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https://issues.apache.org/jira/browse/SLING-9418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17107839#comment-17107839
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Md Mahir Asef Kabir commented on SLING-9418:
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[~asanso] thanks, I will reopen if the issue if I find anything important.
Meanwhile, I made a small change in the issue description for future usage.
> Usage of SHA-256 is insecure
> ----------------------------
>
> Key: SLING-9418
> URL: https://issues.apache.org/jira/browse/SLING-9418
> Project: Sling
> Issue Type: Improvement
> Reporter: Md Mahir Asef Kabir
> Priority: Major
>
> *Vulnerability Description:* In
> “src/main/java/org/apache/sling/discovery/base/connectors/ping/TopologyRequestValidator.java”
> file the following code was written in
> {code:java}
> private String hash(String toHash){code}
> method -
> {code:java}
> MessageDigest m = MessageDigest.getInstance("SHA-256");{code}
> The vulnerability is, using "SHA-256” as the argument to
> MessageDigest.getInstance method.
> *Reason it’s vulnerable:* According to
> [this|https://soylentnews.org/article.pl?sid=19/09/10/2351241], SHA256 can be
> broken.
> *Suggested Fix:* SHA512 can be used instead
> *Feedback:* Please select any of the options down below to help us get an
> idea about how you felt about the suggestion -
> # Liked it and will make the suggested changes
> # Liked it but happy with the existing version
> # Didn’t find the suggestion helpful
>
> *Note:* Tagging *[~stefanegli]* as suggested by [~rombert] in this [pull
> request.|https://github.com/apache/sling-org-apache-sling-discovery-base/pull/1]
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