Common Weakness Enumeration

CWE-94

Weakness Allowed-with-Review

Improper Control of Generation of Code

Abstraction: Base · Status: Draft

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Mapping guidance

This entry is frequently misused for vulnerabilities with a technical impact of "code execution," which does not by itself indicate a root cause weakness, since dozens of weaknesses can enable code execution.

This weakness only applies when the product's functionality intentionally constructs all or part of a code segment. It could be that executing code could be the result of other weaknesses that do not involve the construction of code segments.

Relationships and members
ChildOf: CWE-74 · View CWE-1000
ChildOf: CWE-74 · View CWE-1003
ChildOf: CWE-913 · View CWE-1000
Modes of introduction
Implementation

REALIZATION: This weakness is caused during implementation of an architectural security tactic.

Detection methods

Automated Static Analysis

Automated static analysis, commonly referred to as Static Application Security Testing (SAST), can find some instances of this weakness by analyzing source code (or binary/compiled code) without having to execute it. Typically, this is done by building a model of data flow and control flow, then searching for potentially-vulnerable patterns that connect "sources" (origins of input) with "sinks" (destinations where the data interacts with external components, a lower layer such as the OS, etc.)

Effectiveness: High

Notes

Theoretical

Injection problems encompass a wide variety of issues -- all mitigated in very different ways. For this reason, the most effective way to discuss these weaknesses is to note the distinct features that classify them as injection weaknesses. The most important issue to note is that all injection problems share one thing in common -- i.e., they allow for the injection of control plane data into the user-controlled data plane. This means that the execution of the process may be altered by sending code in through legitimate data channels, using no other mechanism. While buffer overflows, and many other flaws, involve the use of some further issue to gain execution, injection problems need only for the data to be parsed. The most classic instantiations of this category of weakness are SQL injection and format string vulnerabilities.

Content history
Submission: PLOVER · 2006-07-19 · CWE Draft 3
Contribution: "Mapping CWE to 62443" Sub-Working Group · CWE-CAPEC ICS/OT SIG · 2023-06-29 · CWE 4.12

Suggested mappings to ISA/IEC 62443.

Contribution: Abhi Balakrishnan · 2024-02-29 · CWE 4.17

Contributed usability diagram concepts used by the CWE team.

Contribution: Matthew A. Pagan · Spectrum · 2025-08-22 · CWE 4.19

Discovered a syntax issue in the Python3 demox (DX-156) and suggested a fix

Modification: Eric Dalci · Cigital · 2008-07-01 · CWE 1.0

updated Time_of_Introduction

Modification: CWE Content Team · MITRE · 2008-09-08 · CWE 1.0

updated Applicable_Platforms, Relationships, Research_Gaps, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2009-01-12 · CWE 1.2

updated Common_Consequences, Demonstrative_Examples, Description, Likelihood_of_Exploit, Name, Potential_Mitigations, Relationships

Modification: CWE Content Team · MITRE · 2009-03-10 · CWE 1.3

updated Potential_Mitigations

Modification: CWE Content Team · MITRE · 2009-05-27 · CWE 1.4

updated Demonstrative_Examples, Name

Modification: CWE Content Team · MITRE · 2010-02-16 · CWE 1.8

updated Potential_Mitigations

Modification: CWE Content Team · MITRE · 2010-06-21 · CWE 1.9

updated Description, Potential_Mitigations

Modification: CWE Content Team · MITRE · 2011-03-29 · CWE 1.12

updated Name

Modification: CWE Content Team · MITRE · 2011-06-01 · CWE 1.13

updated Common_Consequences

Modification: CWE Content Team · MITRE · 2012-05-11 · CWE 2.2

updated Common_Consequences, Demonstrative_Examples, Observed_Examples, References, Relationships

Modification: CWE Content Team · MITRE · 2012-10-30 · CWE 2.3

updated Potential_Mitigations

Modification: CWE Content Team · MITRE · 2013-02-21 · CWE 2.4

updated Relationships

Modification: CWE Content Team · MITRE · 2014-07-30 · CWE 2.8

updated Relationships

Modification: CWE Content Team · MITRE · 2015-12-07 · CWE 2.9

updated Relationships

Modification: CWE Content Team · MITRE · 2017-11-08 · CWE 3.0

updated Demonstrative_Examples, Modes_of_Introduction, Relationships

Modification: CWE Content Team · MITRE · 2019-06-20 · CWE 3.3

updated Related_Attack_Patterns, Type

Modification: CWE Content Team · MITRE · 2019-09-19 · CWE 3.4

updated Relationships

Modification: CWE Content Team · MITRE · 2020-02-24 · CWE 4.0

updated Potential_Mitigations, Relationships

Modification: CWE Content Team · MITRE · 2020-06-25 · CWE 4.1

updated Potential_Mitigations

Modification: CWE Content Team · MITRE · 2020-08-20 · CWE 4.2

updated Relationships

Modification: CWE Content Team · MITRE · 2021-03-15 · CWE 4.4

updated Demonstrative_Examples

Modification: CWE Content Team · MITRE · 2021-07-20 · CWE 4.5

updated Relationships

Modification: CWE Content Team · MITRE · 2021-10-28 · CWE 4.6

updated Relationships

Modification: CWE Content Team · MITRE · 2022-04-28 · CWE 4.7

updated Research_Gaps

Modification: CWE Content Team · MITRE · 2022-06-28 · CWE 4.8

updated Observed_Examples, Relationships

Modification: CWE Content Team · MITRE · 2022-10-13 · CWE 4.9

updated Observed_Examples

Modification: CWE Content Team · MITRE · 2023-01-31 · CWE 4.10

updated Demonstrative_Examples, Description, Potential_Mitigations, Relationships

Modification: CWE Content Team · MITRE · 2023-04-27 · CWE 4.11

updated Demonstrative_Examples, Detection_Factors, Relationships, Time_of_Introduction

Modification: CWE Content Team · MITRE · 2023-06-29 · CWE 4.12

updated Mapping_Notes, Relationships, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2024-02-29 · CWE 4.14

updated Demonstrative_Examples, Potential_Mitigations, References

Modification: CWE Content Team · MITRE · 2024-07-16 · CWE 4.15

updated Applicable_Platforms, Observed_Examples

Modification: CWE Content Team · MITRE · 2024-11-19 · CWE 4.16

updated Mapping_Notes, Relationships

Modification: CWE Content Team · MITRE · 2025-04-03 · CWE 4.17

updated Alternate_Terms, Common_Consequences, Description, Diagram, Theoretical_Notes

Modification: CWE Content Team · MITRE · 2025-12-11 · CWE 4.19

updated Demonstrative_Examples, Relationships, Weakness_Ordinalities

Modification: CWE Content Team · MITRE · 2026-04-30 · CWE 4.20

updated Potential_Mitigations, Relationships

Modification: CWE Content Team · MITRE · 2026-10-28 · CWE 5.0

updated Applicable_Platforms, Name

9796 vulnerabilities reference this CWE, most recent first.

CVE-2026-122190 (GCVE-0-2026-122190)

Vulnerability from cvelistv5 – Published: 2026-11-05 03:15 – Updated: 2026-11-05 03:15 X_Freeware
VLAI
Title
SourceCodester Online Food Ordering System Category Management add_category.php cross site scripting
Summary
A vulnerability was found in SourceCodester Online Food Ordering System 1.0. The impacted element is an unknown function of the file admin/add_category.php of the component Category Management. Performing a manipulation of the argument category_title results in cross site scripting. The attack may be initiated remotely. The exploit has been made public and could be used.
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3825 records in the last 180 days details
References
Impacted products
Vendor Product Version
SourceCodester Online Food Ordering System Affected: 1.0
    cpe:2.3:a:sourcecodester:online_food_ordering_system:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-122014 (GCVE-0-2026-122014)

Vulnerability from cvelistv5 – Published: 2026-11-04 21:00 – Updated: 2026-11-04 21:18
VLAI
Title
NPC-Worldwide npcpy sft.py load_sft_model code injection
Summary
A vulnerability has been found in NPC-Worldwide npcpy up to 2.1.27. This affects the function load_sft_model of the file npcpy/ft/sft.py. The manipulation of the argument base_model_name_or_path leads to code injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
AdVISE TEST Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 21:09 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3825 records in the last 180 days details
Impacted products
Vendor Product Version
NPC-Worldwide npcpy Affected: 2.1.0
Affected: 2.1.1
Affected: 2.1.2
Affected: 2.1.3
Affected: 2.1.4
Affected: 2.1.5
Affected: 2.1.6
Affected: 2.1.7
Affected: 2.1.8
Affected: 2.1.9
Affected: 2.1.10
Affected: 2.1.11
Affected: 2.1.12
Affected: 2.1.13
Affected: 2.1.14
Affected: 2.1.15
Affected: 2.1.16
Affected: 2.1.17
Affected: 2.1.18
Affected: 2.1.19
Affected: 2.1.20
Affected: 2.1.21
Affected: 2.1.22
Affected: 2.1.23
Affected: 2.1.24
Affected: 2.1.25
Affected: 2.1.26
Affected: 2.1.27
    cpe:2.3:a:npc-worldwide:npcpy:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-121929 (GCVE-0-2026-121929)

Vulnerability from cvelistv5 – Published: 2026-11-04 18:15 – Updated: 2026-11-04 18:15
VLAI
Title
EmpireSoft EmpireCMS index.php cross site scripting
Summary
A security flaw has been discovered in EmpireSoft EmpireCMS up to 8.0. Impacted is an unknown function of the file /e/member/mspace/index.php. The manipulation of the argument spacename results in cross site scripting. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3825 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/431041 vdb-entrytechnical-description
https://vuldb.com/vuln/431041/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-121929 third-party-advisory
https://vuldb.com/submit/1023353 third-party-advisory
Impacted products
Vendor Product Version
EmpireSoft EmpireCMS Affected: 8.0
    cpe:2.3:a:empiresoft:empirecms:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-121928 (GCVE-0-2026-121928)

Vulnerability from cvelistv5 – Published: 2026-11-04 18:00 – Updated: 2026-11-04 18:00 X_Open Source
VLAI
Title
InfiniFlow RAGFlow Images API file_utils.py cross site scripting
Summary
A vulnerability was identified in InfiniFlow RAGFlow up to 0.27.2. This issue affects some unknown processing of the file api/utils/file_utils.py of the component Images API. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. Upgrading to version 0.27.3 is capable of addressing this issue. The identifier of the patch is 9ea0246f8d453a144fb4f903d163b2ba6b91ed2c. Upgrading the affected component is advised.
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3825 records in the last 180 days details
Impacted products
Vendor Product Version
InfiniFlow RAGFlow Affected: 0.27.0
Affected: 0.27.1
Affected: 0.27.2
Unaffected: 0.27.3
    cpe:2.3:a:infiniflow:ragflow:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-121428 (GCVE-0-2026-121428)

Vulnerability from cvelistv5 – Published: 2026-11-03 14:28 – Updated: 2026-11-03 18:29
VLAI
Title
AzuraCast through 0.23.8 RCE via Supervisor Configuration Injection in Timezone
Summary
AzuraCast through 0.23.8 contains a remote code execution vulnerability that allows authenticated station managers to inject Supervisor configuration through the station timezone field. Attackers can submit a timezone containing newlines to the profile edit API, defining a new Supervisor program that executes OS commands as root when configuration regenerates.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-03 17:48 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 7402 records in the last 180 days details
References
Impacted products
Vendor Product Version
AzuraCast AzuraCast Affected: 0 , ≤ 0.23.8 (semver)
    cpe:2.3:a:azuracast:azuracast:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-18 00:00
Credits
Show details on NVD website

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CVE-2026-121260 (GCVE-0-2026-121260)

Vulnerability from cvelistv5 – Published: 2026-11-03 15:30 – Updated: 2026-11-03 16:37
VLAI
Title
Ziroom ZHOME A0101 Lua zrUsb.lua loadstring code injection
Summary
A flaw has been found in Ziroom ZHOME A0101 1.0.1.0 Build 202004151405. This issue affects the function loadstring of the file usr/lib/lua/luci/controller/api/zrUsb.lua of the component Lua Handler. This manipulation causes code injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-03 16:36 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3825 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/430226 vdb-entrytechnical-description
https://vuldb.com/vuln/430226/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-121260 third-party-advisory
https://vuldb.com/submit/1018328 third-party-advisory
https://github.com/Wlz1112/ZHOME_A0101/blob/main/… exploit
Impacted products
Vendor Product Version
Ziroom ZHOME A0101 Affected: 1.0.1.0 Build 202004151405
    cpe:2.3:a:ziroom:zhome_a0101:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-120597 (GCVE-0-2026-120597)

Vulnerability from cvelistv5 – Published: 2026-11-02 22:30 – Updated: 2026-11-03 18:33
VLAI
Title
Welcart e-Commerce Plugin paymentESCOTT.main.class.php error_page_message cross site scripting
Summary
A vulnerability was identified in Welcart e-Commerce Plugin up to 2.12.6 on WordPress. This affects the function ESCOTT_MAIN::error_page_message of the file classes/paymentESCOTT.main.class.php. Such manipulation of the argument ResponseCd leads to cross site scripting. The attack can be launched remotely. The exploit is publicly available and might be used. Upgrading to version 2.12.7 mitigates this issue. It is recommended to upgrade the affected component. The value is now escaped with esc_html() before output. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-03 17:56 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3825 records in the last 180 days details
References
Impacted products
Vendor Product Version
Welcart e-Commerce Plugin Affected: 2.12.0
Affected: 2.12.1
Affected: 2.12.2
Affected: 2.12.3
Affected: 2.12.4
Affected: 2.12.5
Affected: 2.12.6
Unaffected: 2.12.7
    cpe:2.3:a:welcart:e-commerce_plugin:*:*:*:*:*:*:*:*
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Show details on NVD website

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CVE-2026-120349 (GCVE-0-2026-120349)

Vulnerability from cvelistv5 – Published: 2026-11-02 06:00 – Updated: 2026-11-02 14:07
VLAI
Title
dayrui XunRuiCMS Mobile Site Directory index.php str_replace code injection
Summary
A security flaw has been discovered in dayrui XunRuiCMS up to 4.7.4. Affected by this issue is the function str_replace of the file /var/www/html/zzmob/index.php of the component Mobile Site Directory. The manipulation of the argument dirname results in code injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 14:07 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3825 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/429673 vdb-entrytechnical-description
https://vuldb.com/vuln/429673/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-120349 third-party-advisory
https://vuldb.com/submit/1016299 third-party-advisory
https://github.com/tiranbge/disclosure-xunruicms-… exploit
Impacted products
Vendor Product Version
dayrui XunRuiCMS Affected: 4.7.0
Affected: 4.7.1
Affected: 4.7.2
Affected: 4.7.3
Affected: 4.7.4
    cpe:2.3:a:xunruicms:xunruicms:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-120348 (GCVE-0-2026-120348)

Vulnerability from cvelistv5 – Published: 2026-11-02 05:45 – Updated: 2026-11-02 17:36
VLAI
Title
dayrui XunRuiCMS Email Template Rendering Notice.php _get_tpl_content code injection
Summary
A vulnerability was identified in dayrui XunRuiCMS up to 4.7.4. Affected by this vulnerability is the function _get_tpl_content of the file dayrui/Fcms/Library/Notice.php of the component Email Template Rendering. The manipulation leads to code injection. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 17:17 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3825 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/429672 vdb-entrytechnical-description
https://vuldb.com/vuln/429672/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-120348 third-party-advisory
https://vuldb.com/submit/1016298 third-party-advisory
https://github.com/tiranbge/disclosure-xunruicms-… exploit
Impacted products
Vendor Product Version
dayrui XunRuiCMS Affected: 4.7.0
Affected: 4.7.1
Affected: 4.7.2
Affected: 4.7.3
Affected: 4.7.4
    cpe:2.3:a:xunruicms:xunruicms:*:*:*:*:*:*:*:*
Create a notification for this product.
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CVE-2026-120343 (GCVE-0-2026-120343)

Vulnerability from cvelistv5 – Published: 2026-11-02 04:45 – Updated: 2026-11-02 17:37
VLAI
Title
mathurvishal CloudClassroom-PHP-Project manageassessment2.php cross site scripting
Summary
A flaw has been found in mathurvishal CloudClassroom-PHP-Project. The impacted element is an unknown function of the file manageassessment2.php. This manipulation of the argument ExamName/Q1/Q2/Q3/Q4/Q5 causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been published and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 17:17 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3825 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/429668 vdb-entrytechnical-description
https://vuldb.com/vuln/429668/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-120343 third-party-advisory
https://vuldb.com/submit/1017562 third-party-advisory
https://github.com/capivara-research/manageassess… exploit
Impacted products
Vendor Product Version
mathurvishal CloudClassroom-PHP-Project Affected: 5dadec098bfbbf3300d60c3494db3fb95b66e7be
Affected: c46ce5736007d9d6e51a8feeb9250729fe85f139
Affected: dae0c5961a35a4faf28cde9e02117538f09f81c1
    cpe:2.3:a:mathurvishal:cloudclassroom-php-project:*:*:*:*:*:*:*:*
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Mitigation
Architecture and Design

Strategy: Refactoring

Refactor your program so that you do not have to dynamically generate code.

Mitigation
Architecture and Design
  • Run your code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which code can be executed by your product.
  • Examples include the Unix chroot jail and AppArmor. In general, managed code may provide some protection.
  • This may not be a feasible solution, and it only limits the impact to the operating system; the rest of your application may still be subject to compromise.
  • Be careful to avoid CWE-243 and other weaknesses related to jails.
Mitigation MIT-5
Implementation

Strategy: Input Validation

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
  • To reduce the likelihood of code injection, use stringent allowlists that limit which constructs are allowed. If you are dynamically constructing code that invokes a function, then verifying that the input is alphanumeric might be insufficient. An attacker might still be able to reference a dangerous function that you did not intend to allow, such as system(), exec(), or exit().
Mitigation
Testing

Use dynamic tools and techniques that interact with the product using large test suites with many diverse inputs, such as fuzz testing (fuzzing), robustness testing, and fault injection. The product's operation may slow down, but it should not become unstable, crash, or generate incorrect results.

Mitigation MIT-32
Operation

Strategy: Compilation or Build Hardening

Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).

Mitigation MIT-32
Operation

Strategy: Environment Hardening

Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).

Mitigation
Implementation

For Python programs, it is frequently encouraged to use the ast.literal_eval() function instead of eval, since it is intentionally designed to avoid executing code. However, an adversary could still cause excessive memory or stack consumption via deeply nested structures [REF-1372], so the python documentation discourages use of ast.literal_eval() on untrusted data [REF-1373].

CAPEC-242: Code Injection

An adversary exploits a weakness in input validation on the target to inject new code into that which is currently executing. This differs from code inclusion in that code inclusion involves the addition or replacement of a reference to a code file, which is subsequently loaded by the target and used as part of the code of some application.

CAPEC-35: Leverage Executable Code in Non-Executable Files

An attack of this type exploits a system's trust in configuration and resource files. When the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high.

CAPEC-77: Manipulating User-Controlled Variables

This attack targets user controlled variables (DEBUG=1, PHP Globals, and So Forth). An adversary can override variables leveraging user-supplied, untrusted query variables directly used on the application server without any data sanitization. In extreme cases, the adversary can change variables controlling the business logic of the application. For instance, in languages like PHP, a number of poorly set default configurations may allow the user to override variables.