CWE-787

Out-of-bounds Write

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

CVE-2021-22555 (GCVE-0-2021-22555)

Vulnerability from cvelistv5 – Published: 2021-07-07 11:20 – Updated: 2025-12-30 20:32
VLAI
Title
Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE
Summary
A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space
Severity
8.3 (High)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Linux Kernel Affected: 2.6.19-rc1 , < unspecified (custom)
Date Public
2021-07-04 00:00
Credits
Andy Nguyen
Show details on NVD website
To clipboard 

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CVE-2021-22647 (GCVE-0-2021-22647)

Vulnerability from cvelistv5 – Published: 2021-02-23 03:13 – Updated: 2024-08-03 18:44
VLAI
Summary
Luxion KeyShot versions prior to 10.1, Luxion KeyShot Viewer versions prior to 10.1, Luxion KeyShot Network Rendering versions prior to 10.1, and Luxion KeyVR versions prior to 10.1 are vulnerable to multiple out-of-bounds write issues while processing project files, which may allow an attacker to execute arbitrary code.
Severity
No CVSS data available.
CWE
  • CWE-787 - OUT-OF-BOUNDS WRITE CWE-787
Assigner
References
Impacted products
Vendor Product Version
n/a Luxion KeyShot Affected: versions prior to 10.1
n/a Luxion KeyShot Viewer Affected: versions prior to 10.1
n/a Luxion KeyShot Network Rendering Affected: versions prior to 10.1
n/a Luxion KeyVR Affected: versions prior to 10.1
Show details on NVD website
To clipboard 

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CVE-2021-22653 (GCVE-0-2021-22653)

Vulnerability from cvelistv5 – Published: 2021-01-27 19:01 – Updated: 2024-08-03 18:51
VLAI
Summary
Multiple out-of-bounds write issues have been identified in the way the application processes project files, allowing an attacker to craft a special project file that may allow arbitrary code execution on the Tellus Lite V-Simulator and V-Server Lite (versions prior to 4.0.10.0).
Severity
No CVSS data available.
CWE
  • CWE-787 - OUT-OF-BOUNDS WRITE CWE-787
Assigner
References
Impacted products
Vendor Product Version
n/a Tellus Lite V-Simulator and V-Server Lite Affected: Versions prior to 4.0.10.0
Show details on NVD website
To clipboard 

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CVE-2021-22664 (GCVE-0-2021-22664)

Vulnerability from cvelistv5 – Published: 2021-04-27 12:26 – Updated: 2024-08-03 18:51
VLAI
Summary
CNCSoft-B Versions 1.0.0.3 and prior is vulnerable to an out-of-bounds write, which may allow an attacker to execute arbitrary code.
Severity
No CVSS data available.
CWE
  • CWE-787 - CVE-2021-22664: OUT-OF-BOUNDS WRITE CWE-787
Assigner
References
Impacted products
Vendor Product Version
n/a Delta Electronics CNCSoft-B Affected: CNCSoft-B Versions 1.0.0.3 and prior
Show details on NVD website
To clipboard 

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CVE-2021-22672 (GCVE-0-2021-22672)

Vulnerability from cvelistv5 – Published: 2021-05-10 12:29 – Updated: 2024-08-03 18:51
VLAI
Summary
Delta Electronics' CNCSoft ScreenEditor in versions prior to v1.01.30 could allow the corruption of data, a denial-of-service condition, or code execution. The vulnerability may allow an attacker to remotely execute arbitrary code.
Severity
No CVSS data available.
CWE
  • CWE-787 - OUT-OF-BOUNDS WRITE CWE-787
Assigner
References
Impacted products
Vendor Product Version
n/a Delta Electronics CNCSoft ScreenEditor Affected: CNCSoft ScreenEditor versions prior to v1.01.30
Show details on NVD website
To clipboard 

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CVE-2021-22683 (GCVE-0-2021-22683)

Vulnerability from cvelistv5 – Published: 2021-03-03 16:09 – Updated: 2024-08-03 18:51
VLAI
Summary
Fatek FvDesigner Version 1.5.76 and prior is vulnerable to an out-of-bounds write while processing project files, allowing an attacker to craft a special project file that may permit arbitrary code execution.
Severity
No CVSS data available.
CWE
  • CWE-787 - OUT-OF-BOUNDS WRITE CWE-787
Assigner
References
Impacted products
Vendor Product Version
n/a Fatek FvDesigner Affected: Version 1.5.76 and prior
Show details on NVD website
To clipboard 

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CVE-2021-22750 (GCVE-0-2021-22750)

Vulnerability from cvelistv5 – Published: 2021-06-11 15:40 – Updated: 2024-08-03 18:51
VLAI
Summary
A CWE-787: Out-of-bounds write vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21041 and prior that could result in loss of data or remote code execution due to missing length checks, when a malicious CGF file is imported to IGSS Definition.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a IGSS Definition (Def.exe) V15.0.0.21041 and prior Affected: IGSS Definition (Def.exe) V15.0.0.21041 and prior
Show details on NVD website
To clipboard 

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CVE-2021-22751 (GCVE-0-2021-22751)

Vulnerability from cvelistv5 – Published: 2021-06-11 15:40 – Updated: 2024-08-03 18:51
VLAI
Summary
A CWE-787: Out-of-bounds write vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in disclosure of information or execution of arbitrary code due to lack of input validation, when a malicious CGF (Configuration Group File) file is imported to IGSS Definition.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a IGSS Definition (Def.exe) V15.0.0.21140 and prior Affected: IGSS Definition (Def.exe) V15.0.0.21140 and prior
Show details on NVD website
To clipboard 

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CVE-2021-22752 (GCVE-0-2021-22752)

Vulnerability from cvelistv5 – Published: 2021-06-11 15:40 – Updated: 2024-08-03 18:51
VLAI
Summary
A CWE-787: Out-of-bounds write vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in loss of data or remote code execution due to missing size checks, when a malicious WSP (Workspace) file is being parsed by IGSS Definition.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a IGSS Definition (Def.exe) V15.0.0.21140 and prior Affected: IGSS Definition (Def.exe) V15.0.0.21140 and prior
Show details on NVD website
To clipboard 

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CVE-2021-22754 (GCVE-0-2021-22754)

Vulnerability from cvelistv5 – Published: 2021-06-11 15:40 – Updated: 2024-08-03 18:51
VLAI
Summary
A CWE-787: Out-of-bounds write vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in loss of data or remote code execution due to lack of proper validation of user-supplied data, when a malicious CGF file is imported to IGSS Definition.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a IGSS Definition (Def.exe) V15.0.0.21140 and prior Affected: IGSS Definition (Def.exe) V15.0.0.21140 and prior
Show details on NVD website
To clipboard 

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Mitigation ID: MIT-3

Phase: Requirements

Strategy: Language Selection

Description:

  • Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, many languages that perform their own memory management, such as Java and Perl, are not subject to buffer overflows. Other languages, such as Ada and C#, typically provide overflow protection, but the protection can be disabled by the programmer.
  • Be wary that a language's interface to native code may still be subject to overflows, even if the language itself is theoretically safe.
Mitigation ID: MIT-4.1

Phase: Architecture and Design

Strategy: Libraries or Frameworks

Description:

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • Examples include the Safe C String Library (SafeStr) by Messier and Viega [REF-57], and the Strsafe.h library from Microsoft [REF-56]. These libraries provide safer versions of overflow-prone string-handling functions.
Mitigation ID: MIT-10

Phases: Operation, Build and Compilation

Strategy: Environment Hardening

Description:

  • Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
  • D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation ID: MIT-9

Phase: Implementation

Description:

  • Consider adhering to the following rules when allocating and managing an application's memory:
  • Double check that the buffer is as large as specified.
  • When using functions that accept a number of bytes to copy, such as strncpy(), be aware that if the destination buffer size is equal to the source buffer size, it may not NULL-terminate the string.
  • Check buffer boundaries if accessing the buffer in a loop and make sure there is no danger of writing past the allocated space.
  • If necessary, truncate all input strings to a reasonable length before passing them to the copy and concatenation functions.
Mitigation ID: MIT-11

Phases: Operation, Build and Compilation

Strategy: Environment Hardening

Description:

  • Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
  • Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
  • For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation ID: MIT-12

Phase: Operation

Strategy: Environment Hardening

Description:

  • Use a CPU and operating system that offers Data Execution Protection (using hardware NX or XD bits) or the equivalent techniques that simulate this feature in software, such as PaX [REF-60] [REF-61]. These techniques ensure that any instruction executed is exclusively at a memory address that is part of the code segment.
  • For more information on these techniques see D3-PSEP (Process Segment Execution Prevention) from D3FEND [REF-1336].
Mitigation ID: MIT-13

Phase: Implementation

Description:

  • Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.

No CAPEC attack patterns related to this CWE.

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