3 low
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    High
  • Availability (A)
    None
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NVD

5.3 medium
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Red Hat

4.8 medium