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Arbitrary file read using percent-encoded relative paths in FileMiddleware

Moderate severity GitHub Reviewed Published Sep 30, 2020 in vapor/vapor • Updated Jun 19, 2023

Package

swift github.com/vapor/vapor (Swift)

Affected versions

>= 4.0.0-rc.2.5, < 4.29.4

Patched versions

4.29.4

Description

Impact

Attackers can access data at arbitrary filesystem paths on the same host as an application using FileMiddleware.

Patches

Version 4.29.4

Workarounds

Upgrade to 4.24.4 or later, or disable FileMiddleware.

References

For more information

If you have any questions or comments about this advisory:

References

@tanner0101 tanner0101 published to vapor/vapor Sep 30, 2020
Published by the National Vulnerability Database Oct 2, 2020
Published to the GitHub Advisory Database Jun 9, 2023
Reviewed Jun 9, 2023
Last updated Jun 19, 2023

Severity

Moderate
6.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses

CVE ID

CVE-2020-15230

GHSA ID

GHSA-vcvg-xgr8-p5gq

Source code

Credits

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