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Comparison Using Wrong Factors Affecting org.bouncycastle:bcprov-ext-jdk15on Open this link in a new tab package, versions [1.65,1.67)

0.0
high

  • Exploit Maturity

    Proof of concept

  • Attack Complexity

    Low

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  • snyk-id

    SNYK-JAVA-ORGBOUNCYCASTLE-1052818

  • published

    18 Dec 2020

  • disclosed

    18 Dec 2020

  • credit

    Matti Varanka, Tero Rontti

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Introduced: 18 Dec 2020

CVE-2020-28052 Open this link in a new tab
CWE-1025 Open this link in a new tab

How to fix?

Upgrade org.bouncycastle:bcprov-ext-jdk15on to version 1.67 or higher.

Overview

org.bouncycastle:bcprov-ext-jdk15on is a Java implementation of cryptographic algorithms.

Affected versions of this package are vulnerable to Comparison Using Wrong Factors. The OpenBSDBCrypt.checkPassword utility method compared incorrect data when checking the password, allowing incorrect passwords to indicate they were matching with previously hashed ones that were different.