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Certified Information Systems Security Professional CISSP Practice Test 58

Question 570

Management implemented a response after this event: A team patches an SQL injection flaw but its new regression test only checks one harmless input. The response was: Write negative and adversarial requirements-based regression tests for equivalent injection paths. Which observed outcome BEST verifies that the intended security protection operates, rather than merely appearing in a plan?

  1. Malicious input variations remain data and cannot change query structure or permissions.
  2. The original demo payload fails, but an alternate boolean expression still changes the database query structure.
  3. The web form rejects special characters while the internal API still concatenates untrusted account IDs.
  4. The SQL syntax test passes but a user can query other customers’ records through legitimate IDs.

Explanation

Correct Answer

A:

Malicious input variations remain data and cannot change query structure or permissions. A fix can reproduce the same assumption and leave alternative malformed inputs exploitable.

Incorrect Answers

B:

A narrow regression did not cover equivalent injection paths.

C:

UI validation is not safe query construction at the data boundary.

D:

Injection prevention alone does not establish object authorization.

Question 571

A buyer enables a SaaS integration that requests read/write access to all employees’ mailboxes. The vendor offers a favorable audit report covering its infrastructure but not the customer’s OAuth app configuration. What is the BEST security decision before allowing tenant-wide consent?

  1. Accept the SaaS provider’s SOC report as proof every customer OAuth scope is least-privileged by default.
  2. Review vendor assurance boundaries and validate customer-controlled configurations and data processing terms.
  3. Enable every OAuth permission for future flexibility and rely on the provider’s datacenter audit.
  4. Skip contractual data-flow review because the vendor already has a compliance logo.

Explanation

Correct Answer

B:

Customer-controlled OAuth delegated scopes, consent and data-processing terms require their own analysis; a provider audit does not establish least-privilege access in the tenant. Restrict the app to documented business needs and verify the resulting data boundary.

Incorrect Answers

A:

Supplier reports do not necessarily test tenant-selected delegated permissions.

C:

Provider infrastructure assurance cannot authorize broad customer-configured scopes.

D:

An accreditation label is not a substitute for examined purposes, responsibilities and restrictions.

Question 572

After the SaaS integration receives approved narrowly scoped OAuth access, which risk needs continued attention as user permissions, app features and tokens change?

  1. A provider assurance report necessarily covers every tenant setting, regardless of the report’s scope and exclusions.
  2. Previously approved delegated OAuth grants may become excessive or persist after role changes; tenant owners must govern consent, scopes and token lifecycle.
  3. A SaaS vendor automatically assumes responsibility for all enterprise identity and data-processing decisions.
  4. Compliance with a provider’s infrastructure controls ensures an application’s OAuth delegation cannot expose excess data.

Explanation

Correct Answer

B:

Provider certification cannot determine whether the customer’s delegated API permissions remain least-privileged as the integration evolves. Review active grants and revoke permissions that exceed present business purpose.

Incorrect Answers

A:

Customer-controlled configuration can fall outside supplier-tested controls.

C:

Service agreements and customer configuration define divided responsibilities.

D:

Delegated API scopes require explicit tenant-side review.

Question 573

An organization limits a new SaaS integration to approved business records using narrowly scoped OAuth permissions. Which observation BEST demonstrates the customer-side authorization boundary works?

  1. Tenant consent audit shows only necessary app scopes and authorized resources, while attempted access to unapproved mailboxes is denied.
  2. The vendor SOC opinion is favorable while the enterprise’s OAuth app holds unnecessary full-mailbox read rights.
  3. Audit documents identify building controls but no one has inspected real SaaS tenant sharing permissions.
  4. A procurement approval is filed, but the vendor’s onward processors and customer-side security controls remain unmapped.

Explanation

Correct Answer

A:

The test checks granted OAuth capabilities and actual denial of excess customer data access. Vendor infrastructure audit evidence cannot establish that a tenant configuration has narrowed delegated permissions.

Incorrect Answers

B:

Provider assurance does not establish the customer’s least-privilege setting.

C:

In-scope physical evidence cannot substitute for customer configuration tests.

D:

Purchase approval does not demonstrate full software security-impact assessment.

Question 574

An application embeds third-party code with incompatible redistribution terms and no license inventory. As the accountable security practitioner, which response BEST addresses the specific weakness without introducing a different untested control?

  1. Embed the third-party component without examining its redistribution requirements because its source is public.
  2. Remove license notices from the release to minimize package size without legal review.
  3. Ignore component security and provenance after obtaining one compatible license label.
  4. Review licenses and provenance for acquired components before distribution and maintain a compliant inventory.

Explanation

Correct Answer

D:

Open-source availability does not mean unrestricted reuse or licensing compatibility. License compliance does not establish that dependencies are free of exploitable defects.

Incorrect Answers

A:

Source availability does not remove license compatibility and notice obligations.

B:

Distribution terms may require attribution and other conditions.

C:

Licensing compliance and vulnerability management are separate supplier risks.

Question 575

The organization implemented the response to this scenario: An application embeds third-party code with incompatible redistribution terms and no license inventory. The approved response was: Review licenses and provenance for acquired components before distribution and maintain a compliant inventory. Which statement MOST accurately identifies a remaining risk or constraint?

  1. License compliance does not establish that dependencies are free of exploitable defects.
  2. An open-source license automatically allows every form of proprietary redistribution without conditions.
  3. Passing a license check proves the included dependencies have no exploitable security defects.
  4. Embedding a library under a transitive dependency removes any applicable notice and redistribution responsibilities.

Explanation

Correct Answer

A:

Open-source availability does not mean unrestricted reuse or licensing compatibility. Distribution packages contain approved components and necessary license notices with technical attestations.

Incorrect Answers

B:

Licenses differ in permissions, obligations and compatibility.

C:

Intellectual-property compliance does not establish technical vulnerability absence.

D:

Obligations can still apply to distributed transitive components.

Question 576

Management implemented a response after this event: An application embeds third-party code with incompatible redistribution terms and no license inventory. The response was: Review licenses and provenance for acquired components before distribution and maintain a compliant inventory. Which observed outcome BEST verifies that the intended security protection operates, rather than merely appearing in a plan?

  1. Distribution packages contain approved components and necessary license notices with technical attestations.
  2. The published package has third-party binaries but no provenance or required license notices.
  3. The release passes vulnerability scanning but contains code under incompatible redistribution terms.
  4. An inventory names top-level dependencies but omits transitive components included in the shipping artifact.

Explanation

Correct Answer

A:

Distribution packages contain approved components and necessary license notices with technical attestations. Open-source availability does not mean unrestricted reuse or licensing compatibility.

Incorrect Answers

B:

Distribution is not demonstrably compliant with component obligations.

C:

Security scanning cannot establish license compliance.

D:

Incomplete provenance cannot support defensible software acquisition and distribution assurance.

Question 577

A proprietary component is shipped as an unsigned executable without patch-support commitments. As the accountable security practitioner, which response BEST addresses the specific weakness without introducing a different untested control?

  1. Install an unsigned vendor executable directly into production because its function passes a demonstration.
  2. Require trusted provenance, vulnerability disclosure and supported update processes before adopting the component.
  3. Ignore patch-support terms and assume a proprietary supplier will maintain critical fixes indefinitely.
  4. Check only a download checksum obtained from the same untrusted site as the executable.

Explanation

Correct Answer

B:

A binary's function alone does not establish supply-chain authenticity or maintainability. Signature verification cannot prove the signed binary is vulnerability-free.

Incorrect Answers

A:

Functional operation does not establish trusted origin or a supported security lifecycle.

C:

Without contractual support assurance, future vulnerabilities may remain unaddressed.

D:

An attacker can replace both the program and untrusted digest.

Question 578

The organization implemented the response to this scenario: A proprietary component is shipped as an unsigned executable without patch-support commitments. The approved response was: Require trusted provenance, vulnerability disclosure and supported update processes before adopting the component. Which statement MOST accurately identifies a remaining risk or constraint?

  1. Signature verification cannot prove the signed binary is vulnerability-free.
  2. A valid digital signature guarantees the signed binary contains no exploitable vulnerabilities.
  3. A component executing correctly today ensures the supplier will provide timely future security patches.
  4. A proprietary license automatically certifies supply-chain authenticity of downloaded binaries.

Explanation

Correct Answer

A:

A binary's function alone does not establish supply-chain authenticity or maintainability. Procured software installs from verified origin and has a documented security patch SLA.

Incorrect Answers

B:

Publisher authentication is not a proof of code safety.

C:

Observed current functionality cannot establish lifecycle support obligations.

D:

Distribution rights and software origin verification are distinct.

Question 579

Management implemented a response after this event: A proprietary component is shipped as an unsigned executable without patch-support commitments. The response was: Require trusted provenance, vulnerability disclosure and supported update processes before adopting the component. Which observed outcome BEST verifies that the intended security protection operates, rather than merely appearing in a plan?

  1. Procured software installs from verified origin and has a documented security patch SLA.
  2. The executable runs successfully but its publisher identity and signed release provenance cannot be verified.
  3. A product has a valid signature while the vendor supplies no vulnerability disclosure or security maintenance commitment.
  4. The procurement order is approved, but hash provenance and the promised patch SLA are undocumented.

Explanation

Correct Answer

A:

Procured software installs from verified origin and has a documented security patch SLA. A binary's function alone does not establish supply-chain authenticity or maintainability.

Incorrect Answers

B:

Functional testing is not supply-chain authenticity assurance.

C:

Signing cannot replace a supported remediation lifecycle.

D:

Commercial acceptance is not evidence of trusted software maintenance.

Question 580

A payment API concatenates a customer-supplied account number into a SQL query. A crafted value changes the WHERE clause and returns another customer’s transaction history. What engineering fix is BEST?

  1. Escape single quotes manually and continue concatenating every request value into SQL text.
  2. Hide the account-number field from the web page while leaving the API query unchanged.
  3. Use prepared statements with bound data parameters and separate server-side ownership authorization for the requested account.
  4. Give the database account administrative rights to avoid queries failing under attack.

Explanation

Correct Answer

C:

Binding values keeps untrusted input out of SQL grammar. It does not itself prevent a valid but unauthorized account ID, so resource authorization remains essential.

Incorrect Answers

A:

Manual escaping is dialect-sensitive and brittle; parameters are the primary defense against values becoming executable syntax.

B:

An attacker can call the API directly, so client-side visibility does not prevent SQL injection or cross-account reads.

D:

Excessive database privileges amplify harm and do not prevent injected syntax.

Certified Information Systems Security Professional (CISSP) Practice Tests

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