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https://issues.apache.org/jira/browse/SOLR-15961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17485535#comment-17485535
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ASF subversion and git services commented on SOLR-15961:
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Commit 6cb5e419aa42e316a4a859e1befe38053d653e3b in lucene-solr's branch 
refs/heads/branch_8_11 from Tomas Eduardo Fernandez Lobbe
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=6cb5e41 ]

SOLR-15961: Only consider the number in the SolrAuth header a timestamp if it's 
between a valid range of digits (#575)


> PKIAuthenticationPlugin.parseCipher is too lenient, causing unnecessary 
> authentication errors
> ---------------------------------------------------------------------------------------------
>
>                 Key: SOLR-15961
>                 URL: https://issues.apache.org/jira/browse/SOLR-15961
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Tomas Eduardo Fernandez Lobbe
>            Assignee: Tomas Eduardo Fernandez Lobbe
>            Priority: Minor
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> It will accept an input {{SolrAuth}} header as valid with an invalid/outdated 
> public key as long as the output of {{CryptoKeys.decryptRSA}} ends with a 
> space followed by a number. It will interpret the number as a (very small) 
> timestamp, which will cause the request to fail with 401, instead of 
> re-fetching the public key from the remote host.



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