org.wildfly.security:wildfly-elytron-password-impl 1.10.17.Final

Direct Vulnerabilities

Known vulnerabilities in the org.wildfly.security:wildfly-elytron-password-impl package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability	Vulnerable Version
C Improper Handling of Alternate Encoding Affected versions of this package are vulnerable to Improper Handling of Alternate Encoding in its password normalization, which applies Unicode NFKC (compatibility) normalization before hashing and so folds fullwidth and other compatibility characters to their ASCII equivalents. An attacker with access to the stored password hashes can shrink the effective keyspace and test ASCII dictionary candidates against passwords originally set with compatibility characters, since distinct inputs such as `Ａ` (U+FF21) and `A` (U+0041) produce the same hash. This affects only credentials whose passwords contain compatibility characters such as fullwidth letters or digits, and the attacker must already possess the hashes to run the offline dictionary attack. How to fix Improper Handling of Alternate Encoding? A fix was pushed into the `master` branch but not yet published.	[0,)
H Timing Attack Affected versions of this package are vulnerable to Timing Attack due to the use of `uses java.util.Arrays.equals` unsafe comparator. This flaw allows an attacker to access secure information or impersonate an authenticated user. Note: To compare values securely, users should use `java.security.MessageDigest.isEqual` function instead. How to fix Timing Attack? Upgrade `org.wildfly.security:wildfly-elytron-password-impl` to version 1.15.15 or higher.	[,1.15.15)

Vulnerability

Vulnerable Version

Improper Handling of Alternate Encoding

Affected versions of this package are vulnerable to Improper Handling of Alternate Encoding in its password normalization, which applies Unicode NFKC (compatibility) normalization before hashing and so folds fullwidth and other compatibility characters to their ASCII equivalents. An attacker with access to the stored password hashes can shrink the effective keyspace and test ASCII dictionary candidates against passwords originally set with compatibility characters, since distinct inputs such as Ａ (U+FF21) and A (U+0041) produce the same hash. This affects only credentials whose passwords contain compatibility characters such as fullwidth letters or digits, and the attacker must already possess the hashes to run the offline dictionary attack.

How to fix Improper Handling of Alternate Encoding?

A fix was pushed into the master branch but not yet published.

[0,)

Timing Attack

Affected versions of this package are vulnerable to Timing Attack due to the use of uses java.util.Arrays.equals unsafe comparator. This flaw allows an attacker to access secure information or impersonate an authenticated user.

Note: To compare values securely, users should use java.security.MessageDigest.isEqual function instead.

How to fix Timing Attack?

Upgrade org.wildfly.security:wildfly-elytron-password-impl to version 1.15.15 or higher.

[,1.15.15)

org.wildfly.security:wildfly-elytron-password-impl@1.10.17.Final

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Direct Vulnerabilities

Fix vulnerabilities automatically