Re: Does remote caching open up any security vulnerabilities?

Since SCons 4.2, the ability to customize the Class used to
orchestrate pushing and pulling to/from the cache was added.
https://github.com/SCons/scons/releases/tag/4.2.0

MongoDB uses this new feature to validation to detect file corruption:
https://github.com/mongodb/mongo/blob/a711b08cf587600a4c52b4df9a2fcb9789b834f8/site_scons/site_tools/validate_cache_dir.py#L92-L133

This same concept could be used to encrypt/decrypt cache files to secure
the remote cache. Your local environment will still need to be secure.


On Thu, Sep 22, 2022 at 2:15 PM Bill Deegan <[email protected]>
wrote:

>
>
> On Thu, Sep 22, 2022 at 12:03 PM Don Baldwin <[email protected]>
> wrote:
>
>> Hi,
>>
>>
>>
>> What precautions are in place to prevent someone from modifying a cached
>> file to inject nefarious code into a product?
>>
>
> Currently there are none.
> If you're building software in such an environment, you have lots of
> issues to contend with in addition to someone altering the cachedir files.
>
> Generally we don't check target file modification either (assuming nothing
> depends on a given target file as source to another builder).
> Though in that case it would just case a rebuild of the target which
> depends on it, not a specific notice that it had been modified.
>
> _Bill
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