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Graph/local-trust-escalation-via-mis-scoping

AntiPattern

Local Trust Escalation

local-trust-escalation-via-mis-scoping

Local execution trust is widened by mis-scoped configuration and reliance on “acceptable” local context (e.g., root folder rules, trusted browser targets, permissive bundle launch), allowing binaries or background launch agents to operate despite security controls.

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Public graph metadata

Updated7/6/2026

Connections

30 linked nodes

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You could use a file with the secret token, placed in secure directory — as part of the bundle process. Tension: and ensure a script is run as part of the bundle process. Outcome: An example to set env variables.

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Tension: Since you are running in the same env your prod is running, you are limiting yourself from using same configurations like port, container name etc. Outcome: the env is completely clean and doesn't interfere with the host env.

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Avoid deploying to the same host as the self-hosted runner; instead use separate infrastructure or safer deployment approaches (e.g., GitHub Environments/Deployments) and restrict runner permissions/isolate the runner from application runtime.

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Your Azure AD Connect service should be using a dedicated service account. Tension: This allows them to detect new and unreported/unkown threats because they look for risky/unusual actions rather than simply a "bad" program. Outcome: allow this specific module import from a trusted user or host.

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Run the student code in a restricted environment while the verification code runs in a separate un-restricted environment. Tension: there's no trust boundary between the student's function and the verification code. Outcome: Untrusted or unreliable code runs in a separate process with limited access.

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Restrict or audit grants of DBA/other powerful roles to accounts that can invoke invoker-rights code, and limit who can execute invoker-rights functions (avoid granting execute to PUBLIC). Prefer safer security patterns (e.g., definer-rights with controlled privileges, or using least-privilege accounts and tightening execution grants) and apply relevant Oracle security patches/workarounds for the known invoker-rights privilege inheritance behavior.

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Untrusted Javascript can be run safely in a typical web browser. — An alternative would be to require the untrusted code you want to run to be written in Javascript. Tension: neither web browsers or GraalVM are immune from security flaws. Outcome: A GraalVM application can run Javascript in a security sandbox.

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My solution was to allow only the user the process is running under, and deny NT AUTHORITY\NETWORK. — before the code above. Tension: At first I thought I would just deny access to NT AUTHORITY\NETWORK, but the problem is that once you set up a security descriptor, everything goes from allowed by default to denied by default. Outcome: adding this before the code above.

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Configure the MicrosoftSecurityDevOps task to use an mdo.gdnconfig and provide ESLint exclusions (e.g., via ExclusionsFilePath/.eslintignore or ExclusionPatterns) so the scanner skips the affected library files/directories during Advanced Security scans.

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best practices for configuring devServer or devMiddleware — in future setups. Tension: prevent such vulnerabilities. Outcome: without upgrading the entire Vue CLI or webpack stack.

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Tension: the size grows as you add entries to the control access list of the security descriptor.

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Add-MpPreference -AttackSurfaceReductionOnlyExclusions "C:\path\myApp.exe" — Open an elevated Powershell. Tension: substituting path and myApp for the target executable you have created. Outcome: create a rule to allow your app.

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create a rule for the root folder of your solution or even your repos root folder — if you have many solutions under the same root. Tension: all exe's under this root will not be blocked. Outcome: all exe's under this root will not be blocked.

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Do not trust repository-defined filter commands to be auto-installed on clone; instead set filters locally (e.g., via trusted global config) or require explicit user/admin configuration and verification before enabling filters.

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On your local machine, use your own credential directly — On your local machine, use your own credential directly. Tension: If you use your container locally, you can read my article to use your own credential in the local container runtime context.

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Instead of giving the client control over individual functions such as modifying files and registry entries — The service is a sort of privileged helper for the client to perform elevated tasks. Outcome: require the client to request an operation (install this update) and have the service decide how to perform that operation safely.

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Using self-elevation — by placing the following at the start of your script. Tension: modifying your script so that it re-invokes itself with elevation on demand. Outcome: by placing the following at the start of your script.

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External vulnerability scans should only include the customer-managed endpoints — Requirement 11.4.2 in the shared responsibility matrix. Tension: and not GCP-managed endpoints. Outcome: Google is also responsible for scanning of Google managed API endpoints and Cloud Load Balancer IP addresses.

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you want a packaged + full trust app — Packaged apps may run virtualized/isolated in an AppContainer or as a full trust app. Tension: full trust app. Outcome: declare uap10:TrustLevel="mediumIL".

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Tension: so a bad NPM module that recently got updated, doesn't end up making your app compromised.

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Decide what your root location is. Tension: No server (remote or localhost), no Javascript fetching (static links), no JQuery, no HTTP(S). Outcome: that's equally trusted to browse the local system by auto generating the links as index.html.

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protecting the individual endpoints properly. Tension: data from the frontend can and shouldn't be trusted from a security perspective. Outcome: you're already taking the proper countermeasures.

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Make sure the directory used by the export is to a part of the server. Tension: the dump file generated in a location only accessible by trusted individuals. Outcome: the dump file generated in a location only accessible by trusted individuals.

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upgrade to the latest JVM and see if the truststore in that version already solves your problem — For some reason your Java runtime environment does not trust that certificate. Outcome: upgrade to the latest JVM and see if the truststore in that version already solves your problem.

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Grant the build SA the builder role — Stage 1 (build). Tension: missing permission on the build service account. Outcome: Apply all three before expecting a working trigger.

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Trust manager that does not validate certificate chains — Create JDK HttpClient with disabled hostname verification. Tension: Need hand on more with these code snippets for checking. Outcome: sslContext.init(null, trustAllCerts, new java.security.SecureRandom());.

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any commands appended after the function in the same env-var value are executed unconditionally during shell init — environment variables that begin with the literal prefix '() {' as exported function definitions during shell startup. Tension: Env vars are routinely populated from untrusted sources. Outcome: pre-auth RCE.

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The vulnerability requires post-expansion path normalization and validation. — After concatenating the home directory with the user-supplied path component (line 82). Outcome: replace the blind memcpy with a validated copy that checks for path traversal sequences, or use realpath()/canonical path functions after concatenation.

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kept Claude launched with `--setting-sources project,local` and `--strict-mcp-config`. Tension: Global Claude plugins were also leaking until user settings were excluded. Outcome: user settings were excluded.

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Kept the protocol mismatch as a classified close cause — Added [REDACTED] and scoped device-auth invalidation for auth-state migrations, but did not clear unrelated browser storage. Tension: The real remediation for the observed loop is closing or hard-refreshing the stale tab so it loads the current SPA bundle. Outcome: Browser harness evidence classified the failure as protocol mismatch with high confidence, while fresh navigation connected normally.

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