Common Weakness Enumeration

CWE-121

Allowed

Stack-based Buffer Overflow

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

5279 vulnerabilities reference this CWE, most recent first.

CVE-2020-27265 (GCVE-0-2020-27265)

Vulnerability from cvelistv5 – Published: 2021-01-13 23:33 – Updated: 2024-08-04 16:11
VLAI
Summary
KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All versions, OPC-Aggregator: All versions, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: v7.68.804 and v7.66, Software Toolbox TOP Server: All 6.x versions are vulnerable to a stack-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and remotely execute code.
Severity
No CVSS data available.
CWE
  • CWE-121 - STACK-BASED BUFFER OVERFLOW CWE-121
Assigner
References
Impacted products
Vendor Product Version
n/a PTC Kepware KEPServerEX; ThingWorx Industrial Connectivity; OPC-Aggregator; Rockwell Automation KEPServer Enterprise; GE Digital Industrial Gateway Server; Software Toolbox TOP Server Affected: v6.0 to v6.9
Affected: v6.8 and v6.9
Affected: All versions
Affected: v7.68.804, v7.66
Affected: All 6.x versions
Show details on NVD website
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CVE-2020-27261 (GCVE-0-2020-27261)

Vulnerability from cvelistv5 – Published: 2021-02-09 14:09 – Updated: 2024-09-17 00:02
VLAI
Title
Omron CX-One
Summary
The Omron CX-One Version 4.60 and prior is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code.
Severity
No CVSS data available.
CWE
  • CWE-121 - STACK-BASED BUFFER OVERFLOW CWE-121
Assigner
References
Impacted products
Vendor Product Version
Omron CX-One Affected: unspecified , ≤ 4.60 (custom)
Create a notification for this product.
Omron CX-Protocol Affected: unspecified , ≤ 2.02 (custom)
Create a notification for this product.
Omron CX-Server Affected: unspecified , ≤ 5.0.28 (custom)
Create a notification for this product.
Omron CX-Position Affected: unspecified , ≤ 2.52 (custom)
Create a notification for this product.
Date Public
2021-01-07 00:00
Show details on NVD website
To clipboard 

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CVE-2020-27221 (GCVE-0-2020-27221)

Vulnerability from cvelistv5 – Published: 2021-01-21 04:55 – Updated: 2024-08-04 16:11
VLAI
Summary
In Eclipse OpenJ9 up to and including version 0.23, there is potential for a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding.
Severity
No CVSS data available.
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
The Eclipse Foundation Eclipse OpenJ9 Affected: unspecified , ≤ 0.23 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2020-27001 (GCVE-0-2020-27001)

Vulnerability from cvelistv5 – Published: 2021-02-09 15:38 – Updated: 2024-08-04 16:03
VLAI
Summary
A vulnerability has been identified in JT2Go (All versions < V13.1.0.2), Teamcenter Visualization (All versions < V13.1.0.2). Affected applications lack proper validation of user-supplied data when parsing of PAR files. This could result in a stack based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12041)
Severity
No CVSS data available.
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Siemens JT2Go Affected: All versions < V13.1.0.2
Create a notification for this product.
Siemens Teamcenter Visualization Affected: All versions < V13.1.0.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2020-26993 (GCVE-0-2020-26993)

Vulnerability from cvelistv5 – Published: 2021-01-12 20:18 – Updated: 2024-08-04 16:03
VLAI
Summary
A vulnerability has been identified in JT2Go (All versions < V13.1.0), Teamcenter Visualization (All versions < V13.1.0). Affected applications lack proper validation of user-supplied data when parsing CGM files. This could lead to a stack based buffer overflow while trying to copy to a buffer in the font index handling function. An attacker could leverage this vulnerability to execute code in the context of the current process.
Severity
No CVSS data available.
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Siemens JT2Go Affected: All versions < V13.1.0
Create a notification for this product.
Siemens Teamcenter Visualization Affected: All versions < V13.1.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2020-26992 (GCVE-0-2020-26992)

Vulnerability from cvelistv5 – Published: 2021-01-12 20:18 – Updated: 2024-08-04 16:03
VLAI
Summary
A vulnerability has been identified in JT2Go (All versions < V13.1.0), Teamcenter Visualization (All versions < V13.1.0). Affected applications lack proper validation of user-supplied data when parsing CGM files. This could lead to a stack based buffer overflow while trying to copy to a buffer during font string handling. An attacker could leverage this vulnerability to execute code in the context of the current process.
Severity
No CVSS data available.
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Siemens JT2Go Affected: All versions < V13.1.0
Create a notification for this product.
Siemens Teamcenter Visualization Affected: All versions < V13.1.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2020-26989 (GCVE-0-2020-26989)

Vulnerability from cvelistv5 – Published: 2021-01-12 20:18 – Updated: 2024-08-04 16:03
VLAI
Summary
A vulnerability has been identified in JT2Go (All versions < V13.1.0.1), Solid Edge SE2020 (All Versions < SE2020MP12), Solid Edge SE2021 (All Versions < SE2021MP2), Teamcenter Visualization (All versions < V13.1.0.1). Affected applications lack proper validation of user-supplied data when parsing of PAR files. This could result in a stack based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-11892)
Severity
No CVSS data available.
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2020-25857 (GCVE-0-2020-25857)

Vulnerability from cvelistv5 – Published: 2021-02-03 16:48 – Updated: 2024-08-04 15:49
VLAI
Summary
The function ClientEAPOLKeyRecvd() in the Realtek RTL8195A Wi-Fi Module prior to versions released in April 2020 (up to and excluding 2.08) does not validate the size parameter for an rtl_memcpy() operation, resulting in a stack buffer overflow which can be exploited for denial of service. An attacker can impersonate an Access Point and attack a vulnerable Wi-Fi client, by injecting a crafted packet into the WPA2 handshake. The attacker does not need to know the network's PSK.
Severity
No CVSS data available.
CWE
  • CWE-121 - Stack buffer overflow (CWE-121)
Assigner
References
Impacted products
Vendor Product Version
n/a Realtek RTL8195A Wi-Fi Module Affected: Versions before 2020-04-21 (up to and excluding 2.08)
Show details on NVD website
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CVE-2020-25856 (GCVE-0-2020-25856)

Vulnerability from cvelistv5 – Published: 2021-02-03 16:49 – Updated: 2024-08-04 15:49
VLAI
Summary
The function DecWPA2KeyData() in the Realtek RTL8195A Wi-Fi Module prior to versions released in April 2020 (up to and excluding 2.08) does not validate the size parameter for an rtl_memcpy() operation, resulting in a stack buffer overflow which can be exploited for remote code execution or denial of service. An attacker can impersonate an Access Point and attack a vulnerable Wi-Fi client, by injecting a crafted packet into the WPA2 handshake. The attacker needs to know the network's PSK in order to exploit this.
Severity
No CVSS data available.
CWE
  • CWE-121 - Stack buffer overflow (CWE-121)
Assigner
References
Impacted products
Vendor Product Version
n/a Realtek RTL8195A Wi-Fi Module Affected: Versions before 2020-04-21 (up to and excluding 2.08)
Show details on NVD website
To clipboard 

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CVE-2020-25855 (GCVE-0-2020-25855)

Vulnerability from cvelistv5 – Published: 2021-02-03 16:49 – Updated: 2024-08-04 15:49
VLAI
Summary
The function AES_UnWRAP() in the Realtek RTL8195A Wi-Fi Module prior to versions released in April 2020 (up to and excluding 2.08) does not validate the size parameter for a memcpy() operation, resulting in a stack buffer overflow which can be exploited for remote code execution or denial of service. An attacker can impersonate an Access Point and attack a vulnerable Wi-Fi client, by injecting a crafted packet into the WPA2 handshake. The attacker needs to know the network's PSK in order to exploit this.
Severity
No CVSS data available.
CWE
  • CWE-121 - Stack buffer overflow (CWE-121)
Assigner
References
Impacted products
Vendor Product Version
n/a Realtek RTL8195A Wi-Fi Module Affected: Versions before 2020-04-21 (up to and excluding 2.08)
Show details on NVD website
To clipboard 

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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
Architecture and Design

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

Mitigation
Implementation

Implement and perform bounds checking on input.

Mitigation
Implementation

Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.

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].

No CAPEC attack patterns related to this CWE.

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