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https://issues.apache.org/jira/browse/OFBIZ-12080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17495606#comment-17495606
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ASF subversion and git services commented on OFBIZ-12080:
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Commit c638ec26f8a0d2b78f1f275dcc5ff934e3019a30 in ofbiz-framework's branch
refs/heads/release18.12 from Jacques Le Roux
[ https://gitbox.apache.org/repos/asf?p=ofbiz-framework.git;h=c638ec2 ]
Fixed: Secure the uploads (OFBIZ-12080)
Trivial change in DataServices.java: uses the SecuredUpload import in 2 places
it was missing.
Adds some tokens in security.properties::deniedWebShellTokens
Removes a duplicated htaccess in security.properties::deniedFileExtensions
> Secure the uploads
> ------------------
>
> Key: OFBIZ-12080
> URL: https://issues.apache.org/jira/browse/OFBIZ-12080
> Project: OFBiz
> Issue Type: Sub-task
> Components: ALL APPLICATIONS, ALL PLUGINS
> Affects Versions: Trunk
> Reporter: Jacques Le Roux
> Assignee: Jacques Le Roux
> Priority: Major
> Fix For: 17.12.07, 18.12.01
>
> Attachments: OFBIZ-12080.patch
>
>
> 2020/08/10 the OFBiz security team received a security report by Harshit
> Shukla <harshit.sh...@gmail.com>, roughly it was (quoting part of it to
> simplify):
> bq. I have identified a Remote Code Execution (RCE) Vulnerability. The reason
> behind this RCE is lack of file extension check at
> catalog/control/UploadCategoryImage?productCategoryId=CATALOG1_BEST_SELL&pload_file_type=category
> Using this post-auth RCE in OFBiz demos, Harshit was able to get some AWS
> credentials by uploading a webshell (based on [0]). By security, it was then
> decided by the Infra and OFBiz security teams to shut down the demos.
> After I decided we needed to secure all our uploads and not only checking
> extensions, I began to work on the vulnerablity. During this work I
> discovered, according to [1] and [2], that these AWS credentials are so far
> considered harmless.
> This post-auth RCE relies on the demo data. In our documentation[3], we warn
> our users to not use the demo data. Notably because they allow to sign in as
> an admin!
> After discussing these elements with Mark J Cox (VP of ASF security team[4])
> we in common decided that no CVE was necessary.
> [0] https://github.com/tennc/webshell/blob/master/fuzzdb-webshell/jsp/cmd.jsp
> [1]
> https://ibreak.software/2020/04/what-are-these-reserved-set-of-security-credentials-in-aws/
> [2] https://twitter.com/SpenGietz/status/1104198404471631872
> [3]
> https://cwiki.apache.org/confluence/display/OFBIZ/How+to+secure+your+deployment
> [4] https://awe.com/mark/history/index.html
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