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Fides Webserver Vulnerable to Zip Bomb File Uploads

Low severity GitHub Reviewed Published Jul 18, 2023 in ethyca/fides • Updated Nov 6, 2023

Package

pip ethyca-fides (pip)

Affected versions

>= 2.11.0, < 2.16.0

Patched versions

2.16.0

Description

Impact

The Fides webserver is vulnerable to a type of Denial of Service (DoS) attack. Attackers can exploit a weakness in the connector template upload feature to upload a malicious zip bomb file, resulting in resource exhaustion and service unavailability for all users of the Fides webserver.

This vulnerability affects Fides versions 2.11.0 through 2.15.1. Exploitation is limited to users with elevated privileges with the CONNECTOR_TEMPLATE_REGISTER scope, which includes root users and users with the owner role.

Patches

The vulnerability has been patched in Fides version 2.16.0. Users are advised to upgrade to this version or later to secure their systems against this threat.

Workarounds

There is no known workaround to remediate this vulnerability without upgrading. If an attack occurs, the impact can be mitigated by manually or automatically restarting the affected container.

References

More information about this type of vulnerability can be found at the following links:

References

@daveqnet daveqnet published to ethyca/fides Jul 18, 2023
Published by the National Vulnerability Database Jul 18, 2023
Published to the GitHub Advisory Database Jul 18, 2023
Reviewed Jul 18, 2023
Last updated Nov 6, 2023

Severity

Low

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

EPSS score

0.068%
(32nd percentile)

Weaknesses

CVE ID

CVE-2023-37480

GHSA ID

GHSA-g95c-2jgm-hqc6

Source code

Credits

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