CWE-529: Exposure of Access Control List Files to an Unauthorized Control Sphere
The product stores access control list files in a directory or other container that is accessible to actors outside of the intended control sphere.
How it's found
Exposure of Access Control List Files to an Unauthorized Control Sphere is a specific, narrowly defined instance of a broader pattern. Testers confirm it with targeted code review and a proof-of-concept input that exercises the exact code path this weakness describes.
Exposure of these access control list files may give the attacker information about the configuration of the site or system. This information may then be used to bypass the intended security policy or identify trusted systems from which an attack can be launched.
Consequences
- Read Application Data, Bypass Protection Mechanism
Mitigations
- System Configuration: Protect access control list files.
Where this fits in a TurboPentest engagement
This weakness is not covered by the automated black-box pentest. IntegSec pentesters cover it in a manual engagement.
Frequently asked questions
What is CWE-529?
The product stores access control list files in a directory or other container that is accessible to actors outside of the intended control sphere.
How do you find Exposure of Access Control List Files to an Unauthorized Control Sphere?
Exposure of Access Control List Files to an Unauthorized Control Sphere is a specific, narrowly defined instance of a broader pattern. Testers confirm it with targeted code review and a proof-of-concept input that exercises the exact code path this weakness describes.
What is the impact of CWE-529?
Read Application Data, Bypass Protection Mechanism
Does TurboPentest test for Exposure of Access Control List Files to an Unauthorized Control Sphere?
This weakness is not covered by the automated black-box pentest. IntegSec pentesters cover it in a manual engagement.
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Written and reviewed by
Michel Chamberland - Founder & CEO, IntegSec
CISSP, OSCP, OSCE, CEH, GIAC, CCSK · 20+ years in offensive security
Michel has spent 20+ years on offensive security teams including IBM X-Force Red and Trustwave SpiderLabs, leading penetration tests, red team engagements, and breach response for Fortune 500 customers. He is the founder of IntegSec and the architect of TurboPentest.
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