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From "Jonathan Leitschuh (Jira)" <j...@apache.org>
Subject [jira] [Commented] (LANG-1607) To aid with CVE-2019-16303, consider upgrading RandomStringUtils default RNG
Date Mon, 21 Sep 2020 19:05:00 GMT

    [ https://issues.apache.org/jira/browse/LANG-1607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17199606#comment-17199606
] 

Jonathan Leitschuh commented on LANG-1607:
------------------------------------------

> See e.g. this github PR, which is being replicated THOUSANDS of times

I ended up generating 3,880 pull requests. I already had a bit of this debate with the apache
lang team here:

[https://github.com/apache/commons-lang/pull/459]

> To aid with CVE-2019-16303, consider upgrading RandomStringUtils default RNG
> ----------------------------------------------------------------------------
>
>                 Key: LANG-1607
>                 URL: https://issues.apache.org/jira/browse/LANG-1607
>             Project: Commons Lang
>          Issue Type: Bug
>            Reporter: Frank Ch. Eigler
>            Priority: Major
>
> In [https://nvd.nist.gov/vuln/detail/CVE-2019-16303]  , the org.apache.commons.lang3.RandomStringUtils randomAlphanumeric()
function is used to generate random strings.  Because of weaknesses of the default RNG, this
allows baddies to predict other randomAlphnumeric() results, which in this large family of
client programs, results in severe vulnerabilities.
> While the class is not documented to be "cryptographically safe", it would be prudent
to upgrade the default RNG used in these classes to be crypto-usable level, such as with the
java.security.SecureRandom nextBytes().
> See e.g. this github PR, which is being replicated THOUSANDS of times, in order to work
around this problem in countless users of this library.  [https://github.com/elderdb/neptune/pull/1] 



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