CWE - CWE-1269: Product Released in Non-Release Configuration (4.16)

Weakness ID: 1269

Vulnerability Mapping: ALLOWED This CWE ID may be used to map to real-world vulnerabilities
Abstraction: Base Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.

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Description

The product released to market is released in pre-production or manufacturing configuration.

Extended Description

Products in the pre-production or manufacturing stages are configured to have many debug hooks and debug capabilities, including but not limited to:

Ability to override/bypass various cryptographic checks (including authentication, authorization, and integrity)
Ability to read/write/modify/dump internal state (including registers and memory)
Ability to change system configurations
Ability to run hidden or private commands that are not allowed during production (as they expose IP).

The above is by no means an exhaustive list, but it alludes to the greater capability and the greater state of vulnerability of a product during it's preproduction or manufacturing state.

Complexity increases when multiple parties are involved in executing the tests before the final production version. For example, a chipmaker might fabricate a chip and run its own preproduction tests, following which the chip would be delivered to the Original Equipment Manufacturer (OEM), who would now run a second set of different preproduction tests on the same chip. Only after both of these sets of activities are complete, can the overall manufacturing phase be called "complete" and have the "Manufacturing Complete" fuse blown. However, if the OEM forgets to blow the Manufacturing Complete fuse, then the system remains in the manufacturing stage, rendering the system both exposed and vulnerable.

Common Consequences

This table specifies different individual consequences associated with the weakness. The Scope identifies the application security area that is violated, while the Impact describes the negative technical impact that arises if an adversary succeeds in exploiting this weakness. The Likelihood provides information about how likely the specific consequence is expected to be seen relative to the other consequences in the list. For example, there may be high likelihood that a weakness will be exploited to achieve a certain impact, but a low likelihood that it will be exploited to achieve a different impact.

Scope	Impact	Likelihood
Confidentiality Integrity Availability Access Control Accountability Authentication Authorization Non-Repudiation	Technical Impact: Other	High

Potential Mitigations

Phase: Implementation

Ensure that there exists a marker for denoting the Manufacturing Complete stage and that the Manufacturing Complete marker gets updated at the Manufacturing Complete stage (i.e., the Manufacturing Complete fuse gets blown).

Phase: Integration

Phase: Manufacturing

Relationships

This table shows the weaknesses and high level categories that are related to this weakness. These relationships are defined as ChildOf, ParentOf, MemberOf and give insight to similar items that may exist at higher and lower levels of abstraction. In addition, relationships such as PeerOf and CanAlsoBe are defined to show similar weaknesses that the user may want to explore.

Relevant to the view "Research Concepts" (CWE-1000)

Nature	Type	ID	Name
ChildOf	Pillar - a weakness that is the most abstract type of weakness and represents a theme for all class/base/variant weaknesses related to it. A Pillar is different from a Category as a Pillar is still technically a type of weakness that describes a mistake, while a Category represents a common characteristic used to group related things.	693	Protection Mechanism Failure

Relevant to the view "Hardware Design" (CWE-1194)

Nature	Type	ID	Name
MemberOf	Category - a CWE entry that contains a set of other entries that share a common characteristic.	1195	Manufacturing and Life Cycle Management Concerns

Modes Of Introduction

The different Modes of Introduction provide information about how and when this weakness may be introduced. The Phase identifies a point in the life cycle at which introduction may occur, while the Note provides a typical scenario related to introduction during the given phase.

Phase	Note
Implementation
Integration
Manufacturing

Applicable Platforms

This listing shows possible areas for which the given weakness could appear. These may be for specific named Languages, Operating Systems, Architectures, Paradigms, Technologies, or a class of such platforms. The platform is listed along with how frequently the given weakness appears for that instance.

Languages

VHDL (Undetermined Prevalence)

Verilog (Undetermined Prevalence)

Class: Compiled (Undetermined Prevalence)

Operating Systems

Class: Not OS-Specific (Undetermined Prevalence)

Architectures

Class: Not Architecture-Specific (Undetermined Prevalence)

Technologies

Other (Undetermined Prevalence)

Class: Not Technology-Specific (Undetermined Prevalence)

Demonstrative Examples

Example 1

This example shows what happens when a preproduction system is made available for production.

(bad code)

Suppose the chipmaker has a way of scanning all the internal memory (containing chipmaker-level secrets) during the manufacturing phase, and the way the chipmaker or the Original Equipment Manufacturer (OEM) marks the end of the manufacturing phase is by blowing a Manufacturing Complete fuse. Now, suppose that whoever blows the Manufacturing Complete fuse inadvertently forgets to execute the step to blow the fuse.

An attacker will now be able to scan all the internal memory (containing chipmaker-level secrets).

(good code)

Blow the Manufacturing Complete fuse.

Observed Examples

Reference

Description

CVE-2019-13945

Regarding SSA-686531, a hardware based manufacturing access on S7-1200 and S7-200 SMART has occurred. A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-200 SMART CPU family (All versions). There is an access mode used during manufacturing of S7-1200 CPUs that allows additional diagnostic functionality. The security vulnerability could be exploited by an attacker with physical access to the UART interface during boot process. At the time of advisory publication, no public exploitation of this security vulnerability was known.

CVE-2018-4251

Laptops with Intel chipsets were found to be running in Manufacturing Mode. After this information was reported to the OEM, the vulnerability (CVE-2018-4251) was patched disallowing access to the interface.

Memberships

This MemberOf Relationships table shows additional CWE Categories and Views that reference this weakness as a member. This information is often useful in understanding where a weakness fits within the context of external information sources.

Nature	Type	ID	Name
MemberOf	Category - a CWE entry that contains a set of other entries that share a common characteristic.	1413	Comprehensive Categorization: Protection Mechanism Failure

Vulnerability Mapping Notes

Usage: ALLOWED

(this CWE ID may be used to map to real-world vulnerabilities)

Reason: Acceptable-Use

Rationale:

This CWE entry is at the Base level of abstraction, which is a preferred level of abstraction for mapping to the root causes of vulnerabilities.

Comments:

Carefully read both the name and description to ensure that this mapping is an appropriate fit. Do not try to 'force' a mapping to a lower-level Base/Variant simply to comply with this preferred level of abstraction.

Related Attack Patterns

CAPEC-ID	Attack Pattern Name
CAPEC-439	Manipulation During Distribution

References

[REF-1103] Lucian Armasu. "Intel ME's Undocumented Manufacturing Mode Suggests CPU Hacking Risks". 2018-10-03. <https://www.tomshardware.com/news/intel-me-cpu-undocumented-manufacturing-mode,37883.html>.

Content History

Submissions
Submission Date	Submitter	Organization
2020-05-31 (CWE 4.1, 2020-02-24)	Arun Kanuparthi, Hareesh Khattri, Parbati Kumar Manna, Narasimha Kumar V Mangipudi	Intel Corporation
2020-05-31 (CWE 4.1, 2020-02-24)
Modifications
Modification Date	Modifier	Organization
2020-08-20	CWE Content Team	MITRE
2020-08-20	updated Description, Related_Attack_Patterns
2023-04-27	CWE Content Team	MITRE
2023-04-27	updated Relationships
2023-06-29	CWE Content Team	MITRE
2023-06-29	updated Mapping_Notes


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Common Weakness Enumeration

CWE-1269: Product Released in Non-Release Configuration

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