Common Weakness Enumeration

CWE-122

Allowed

Heap-based Buffer Overflow

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

4111 vulnerabilities reference this CWE, most recent first.

CVE-2020-25667 (GCVE-0-2020-25667)

Vulnerability from cvelistv5 – Published: 2020-12-08 20:57 – Updated: 2024-08-04 15:40
VLAI
Summary
TIFFGetProfiles() in /coders/tiff.c calls strstr() which causes a large out-of-bounds read when it searches for `"dc:format=\"image/dng\"` within `profile` due to improper string handling, when a crafted input file is provided to ImageMagick. The patch uses a StringInfo type instead of a raw C string to remedy this. This could cause an impact to availability of the application. This flaw affects ImageMagick versions prior to 7.0.9-0.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a ImageMagick Affected: prior to 7.0.9-0
Show details on NVD website
To clipboard 

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CVE-2020-25665 (GCVE-0-2020-25665)

Vulnerability from cvelistv5 – Published: 2020-12-08 00:00 – Updated: 2024-08-04 15:40
VLAI
Summary
The PALM image coder at coders/palm.c makes an improper call to AcquireQuantumMemory() in routine WritePALMImage() because it needs to be offset by 256. This can cause a out-of-bounds read later on in the routine. The patch adds 256 to bytes_per_row in the call to AcquireQuantumMemory(). This could cause impact to reliability. This flaw affects ImageMagick versions prior to 7.0.8-68.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a ImageMagick Affected: prior to 7.0.8-68
Show details on NVD website
To clipboard 

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CVE-2020-25664 (GCVE-0-2020-25664)

Vulnerability from cvelistv5 – Published: 2020-12-08 20:57 – Updated: 2024-08-04 15:40
VLAI
Summary
In WriteOnePNGImage() of the PNG coder at coders/png.c, an improper call to AcquireVirtualMemory() and memset() allows for an out-of-bounds write later when PopShortPixel() from MagickCore/quantum-private.h is called. The patch fixes the calls by adding 256 to rowbytes. An attacker who is able to supply a specially crafted image could affect availability with a low impact to data integrity. This flaw affects ImageMagick versions prior to 6.9.10-68 and 7.0.8-68.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a ImageMagick Affected: prior to 7.0.8-68
Affected: prior to 6.9.10-68
Show details on NVD website
To clipboard 

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CVE-2020-25226 (GCVE-0-2020-25226)

Vulnerability from cvelistv5 – Published: 2021-01-12 20:18 – Updated: 2024-08-04 15:33
VLAI
Summary
A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0). The web server of the affected devices contains a vulnerability that may lead to a buffer overflow condition. An attacker could cause this condition on the webserver by sending a specially crafted request. The webserver could stop and not recover anymore.
Severity
No CVSS data available.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2020-25199 (GCVE-0-2020-25199)

Vulnerability from cvelistv5 – Published: 2020-12-09 16:12 – Updated: 2024-08-04 15:33
VLAI
Summary
A heap-based buffer overflow vulnerability exists within the WECON LeviStudioU Release Build 2019-09-21 and prior when processing project files. Opening a specially crafted project file could allow an attacker to exploit and execute code under the privileges of the application.
Severity
No CVSS data available.
CWE
  • CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
Impacted products
Vendor Product Version
n/a WECON Technology Co., Ltd LeviStudioU Affected: LeviStudioU: Release Build 2019-09-21 and prior. If you have questions about the affected products, please contact WECON.
Show details on NVD website
To clipboard 

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CVE-2020-25187 (GCVE-0-2020-25187)

Vulnerability from cvelistv5 – Published: 2020-12-14 19:18 – Updated: 2025-05-22 19:37
VLAI
Title
Medtronic MyCareLink Smart Heap-based Buffer Overflow
Summary
Medtronic MyCareLink Smart 25000 is  vulnerable when an authenticated attacker runs a debug command, which can be sent to the patient reader and cause a heap overflow event within the MCL Smart Patient Reader software stack. The heap overflow could allow an attacker to remotely execute code on the MCL Smart Patient Reader, potentially leading to control of the device
Severity
8.8 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Credits
Sternum, based in Tel Aviv, Israel, discovered and initially reported these vulnerabilities to Medtronic.
Show details on NVD website
To clipboard 

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CVE-2020-25181 (GCVE-0-2020-25181)

Vulnerability from cvelistv5 – Published: 2020-12-01 14:54 – Updated: 2024-08-04 15:26
VLAI
Summary
WECON PLC Editor Versions 1.3.8 and prior has a heap-based buffer overflow vulnerabilities have been identified that may allow arbitrary code execution.
Severity
No CVSS data available.
CWE
  • CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
Impacted products
Vendor Product Version
n/a WECON PLC Editor Affected: PLC Editor Versions 1.3.8 and prior
Show details on NVD website
To clipboard 

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CVE-2020-24435 (GCVE-0-2020-24435)

Vulnerability from cvelistv5 – Published: 2020-11-05 19:32 – Updated: 2024-09-17 04:04
VLAI
Title
Acrobat Reader DC Heap-based Buffer Overflow Could Lead to Arbitrary Code Execution
Summary
Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier) and 2017.011.30175 (and earlier) are affected by a heap-based buffer overflow vulnerability in the submitForm function, potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted .pdf file in Acrobat Reader.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
Impacted products
Vendor Product Version
Adobe Acrobat Reader Affected: unspecified , ≤ 2017.011.30175 (custom)
Affected: unspecified , ≤ 2020.012.20048 (custom)
Affected: unspecified , ≤ 2020.001.30005 (custom)
Affected: unspecified , ≤ None (custom)
Create a notification for this product.
Date Public
2020-11-03 00:00
Show details on NVD website
To clipboard 

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CVE-2020-17423 (GCVE-0-2020-17423)

Vulnerability from cvelistv5 – Published: 2021-02-09 15:46 – Updated: 2024-08-04 13:53
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio Photo 3.6.6.922. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of ARW files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-11196.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit Studio Photo Affected: 3.6.6.922
Create a notification for this product.
Credits
Mat Powell of Trend Micro Zero Day Initiative
Show details on NVD website
To clipboard 

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CVE-2020-16223 (GCVE-0-2020-16223)

Vulnerability from cvelistv5 – Published: 2020-08-06 23:11 – Updated: 2024-08-04 13:37
VLAI
Summary
Delta Electronics TPEditor Versions 1.97 and prior. A heap-based buffer overflow may be exploited by processing a specially crafted project file. Successful exploitation of this vulnerability may allow an attacker to read/modify information, execute arbitrary code, and/or crash the application.
Severity
No CVSS data available.
CWE
  • CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
Impacted products
Vendor Product Version
n/a Delta Electronics TPEditor Affected: TPEditor Versions 1.97 and prior
Show details on NVD website
To clipboard 

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Mitigation

Pre-design: Use a language or compiler that performs automatic bounds checking.

Mitigation
Architecture and Design

Use an abstraction library to abstract away risky APIs. Not a complete solution.

Mitigation MIT-10
Operation Build and Compilation

Strategy: Environment Hardening

  • 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 MIT-11
Operation Build and Compilation

Strategy: Environment Hardening

  • 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
Implementation

Implement and perform bounds checking on input.

Mitigation
Implementation

Strategy: Libraries or Frameworks

Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.

Mitigation
Operation

Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.

CAPEC-92: Forced Integer Overflow

This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.

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