Comparison Using Wrong Factors Affecting org.bouncycastle:bcprov-ext-jdk15on Open this link in a new tab package, versions [1.65,1.67)
Exploit Maturity
Proof of concept
Attack Complexity
Low
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snyk-id
SNYK-JAVA-ORGBOUNCYCASTLE-1052818
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published
18 Dec 2020
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disclosed
18 Dec 2020
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credit
Matti Varanka, Tero Rontti
Introduced: 18 Dec 2020
CVE-2020-28052 Open this link in a new tabHow 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.