Common Weakness Enumeration

CWE-125

Allowed

Out-of-bounds Read

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product reads data past the end, or before the beginning, of the intended buffer.

11369 vulnerabilities reference this CWE, most recent first.

CVE-2021-34315 (GCVE-0-2021-34315)

Vulnerability from cvelistv5 – Published: 2021-07-13 11:03 – Updated: 2024-08-04 00:05
VLAI
Summary
A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The BMP_loader.dll library in affected applications lacks proper validation of user-supplied data when parsing SGI files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13356)
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
Siemens JT2Go Affected: All versions < V13.2
Create a notification for this product.
Siemens Teamcenter Visualization Affected: All versions < V13.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-34296 (GCVE-0-2021-34296)

Vulnerability from cvelistv5 – Published: 2021-07-13 11:03 – Updated: 2024-08-04 00:05
VLAI
Summary
A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The BMP_Loader.dll library in affected applications lacks proper validation of user-supplied data when parsing BMP files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13057)
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
Siemens JT2Go Affected: All versions < V13.2
Create a notification for this product.
Siemens Teamcenter Visualization Affected: All versions < V13.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-34294 (GCVE-0-2021-34294)

Vulnerability from cvelistv5 – Published: 2021-07-13 11:03 – Updated: 2024-08-04 00:05
VLAI
Summary
A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The Gif_loader.dll library in affected applications lacks proper validation of user-supplied data when parsing GIF files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13023
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
Siemens JT2Go Affected: All versions < V13.2
Create a notification for this product.
Siemens Teamcenter Visualization Affected: All versions < V13.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-34292 (GCVE-0-2021-34292)

Vulnerability from cvelistv5 – Published: 2021-07-13 11:03 – Updated: 2024-08-04 00:05
VLAI
Summary
A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The Tiff_loader.dll library in affected applications lacks proper validation of user-supplied data when parsing TIFF files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12959)
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
Siemens JT2Go Affected: All versions < V13.2
Create a notification for this product.
Siemens Teamcenter Visualization Affected: All versions < V13.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-33738 (GCVE-0-2021-33738)

Vulnerability from cvelistv5 – Published: 2021-08-10 10:35 – Updated: 2024-08-03 23:58
VLAI
Summary
A vulnerability has been identified in JT2Go (All versions < V13.2.0.2), Teamcenter Visualization (All versions < V13.2.0.2). The plmxmlAdapterSE70.dll library in affected applications lacks proper validation of user-supplied data when parsing PAR files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information in the context of the current process. (ZDI-CAN-13405)
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
Siemens JT2Go Affected: All versions < V13.2.0.2
Create a notification for this product.
Siemens Teamcenter Visualization Affected: All versions < V13.2.0.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-33650 (GCVE-0-2021-33650)

Vulnerability from cvelistv5 – Published: 2022-06-27 16:24 – Updated: 2024-08-03 23:58
VLAI
Summary
When performing the inference shape operation of the SparseToDense operator, if the number of inputs is less than three, it will access data outside of bounds of inputs which allocated from heap buffers.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a openEuler:mindspore Affected: >= 1.2.0, < 1.3.0
Show details on NVD website
To clipboard 

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CVE-2021-33649 (GCVE-0-2021-33649)

Vulnerability from cvelistv5 – Published: 2022-06-27 16:20 – Updated: 2024-08-03 23:58
VLAI
Summary
When performing the inference shape operation of the Transpose operator, if the value in the perm element is greater than or equal to the size of the input_shape, it will access data outside of bounds of input_shape which allocated from heap buffers.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a openEuler:mindspore Affected: >= 0.7.0-beta, < 1.3.0
Show details on NVD website
To clipboard 

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CVE-2021-33648 (GCVE-0-2021-33648)

Vulnerability from cvelistv5 – Published: 2022-06-27 16:17 – Updated: 2024-08-03 23:58
VLAI
Summary
When performing the inference shape operation of Affine, Concat, MatMul, ArgMinMax, EmbeddingLookup, and Gather operators, if the input shape size is 0, it will access data outside of bounds of shape which allocated from heap buffers.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a openEuler:mindspore Affected: >= 1.1.0, < 1.3.0
Show details on NVD website
To clipboard 

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CVE-2021-33644 (GCVE-0-2021-33644)

Vulnerability from cvelistv5 – Published: 2022-08-09 00:00 – Updated: 2025-11-03 20:33
VLAI
Summary
An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longname, causing an out-of-bounds read.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a libtar Affected: <1.2.21
Show details on NVD website
To clipboard 

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CVE-2021-33643 (GCVE-0-2021-33643)

Vulnerability from cvelistv5 – Published: 2022-08-09 00:00 – Updated: 2026-06-23 14:42
VLAI
Summary
An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a libtar Affected: <1.2.21
Show details on NVD website
To clipboard 

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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 introducing an out-of-bounds read, ensure that you validate and ensure correct calculations for any length argument, buffer size calculation, or offset. Be especially careful of relying on a sentinel (i.e. special character such as NUL) in untrusted inputs.
Mitigation
Architecture and Design

Strategy: Language Selection

Use a language that provides appropriate memory abstractions.

CAPEC-540: Overread Buffers

An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.

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