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-2020-14393 (GCVE-0-2020-14393)

Vulnerability from cvelistv5 – Published: 2020-09-16 13:27 – Updated: 2024-08-04 12:46
VLAI
Summary
A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a perl-dbi Affected: perl-DBI before version 1.643
Show details on NVD website
To clipboard 

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CVE-2020-13598 (GCVE-0-2020-13598)

Vulnerability from cvelistv5 – Published: 2021-05-24 21:40 – Updated: 2024-09-17 03:28
VLAI
Title
FS: Buffer Overflow when enabling Long File Names in FAT_FS and calling fs_stat
Summary
FS: Buffer Overflow when enabling Long File Names in FAT_FS and calling fs_stat. Zephyr versions >= v1.14.2, >= v2.3.0 contain Stack-based Buffer Overflow (CWE-121). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7fhv-rgxr-x56h
Severity
6.3 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CWE
  • CWE-121 - Stack-based Buffer Overflow (CWE-121)
Assigner
References
Impacted products
Vendor Product Version
zephyrproject-rtos zephyr Affected: v1.14.2 , < unspecified (custom)
Affected: v2.3.0 , < unspecified (custom)
Create a notification for this product.
Date Public
2020-09-04 00:00
Show details on NVD website
To clipboard 

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CVE-2020-12820 (GCVE-0-2020-12820)

Vulnerability from cvelistv5 – Published: 2024-12-19 10:57 – Updated: 2024-12-20 17:25
VLAI
Summary
Under non-default configuration, a stack-based buffer overflow in FortiOS version 6.0.10 and below, version 5.6.12 and below may allow a remote attacker authenticated to the SSL VPN to crash the FortiClient NAC daemon (fcnacd) and potentially execute arbitrary code via requesting a large FortiClient file name. We are not aware of proof of concept code successfully achieving the latter.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:U/RL:X/RC:X
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Execute unauthorized code or commands
Assigner
References
Impacted products
Vendor Product Version
Fortinet FortiOS Affected: 6.0.0 , ≤ 6.0.10 (semver)
Affected: 5.6.0 , ≤ 5.6.12 (semver)
    cpe:2.3:o:fortinet:fortios:6.0.10:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.12:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.11:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.10:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:5.6.0:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2020-12498 (GCVE-0-2020-12498)

Vulnerability from cvelistv5 – Published: 2020-07-01 15:52 – Updated: 2024-08-04 11:56
VLAI
Title
Phoenix Contact Automation Worx <= 1.87: out-of-bounds read remote code execution
Summary
mwe file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier is vulnerable to out-of-bounds read remote code execution. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.
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-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Phoenix Contact Automation Worx Affected: unspecified , ≤ 1.87 (custom)
Create a notification for this product.
Phoenix Contact Automation Worx Express Affected: unspecified , ≤ 1.87 (custom)
Create a notification for this product.
Credits
reported by mdm working with Trend Micro Zero Day Initiative, Phoenix Contact reported to CERT@VDE
Show details on NVD website
To clipboard 

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CVE-2020-12497 (GCVE-0-2020-12497)

Vulnerability from cvelistv5 – Published: 2020-07-01 15:52 – Updated: 2024-08-04 11:56
VLAI
Title
Phoenix Contact Automation Worx <= 1.87: stack-based overflow
Summary
PLCopen XML file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier can lead to a stack-based overflow. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.
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-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Phoenix Contact Automation Worx Affected: unspecified , ≤ 1.87 (custom)
Create a notification for this product.
Phoenix Contact Automation Worx Express Affected: unspecified , ≤ 1.87 (custom)
Create a notification for this product.
Credits
reported by Natnael Samson working with Trend Micro Zero Day Initiative, Phoenix Contact reported to CERT@VDE
Show details on NVD website
To clipboard 

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CVE-2020-12019 (GCVE-0-2020-12019)

Vulnerability from cvelistv5 – Published: 2020-06-15 19:08 – Updated: 2024-08-04 11:48
VLAI
Summary
WebAccess Node Version 8.4.4 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
n/a WebAccess Node Affected: Version 8.4.4 and prior
Show details on NVD website
To clipboard 

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CVE-2020-12002 (GCVE-0-2020-12002)

Vulnerability from cvelistv5 – Published: 2020-05-08 11:50 – Updated: 2024-08-04 11:48
VLAI
Summary
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple stack-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, which may allow remote code execution.
Severity
No CVSS data available.
CWE
  • CWE-121 - STACK-BASED BUFFER OVERFLOW CWE-121
Assigner
References
Impacted products
Vendor Product Version
n/a Advantech WebAccess Node Affected: WebAccess Node Version 8.4.4 and prior, WebAccess Node Version 9.0.0
Show details on NVD website
To clipboard 

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CVE-2020-10924 (GCVE-0-2020-10924)

Vulnerability from cvelistv5 – Published: 2020-07-28 17:10 – Updated: 2024-08-04 11:14
VLAI
Summary
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the UPnP service, which listens on TCP port 5000 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-9643.
Severity
8.8 (High)
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
zdi
References
Impacted products
Vendor Product Version
NETGEAR R6700 Affected: V1.0.4.84_10.0.58
Create a notification for this product.
Credits
Pedro Ribeiro and Radek Domanski of Team Flashback
Show details on NVD website
To clipboard 

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CVE-2020-10881 (GCVE-0-2020-10881)

Vulnerability from cvelistv5 – Published: 2020-03-25 19:15 – Updated: 2024-08-04 11:14
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-9660.
Severity
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
zdi
References
Impacted products
Vendor Product Version
TP-Link Archer A7 Affected: Firmware Ver: 190726
Create a notification for this product.
Credits
Pedro Ribeiro and Radek Domanski of Team Flashback
Show details on NVD website
To clipboard 

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CVE-2020-10639 (GCVE-0-2020-10639)

Vulnerability from cvelistv5 – Published: 2020-04-15 16:48 – Updated: 2024-08-04 11:06
VLAI
Summary
Eaton HMiSoft VU3 (HMIVU3 runtime not impacted), Version 3.00.23 and prior, however, the HMIVU runtimes are not impacted by these issues. A specially crafted input file could cause a buffer overflow when loaded by the affected product.
Severity
No CVSS data available.
CWE
  • CWE-121 - STACK-BASED BUFFER OVERFLOW CWE-121
Assigner
References
Impacted products
Vendor Product Version
n/a Eaton HMiSoft VU3 (HMIVU3 runtime not impacted) Affected: HMiSoft VU3 Version 3.00.23 and prior, however, the HMIVU runtimes are not impacted by these issues.
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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