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().

5332 vulnerabilities reference this CWE, most recent first.

CVE-2018-10893 (GCVE-0-2018-10893)

Vulnerability from cvelistv5 – Published: 2018-09-11 15:00 – Updated: 2024-08-05 07:54
VLAI
Summary
Multiple integer overflow and buffer overflow issues were discovered in spice-client's handling of LZ compressed frames. A malicious server could cause the client to crash or, potentially, execute arbitrary code.
Severity
7.6 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L
CWE
Assigner
References
URL Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
https://lists.freedesktop.org/archives/spice-deve… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2019:2229 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0471 vendor-advisoryx_refsource_REDHAT
Impacted products
Date Public
2018-06-25 00:00
Show details on NVD website
To clipboard 

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CVE-2018-10840 (GCVE-0-2018-10840)

Vulnerability from cvelistv5 – Published: 2018-07-16 20:00 – Updated: 2024-08-05 07:46
VLAI
Summary
Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.
Severity
5.2 (Medium)
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CWE
Assigner
References
URL Tags
https://usn.ubuntu.com/3752-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3752-3/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:0162 vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
http://www.securityfocus.com/bid/104858 vdb-entryx_refsource_BID
https://usn.ubuntu.com/3752-1/ vendor-advisoryx_refsource_UBUNTU
Impacted products
Date Public
2018-07-16 00:00
Show details on NVD website
To clipboard 

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CVE-2018-10617 (GCVE-0-2018-10617)

Vulnerability from cvelistv5 – Published: 2018-06-18 19:00 – Updated: 2024-09-16 20:22
VLAI
Summary
Delta Electronics Delta Industrial Automation DOPSoft version 4.00.04 and prior utilizes a fixed-length heap buffer where a value larger than the buffer can be read from a .dpa file into the buffer, causing the buffer to be overwritten. This may allow remote code execution or cause the application to crash.
Severity
No CVSS data available.
CWE
  • CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
Impacted products
Vendor Product Version
Delta Electronics Delta Industrial Automation DOPSoft Affected: Version 4.00.04 and prior.
Create a notification for this product.
Date Public
2018-05-31 00:00
Show details on NVD website
To clipboard 

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CVE-2018-10606 (GCVE-0-2018-10606)

Vulnerability from cvelistv5 – Published: 2018-09-26 18:00 – Updated: 2024-09-16 23:51
VLAI
Summary
WECON LeviStudio Versions 1.8.29 and 1.8.44 have multiple heap-based buffer overflow vulnerabilities that can be exploited when the application processes specially crafted project files.
Severity
No CVSS data available.
CWE
  • CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
Impacted products
Vendor Product Version
WECON Technology Co., Ltd. LeviStudioU Affected: Versions 1.8.29 and 1.8.44
Create a notification for this product.
Date Public
2018-07-31 00:00
Show details on NVD website
To clipboard 

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CVE-2018-10488 (GCVE-0-2018-10488)

Vulnerability from cvelistv5 – Published: 2018-05-17 15:00 – Updated: 2024-08-05 07:39
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.0.29935. 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 parsing of U3D Texture Width structures. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5420.
Severity
No CVSS data available.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.0.29935
Create a notification for this product.
Date Public
2018-05-04 00:00
Show details on NVD website
To clipboard 

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CVE-2018-9974 (GCVE-0-2018-9974)

Vulnerability from cvelistv5 – Published: 2018-05-17 15:00 – Updated: 2024-08-05 07:24
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.1049. 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 ConvertToPDF_x86.dll. 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-5895.
Severity
No CVSS data available.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.1.1049
Create a notification for this product.
Date Public
2018-04-20 00:00
Show details on NVD website
To clipboard 

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CVE-2018-9949 (GCVE-0-2018-9949)

Vulnerability from cvelistv5 – Published: 2018-05-17 15:00 – Updated: 2024-08-05 07:24
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.0.29935. 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 parsing of TIFF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5473.
Severity
No CVSS data available.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.0.29935
Create a notification for this product.
Date Public
2018-04-20 00:00
Show details on NVD website
To clipboard 

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CVE-2018-9947 (GCVE-0-2018-9947)

Vulnerability from cvelistv5 – Published: 2018-05-17 15:00 – Updated: 2024-08-05 07:24
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.0.29935. 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 parsing of BMP images. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5472.
Severity
No CVSS data available.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.0.29935
Create a notification for this product.
Date Public
2018-04-20 00:00
Show details on NVD website
To clipboard 

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CVE-2018-8871 (GCVE-0-2018-8871)

Vulnerability from cvelistv5 – Published: 2018-05-25 16:00 – Updated: 2024-09-17 04:13
VLAI
Summary
In Delta Electronics Automation TPEditor version 1.89 or prior, parsing a malformed program file may cause heap-based buffer overflow vulnerability, which may allow remote code execution.
Severity
No CVSS data available.
CWE
  • CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
Impacted products
Vendor Product Version
Delta Electronics Automation TPEditor Affected: Version 1.89 or prior
Create a notification for this product.
Date Public
2018-05-17 00:00
Show details on NVD website
To clipboard 

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CVE-2018-8845 (GCVE-0-2018-8845)

Vulnerability from cvelistv5 – Published: 2018-05-15 22:00 – Updated: 2024-09-17 04:20
VLAI
Summary
In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, a heap-based buffer overflow vulnerability has been identified, which may allow an attacker to execute arbitrary code.
Severity
No CVSS data available.
CWE
  • CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
Impacted products
Vendor Product Version
Advantech WebAccess Affected: WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, WebAccess/NMS 2.0.3 and prior.
Create a notification for this product.
Date Public
2018-05-15 00:00
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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