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Insecure Initialization Vector Affecting openssl package, versions <2.0.0

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.38% (73rd percentile)
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NVD
7.5 high
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Red Hat
3.7 low

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  • Snyk ID SNYK-RUBY-OPENSSL-451556
  • published 8 Jul 2019
  • disclosed 20 Sep 2016
  • credit Unknown
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Introduced: 20 Sep 2016

CVE-2016-7798 Open this link in a new tab
CWE-310 Open this link in a new tab

How to fix?

Upgrade openssl to version 2.0.0 or higher.

Overview

openssl is a package that wraps the OpenSSL library.

Affected versions of this package are vulnerable to Insecure Initialization Vector. The openssl gem for Ruby uses the same initialization vector (IV) in GCM Mode (aes-*-gcm) when the IV is set before the key, which makes it easier for context-dependent attackers to bypass the encryption protection mechanism.