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().

4176 vulnerabilities reference this CWE, most recent first.

CVE-2019-9500 (GCVE-0-2019-9500)

Vulnerability from cvelistv5 – Published: 2020-01-16 20:35 – Updated: 2024-08-04 21:54
VLAI
Title
Broadcom brcmfmac driver is vulnerable to a heap buffer overflow
Summary
The Broadcom brcmfmac WiFi driver prior to commit 1b5e2423164b3670e8bc9174e4762d297990deff is vulnerable to a heap buffer overflow. If the Wake-up on Wireless LAN functionality is configured, a malicious event frame can be constructed to trigger an heap buffer overflow in the brcmf_wowl_nd_results function. This vulnerability can be exploited with compromised chipsets to compromise the host, or when used in combination with CVE-2019-9503, can be used remotely. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. More typically, this vulnerability will result in denial-of-service conditions.
Severity
7.9 (High)
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Broadcom brcmfmac WiFi driver Affected: commit prior to 1b5e2423164b3670e8bc9174e4762d297990deff
Create a notification for this product.
Show details on NVD website
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CVE-2019-9136 (GCVE-0-2019-9136)

Vulnerability from cvelistv5 – Published: 2019-04-25 16:57 – Updated: 2024-08-04 21:38
VLAI
Summary
DaviewIndy 8.98.7 and earlier versions have a Heap-based overflow vulnerability, triggered when the user opens a malformed JPEG2000 format file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.
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
References
Impacted products
Vendor Product Version
HumanTalk Co,Ltd DaviewIndy Affected: fixed in 8.98.8
Create a notification for this product.
Date Public
2019-04-08 00:00
Show details on NVD website
To clipboard 

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CVE-2019-9135 (GCVE-0-2019-9135)

Vulnerability from cvelistv5 – Published: 2019-04-25 16:49 – Updated: 2024-08-04 21:38
VLAI
Summary
DaviewIndy 8.98.7 and earlier versions have a Heap-based overflow vulnerability, triggered when the user opens a malformed DIB format file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.
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
References
Impacted products
Vendor Product Version
HumanTalk Co,Ltd DaviewIndy Affected: fixed in 8.98.8
Create a notification for this product.
Date Public
2019-04-08 00:00
Show details on NVD website
To clipboard 

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CVE-2019-8274 (GCVE-0-2019-8274)

Vulnerability from cvelistv5 – Published: 2019-03-09 00:00 – Updated: 2024-09-16 19:35
VLAI
Summary
UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer offer handler, which can potentially in result code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212.
Severity
No CVSS data available.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Kaspersky Lab UltraVNC Affected: 1.2.2.3
Create a notification for this product.
Date Public
2019-03-01 00:00
Show details on NVD website
To clipboard 

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CVE-2019-8273 (GCVE-0-2019-8273)

Vulnerability from cvelistv5 – Published: 2019-03-09 00:00 – Updated: 2024-09-16 23:16
VLAI
Summary
UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer request handler, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212.
Severity
No CVSS data available.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Kaspersky Lab UltraVNC Affected: 1.2.2.3
Create a notification for this product.
Date Public
2019-03-01 00:00
Show details on NVD website
To clipboard 

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CVE-2019-8271 (GCVE-0-2019-8271)

Vulnerability from cvelistv5 – Published: 2019-03-09 00:00 – Updated: 2024-09-16 23:26
VLAI
Summary
UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer handler, which can potentially result code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212.
Severity
No CVSS data available.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Kaspersky Lab UltraVNC Affected: 1.2.2.3
Create a notification for this product.
Date Public
2019-03-01 00:00
Show details on NVD website
To clipboard 

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CVE-2019-8262 (GCVE-0-2019-8262)

Vulnerability from cvelistv5 – Published: 2019-03-05 15:00 – Updated: 2024-09-16 16:49
VLAI
Summary
UltraVNC revision 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which results in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1204.
Severity
No CVSS data available.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
UltraVNC UltraVNC Affected: 1.2.2.3
Create a notification for this product.
Date Public
2019-03-01 00:00
Show details on NVD website
To clipboard 

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CVE-2019-8258 (GCVE-0-2019-8258)

Vulnerability from cvelistv5 – Published: 2019-03-05 15:00 – Updated: 2024-09-16 19:15
VLAI
Summary
UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.
Severity
No CVSS data available.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
UltraVNC UltraVNC Affected: 1.2.2.3
Create a notification for this product.
Date Public
2019-03-01 00:00
Show details on NVD website
To clipboard 

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CVE-2019-6740 (GCVE-0-2019-6740)

Vulnerability from cvelistv5 – Published: 2019-06-03 18:15 – Updated: 2024-08-04 20:31
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Samsung Galaxy S9 prior to January 2019 Security Update (SMR-JAN-2019 - SVE-2018-13467). 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 ASN.1 parser. When parsing ASN.1 strings, the process does not properly validate 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 in the context of the current process. Was ZDI-CAN-7472.
Severity
9.6 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
zdi
References
Impacted products
Vendor Product Version
Samsung Galaxy S9 Affected: prior to January 2019 Security Update (SMR-JAN-2019 - SVE-2018-13467)
Create a notification for this product.
Credits
fluoroacetate
Show details on NVD website
To clipboard 

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CVE-2019-6539 (GCVE-0-2019-6539)

Vulnerability from cvelistv5 – Published: 2019-02-13 00:00 – Updated: 2024-09-16 19:56
VLAI
Summary
Several heap-based buffer overflow vulnerabilities in WECON LeviStudioU version 1.8.56 and prior have been identified, which may allow arbitrary code execution. Mat Powell, Ziad Badawi, and Natnael Samson working with Trend Micro's Zero Day Initiative, reported these vulnerabilities to NCCIC.
Severity
No CVSS data available.
CWE
  • CWE-122 - Heap-based buffer overflow CWE-122
Assigner
References
Impacted products
Vendor Product Version
ICS-CERT WECON LeviStudioU Affected: LeviStudioU Versions 1.8.56 and prior
Create a notification for this product.
Date Public
2019-02-05 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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