CVE-2019-3785 Cloud Controller provides signed URL with write authorization to read only user

Medium 6.5 Published Updated

Authenticated read-only users can obtain signed URLs granting write access to the bit-service, allowing unauthorized data modification.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-3785?

CVE-2019-3785 is a medium-severity vulnerability in Cloud Foundry CAPI, published on 13 Mar 2019. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Cloud Foundry Cloud Controller, versions prior to 1.78.0, contain an endpoint with improper authorization. A remote authenticated malicious user with read permissions can request package information and receive a signed bit-service url that grants the user write permissions to the bit-service.

Weakness: CWE-269, CWE-285

Which versions are affected by CVE-2019-3785?

It affects 1 product.

Products include Cloudfoundry Capi-Release.

How do I fix CVE-2019-3785?

No fix has been published for CVE-2019-3785 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-3785 being exploited?

There is no known exploitation of CVE-2019-3785 in the wild and no public exploit code.

Sources

Also known as GHSA-84j7-fm4m-279g.

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