CWE-120: Buffer Copy without Checking Size of Input (Classic Buffer Overflow), page 69
Filter
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
What the weakness is: CWE-120 at MITRE
Ask an AI about CWE-120
ChatGPTClaudePerplexityGoogle AI Mode
Show the prompt
Explain CWE-120: Buffer Copy without Checking Size of Input and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/120.html and https://cve.bz/cve/cwe/120?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this weakness's id and public links.
- 9.8CVE-2021-38689EPSS 1.3%
A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in t…
- 9.8CVE-2021-38682EPSS 1.3%
A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in t…
- 8.8CVE-2021-34979EPSS 1.4%
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within…
- 7.8CVE-2021-40568EPSS 1.3%
A buffer overflow vulnerability exists in Gpac through 1.0.1 via a malformed MP4 file in the svc_parse_slice function in av_parsers.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.
- 7.8CVE-2021-30308EPSS 0.2%
Possible buffer overflow while printing the HARQ memory partition detail due to improper validation of buffer size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdra…
- 6.5CVE-2021-46225EPSS 1.0%
A buffer overflow in the GmfOpenMesh() function of libMeshb v7.61 allows attackers to cause a Denial of Service (DoS) via a crafted MESH file.
- 7.5CVE-2021-45856EPSS 2.0%
Accu-Time Systems MAXIMUS 1.0 telnet service suffers from a remote buffer overflow which causes the telnet service to crash
- 7.5CVE-2021-40035EPSS 0.8%
There is a Buffer overflow vulnerability due to a boundary error with the Samba server in the file management module in smartphones. Successful exploitation of this vulnerability may affect function stability.
- 7.5CVE-2021-40029EPSS 0.8%
There is a Buffer overflow vulnerability due to a boundary error with the Samba server in the file management module in smartphones. Successful exploitation of this vulnerability may affect function stability.
- 9.8CVE-2021-30351EPSS 4.0%
An out of bound memory access can occur due to improper validation of number of frames being passed during music playback in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, …
- 7.8CVE-2021-30303EPSS 0.2%
Possible buffer overflow due to lack of buffer length check when segmented WMI command is received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snap…
- 7.8CVE-2021-30298EPSS 0.1%
Possible out of bound access due to improper validation of item size and DIAG memory pools data while switching between USB and PCIE interface in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapd…
- 7.8CVE-2021-30268EPSS 0.2%
Possible heap Memory Corruption Issue due to lack of input validation when sending HWTC IQ Capture command in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobi…
- 8.8CVE-2021-20166EPSS 2.1%
Netgear RAX43 version 1.0.3.96 contains a buffer overrun vulnerability. The URL parsing functionality in the cgi-bin endpoint of the router containers a buffer overrun issue that can redirection control flow of the applicaiton.
- 5.5CVE-2021-36724EPSS 0.2%
ForeScout - SecureConnector Local Service DoS - A low privilaged user which doesn't have permissions to shutdown the secure connector service writes a large amount of characters in the installationPath. This will cause the buffer to overfl…
- 9.8CVE-2021-38687EPSS 1.3%
A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following…
- 9.8CVE-2019-20082EPSS 2.1%
ASUS RT-N53 3.0.0.4.376.3754 devices have a buffer overflow via a long lan_dns1_x or lan_dns2_x parameter to Advanced_LAN_Content.asp.
- 9.8CVE-2021-45611EPSS 1.2%
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects DC112A before 1.0.0.52, R6400 before 1.0.1.68, RAX200 before 1.0.3.106, WNDR3400v3 before 1.0.1.38, XR300 before 1.0.3.68, R8500 before …
- 9.8CVE-2021-45610EPSS 1.5%
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.66, D6400 before 1.0.0.100, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, DC112A before 1.0.0.52, DGN2200v4 before …
- 9.8CVE-2021-45609EPSS 1.2%
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6250 before 1.0.4.48, R7000 before 1.0.11.116, R7100LG before 1.0.0.64, R7900 before 1.0.4.38, R8300 before 1.0.…
- 8.8CVE-2021-45530EPSS 0.9%
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, RAX20 before 1.0.2.82…
- 7.2CVE-2021-45529EPSS 0.5%
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects CBR40 before 2.3.5.12, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.2.124…
- 7.2CVE-2021-45528EPSS 0.6%
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R6900 before 1.0.2.8, R7000 before 1.0.9.88, R7900 before 1.0.3.18, R8000 before 1.0.4.46, R79…
- 9.8CVE-2021-45527EPSS 1.2%
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, DC112A before 1.0.0.54, EX7000 before 1.0.1.94,…
- 8.8CVE-2021-45526EPSS 0.5%
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX6000 before 1.0.0.38, EX6120 before 1.0.0.48, EX6130 before 1.0.0.30, R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R7000 before 1.0.11.12…
- 8.8CVE-2021-45525EPSS 0.9%
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX7000 before 1.0.1.80, R6400 before 1.0.1.50, R6400v2 before 1.0.4.118, R6700 before 1.0.2.8, R6700v3 before 1.0.4.118, R6900 before 1.0.2.8,…
- 9.1CVE-2021-45524EPSS 1.3%
NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user.
- 6.5CVE-2021-45523EPSS 1.1%
NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user.
- 9.8CVE-2021-21903EPSS 1.8%
A stack-based buffer overflow vulnerability exists in the CMA check_udp_crc function of Garrett Metal Detectors’ iC Module CMA Version 5.0. A specially-crafted packet can lead to a stack-based buffer overflow during a call to strcpy. An at…
- 8.8CVE-2021-21901EPSS 1.6%
A stack-based buffer overflow vulnerability exists in the CMA check_udp_crc function of Garrett Metal Detectors’ iC Module CMA Version 5.0. A specially-crafted packet can lead to a stack-based buffer overflow during a call to memcpy. An at…
- 7.5CVE-2021-41499EPSS 1.4%
Buffer Overflow Vulnerability exists in ajaxsoundstudio.com n Pyo < 1.03 in the Server_debug function, which allows remote attackers to conduct DoS attacks by deliberately passing on an overlong audio file name.
- 7.5CVE-2021-41498EPSS 1.2%
Buffer overflow in ajaxsoundstudio.com Pyo < and 1.03 in the Server_jack_init function. which allows attackers to conduct Denial of Service attacks by arbitrary constructing a overlong server name.
- 5.5CVE-2021-41496EPSS 0.4%
Buffer overflow in the array_from_pyobj function of fortranobject.c in NumPy < 1.19, which allows attackers to conduct a Denial of Service attacks by carefully constructing an array with negative values. NOTE: The vendor does not agree thi…
- 5.3CVE-2021-33430EPSS 1.5%
A Buffer Overflow vulnerability exists in NumPy 1.9.x in the PyArray_NewFromDescr_int function of ctors.c when specifying arrays of large dimensions (over 32) from Python code, which could let a malicious user cause a Denial of Service. NO…
- 7.5CVE-2020-18077EPSS 1.2%
A buffer overflow vulnerability in the Virtual Path Mapping component of FTPShell v6.83 allows attackers to cause a denial of service (DoS).
- 7.8CVE-2021-43518EPSS 1.4%
Teeworlds up to and including 0.7.5 is vulnerable to Buffer Overflow. A map parser does not validate m_Channels value coming from a map file, leading to a buffer overflow. A malicious server may offer a specially crafted map that will over…
- 7.2CVE-2021-44154EPSS 1.9%
An issue was discovered in Reprise RLM 14.2. By using an admin account, an attacker can write a payload to /goform/edit_opt, which will then be triggered when running the diagnostics (via /goform/diagnostics_doit), resulting in a buffer ov…
- 6.7CVE-2021-42757EPSS 0.5%
A buffer overflow [CWE-121] in the TFTP client library of FortiOS before 6.4.7 and FortiOS 7.0.0 through 7.0.2, may allow an authenticated local attacker to achieve arbitrary code execution via specially crafted command line arguments.
- 9.8CVE-2021-20045EPSS 25%
A buffer overflow vulnerability in SMA100 sonicfiles RAC_COPY_TO (RacNumber 36) method allows a remote unauthenticated attacker to potentially execute code as the 'nobody' user in the appliance. This vulnerability affected SMA 200, 210, 40…
- 7.8CVE-2018-25020EPSS 0.5%
The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affe…
- 8.8CVE-2021-42687EPSS 0.5%
A Buffer Overflow vulnerability exists in Accops HyWorks Windows Client prior to v 3.2.8.200. The IOCTL Handler 0x22005B allows local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS…
- 8.8CVE-2021-42683EPSS 0.5%
A Buffer Overflow vulnerability exists in Accops HyWorks Windows Client prior to v 3.2.8.200. The IOCTL Handler 0x22001B allows local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS…
- 8.8CVE-2021-42681EPSS 0.5%
A Buffer Overflow vulnerability exists in Accops HyWorks DVM Tools prior to v3.3.1.105. The IOCTL Handler 0x22001B allows local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash…
- 8.8CVE-2021-43637EPSS 0.5%
Amazon WorkSpaces agent is affected by Buffer Overflow. IOCTL Handler 0x22001B in the Amazon WorkSpaces agent below v1.0.1.1537 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption …
- 8.8CVE-2021-43002EPSS 0.5%
Amzetta zPortal DVM Tools is affected by Buffer Overflow. IOCTL Handler 0x22001B in the Amzetta zPortal DVM Tools <= v3.3.148.148 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruptio…
- 8.8CVE-2021-43000EPSS 0.5%
Amzetta zPortal Windows zClient is affected by Buffer Overflow. IOCTL Handler 0x22001B in the Amzetta zPortal Windows zClient <= v3.2.8180.148 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (mem…
- 8.8CVE-2021-42994EPSS 0.5%
Donglify is affected by Buffer Overflow. IOCTL Handler 0x22001B in the Donglify above 1.0.12309 below 1.7.14110 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) vi…
- 8.8CVE-2021-42990EPSS 0.5%
FlexiHub For Windows is affected by Buffer Overflow. IOCTL Handler 0x22001B in the FlexiHub For Windows above 2.0.4340 below 5.3.14268 allows local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory cor…
- 8.8CVE-2021-42988EPSS 0.5%
Eltima USB Network Gate is affected by Buffer Overflow. IOCTL Handler 0x22001B in the USB Network Gate above 7.0.1370 below 9.2.2420 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corrup…
- 8.8CVE-2021-42983EPSS 0.5%
NoMachine Enterprise Client is affected by Buffer Overflow. IOCTL Handler 0x22001B in the NoMachine Enterprise Client above 4.0.346 and below 7.7.4 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service…