OVSTA
Consultant's Source Code Test Report
ES&S EVS 6.3.0.2
Read the report at Election Systems and Software (ES&S) ↗
Election Systems & Software
EVS 6.3.0.2 Voting System
Source Code Review Test Report
for
California Secretary of State
CAF-ESS22002-SCRTR-01
Vendor Name Election Systems & Software (ES&S)
Vendor System EVS 6.3.0.2
Prepared by:
SLI ComplianceSM
4720 Independence St.
Wheat Ridge, CO 80033
303-422-1566
www.SLICompliance.com
Accredited by the Election Assistance Commission (EAC) for VSTL status.
Election Systems and Software
EVS 6.3.0.2
California Certification
Software Test Report v1.0
Copyright © 2022 by SLI ComplianceSM, a Division of Gaming Laboratories International, LLC
Revision History
Date Version Author Revision Summary
November 30, 2022 1.0 M. Santos Initial Release
Disclaimer
The information reported herein must not be used by the client to claim product
certification, approval, or endorsement by NVLAP, NIST, or any agency of the Federal
Government.
Trademarks
• SLI is a registered trademark of SLI Compliance.
• All products and company names are used for identification purposes only and
may be trademarks of their respective owners.
Opinions and Interpretations
There are no SLI opinions or interpretations included in this report.
This document shall not be reproduced outside of SLI Compliance without written
consent.
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TABLE OF CONTENTS
INTRODUCTION ........................................................................................................................................... 4
REFERENCES .............................................................................................................................................. 4
SYSTEM OVERVIEW ................................................................................................................................... 4
VOTING SYSTEM SCOPE ............................................................................................................................... 4
REVIEW SPECIFICATIONS ......................................................................................................................... 5
SOURCE CODE REVIEW ............................................................................................................................... 5
REVIEW RESULTS ...................................................................................................................................... 7
DISCREPANCIES ........................................................................................................................................... 7
VULNERABILITIES ......................................................................................................................................... 8
FINAL REPORT .......................................................................................................................................... 10
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Introduction
This report outlines the test approach SLI Compliance (SLI) followed when performing
Software Testing on the Election Systems & Software EVS 6.3.0.2 (ES&S EVS
6.3.0.2) voting system against the California Voting System Standards (CVSS).
References
California Voting System Standards (CVSS)
System Overview
Voting System Scope
This section provides a description of the ES&S EVS 6.3.0.2 voting system
components:
• Precinct Scanners
• Central Scanners
• CoRE
• Electionware Next
• Electionware (EMS)
• Scanner_C8051
• ImageUtil
• libCoNG
• PowerManagement
The ES&S EVS 6.3.0.2 Election Management System (Electionware, PaperBallot,
ImageUtil, libCoNG) represents a set of N-Tier software applications [Election
Management System (EMS), Results Tally and Reporting (RTR), and Adjudication] for
pre-voting and post-voting election project activities that are applicable to jurisdictions of
various sizes and geo-political complexities.
The ES&S EVS 6.3.0.2 Central Scanners (DS450, DS850, DS950, Scanner C8051) are
central, high-speed, optical scan ballot counters (tabulators) and are used for
processing absentee ballots (such as vote by mail). These ballot counter units are
based on commercial-off-the-shelf (COTS) hardware coupled with custom-made ballot
processing application software. They are used for high-speed, accurate, and reliable
centralized scanning and counting of paper ballots.
The ES&S EVS 6.3.0.2 Precinct Scanner (DS200, DS300, PowerManagement) system
employs a precinct-level optical scan ballot counter (tabulator) in conjunction with an
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external ballot box. This tabulator is designed to scan paper ballots, interpret voting
marks, and deposit the ballots into the secure ballot box.
Review Specifications
The following are the specifications for source code testing conducted on the ES&S
6.3.0.2 voting system.
Source Code Review
The ES&S EVS 6.3.0.2 voting system includes proprietary software and firmware. The
ES&S EVS 6.3.0.2 voting system code base was tested to the applicable CVSS
requirements.
Review of the code included:
• Adherence to the applicable standards in sections 5 and 7 of the CVSS.
• Adherence to other applicable coding format conventions and standards
including best practices for the coding language used.
o ESSSYS_1’0_P_CodingStandards.pdf1
• Analysis of the program logic and branching structure.
• Evaluate whether the system is designed in a way that allows meaningful
analysis, including:
o Whether the architecture and code are amenable to an external review.
o Whether code analysis tools can be usefully applied.
o Whether the code complexity is at a level that obfuscates its logic.
Security considerations reviewed against the code base included:
• Search for exposures to commonly exploited vulnerabilities.
• Evaluate the use and correct implementation of cryptography and key
management.
• Analysis of error and exception handling.
• Evaluate the likelihood of security failures being detected:
o Evaluate whether audit mechanisms are reliable and tamper resistant.
o Evaluate whether data that might be subject to tampering is properly validated
and authenticated.
1 This is the standard selected and provided by ES&S that is used in development as allowed by the
CVSS Requirements
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• Evaluate the risk that a user can escalate his or her capabilities beyond those
authorized.
• Evaluate the design and implementation to ensure that sound, generally
accepted engineering practices are followed, checking to verify that code is
defensively written against:
o Bad data.
o Errors in other modules.
o Changes in environment.
o User errors.
o Other adverse conditions.
• Evaluate for embedded, exploitable code (such as “Easter eggs”) that can be
triggered to affect the system.
• Evaluate the code for dynamic memory access features which would permit the
replacement of certificated executable code or control data or insertion of
exploitable code or data.
• Evaluate the code for use of runtime scripts, instructions, or other control data
that can affect the operation of security relevant functions or the integrity of the
data.
Components and coding languages involved in ES&S EVS 6.3.0.2 applications are
shown in Table 1.
Table 1 – ES&S EVS 6.3.0.2 Components
Lines of
Component Language/s Standard
Code
Central Scanners C/C++ 520,182 ESSSYS_1’0_P_CodingStandards.pdf
Precinct Scanners C/C++, Java 507,180 ESSSYS_1’0_P_CodingStandards.pdf
C/C++,
CoRE 488,604 ESSSYS_1’0_P_CodingStandards.pdf
TypeScript
libCoNG C/C++ 301,844 ESSSYS_1’0_P_CodingStandards.pdf
PowerMangament C/C++ 16,781 ESSSYS_1’0_P_CodingStandards.pdf
ImageUtil C/C++ 3,612 ESSSYS_1’0_P_CodingStandards.pdf
Scanner C8051 C/C++ 19,398 ESSSYS_1’0_P_CodingStandards.pdf
C#,
ElectionwareNext 9,122 ESSSYS_1’0_P_CodingStandards.pdf
TypeScript
PaperBallot C/C++ 531,426 ESSSYS_1’0_P_CodingStandards.pdf
Electionware Java, SQL 1,044,954 ESSSYS_1’0_P_CodingStandards.pdf
Source Code Review Tools utilized by SLI included:
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• Module Finder: an SLI proprietary application used to parse module names from
C/C++, Java and VB code and populate the identified module names into the
review documents.
• Understand: a commercial application used to review code to stated
requirements.
Review Results
Discrepancies
Discrepancies are reported such that the California Secretary of State is provided with a
basis for evaluating the extent to which the source code meets applicable standards.
Electionware source code review
No source code requirements were found to be an issue within the Electionware source
code base reviewed; as a result, no discrepancies were written against the code base.
PaperBallot source code review
No source code requirements were found to be an issue within the Electionware
PaperBallot source code base reviewed; as a result, no discrepancies were written
against the code base.
Central Scanners source code review
No source code requirements were found to be an issue within the Central Scanners
source code base reviewed; as a result, no discrepancies were written against the code
base.
Precinct Scanners source code review
No source code requirements were found to be at issue within the Precinct Scanners
source code base reviewed; as a result, no discrepancies were written against the code
base.
ImageUtil source code review
No source code requirements were found to be at issue within the ImageUtil source
code base reviewed; as a result, no discrepancies were written against the code base.
libCoNG source code review
No source code requirements were found to be at issue within the libCoNG source code
base reviewed, as a result; no discrepancies were written against the code base.
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PowerManagement source code review
No source code requirements were found to be at issue within the PowerManagement
source code base reviewed; as a result, no discrepancies were written against the code
base.
CoRE source code review
No source code requirements were found to be at issue within the CoRE source code
base reviewed; as a result, no discrepancies were written against the code base.
ElectionwareNext source code review
No source code requirements were found to be at issue within the ElectionwareNext
source code base reviewed; as a result, no discrepancies were written against the code
base.
Scanner C8051 source code review
No source code requirements were found to be at issue within the Scanner C8051
source code base reviewed; as a result, no discrepancies were written against the code
base.
Vulnerabilities
For any vulnerabilities discovered, SLI was tasked with identifying the particular
standards applicable to each vulnerability.
To the extent possible, reported vulnerabilities include an indication of whether the
exploitation of the vulnerability would require access by:
• Voter: Usually has low knowledge of the voting machine design and
configuration. Some may have more advanced knowledge. May carry out attacks
designed by others. They have access to the machine(s) for less than an hour.
• Poll worker: Usually has low knowledge of the voting machine design and
configuration. Some may have more advanced knowledge. May carry out attacks
designed by others. They have access to the machine(s) for up to one week, but
all physical security has been put into place before the machines are received.
• Elections official insider: Has a wide range of knowledge of the voting machine
design and configuration. May have unrestricted access to the machine for long
periods of time. Their designated activities include:
o Set up and pre-election procedures.
o Election operation.
o Post-election processing of results.
o Archiving and storage operations.
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• Vendor insider: Has great knowledge of the voting machine design and
configuration. They have unlimited access to the machine before it is delivered to
the purchaser and, thereafter, may have unrestricted access when performing
warranty and maintenance service, and when providing election administration
services.
SLI will not verify or demonstrate exploitability of the vulnerability, but the report of the
vulnerability will identify factors involved in the exploitation.
Any vulnerability theories developed by the source code review team members shall, to
the extent possible, be referred to Secretary of State staff.
Electionware source code vulnerability review
No vulnerabilities were found were found within the Electionware source code base
reviewed.
PaperBallot source code vulnerability review
No vulnerabilities were found within the PaperBallot source code base reviewed.
Precinct Scanners source code vulnerability review
No vulnerabilities were found within the Precinct Scanners source code base reviewed.
Central Scanners source code vulnerability review
No vulnerabilities were found within the Central Scanners source code base reviewed.
ImageUtil source code vulnerability review
No vulnerabilities were found within the ImageUtil source code base reviewed.
libCoNG source code vulnerability review
No vulnerabilities were found within the libCoNG source code base reviewed.
PowerManagement source code vulnerability review
No vulnerabilities were found within the PowerManagement source code base
reviewed.
CoRE source code vulnerability review
No vulnerabilities were found within the CoRE source code base reviewed.
ElectionwareNext source code vulnerability review
No vulnerabilities were found within the ElectionwareNext source code base reviewed.
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Scanner C8051 source code vulnerability review
No vulnerabilities were found within the Scanner C8051 source code base reviewed.
Final Report
No discrepancy findings were located within the ES&S EVS 6.3.0.2 code base.
No potential vulnerabilities were identified within the ES&S EVS 6.3.0.2 code base.
As per the direction given by the California Secretary of State, this software testing
report does not include any recommendation as to whether or not the system should be
approved.
End of Software Test Report
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