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From Jihoon Son <jihoon...@apache.org>
Subject Re: [druid-user] Re: CVE-2021-25646: Authenticated users can override system configurations in their requests which allows them to execute arbitrary code.
Date Fri, 29 Jan 2021 23:31:47 GMT
I think all Druid versions except 0.20.1 can potentially have the bug.

On Fri, Jan 29, 2021 at 3:28 PM David Glasser <glasser@apollographql.com> wrote:
>
> What is the oldest Druid version with this vulnerability?
>
> On Fri, Jan 29, 2021 at 10:03 AM Jihoon Son <jihoonson@apache.org> wrote:
> >
> > Description:
> >
> > Apache Druid includes the ability to execute user-provided JavaScript
> > code embedded in various types of requests. This functionality is
> > intended for use in high-trust environments, and is disabled by
> > default. However, in Druid 0.20.0 and earlier, it is possible for an
> > authenticated user to send a specially-crafted request that forces
> > Druid to run user-provided JavaScript code for that request,
> > regardless of server configuration. This can be leveraged to execute
> > code on the target machine with the privileges of the Druid server
> > process.
> >
> > Mitigation:
> >
> > Users should upgrade to Druid 0.20.1. Whenever possible, network
> > access to cluster machines should be restricted to trusted hosts only.
> >
> > Credit:
> >
> > This issue was discovered by Litch1 from the Security Team of Alibaba Cloud.
> >
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> >
>
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