Out-of-bounds Write
CWE-787
The product writes data past the end, or before the beginning, of the intended buffer.
We track 5,886 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.3. 167 have been exploited in real attacks.
How this weakness is prevented
- Requirements: Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid. For example, many languages that perform their own memory management, such as Java and Perl, are not subject to buffer overflows. Other languages, such as Ada and C#, typically provide overflow protection, but the protection can be disabled by the programmer. Be wary that a language's interface to native code may still be subject to overflows, even if the language itself is theoretically safe.
- Architecture and Design: Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid. Examples include the Safe C String Library (SafeStr) by Messier and Viega, and the Strsafe.h library from Microsoft. These libraries provide safer versions of overflow-prone string-handling functions.
- Operation Build and Compilation: 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 discusses canary-based detection in detail.
- Operation: Use a CPU and operating system that offers Data Execution Protection (using hardware NX or XD bits) or the equivalent techniques that simulate this feature in software, such as PaX. These techniques ensure that any instruction executed is exclusively at a memory address that is part of the code segment. For more information on these techniques see D3-PSEP (Process Segment Execution Prevention) from D3FEND.
- Implementation: Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.
Latest Out-of-bounds Write vulnerabilities
- 7.8 High severity
Illustrator: Out-of-bounds Write
Adobe Illustrator versions 26.0.2 (and earlier) and 25.4.5 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction
- 7.8 High severity
Illustrator: Out-of-bounds Write
Adobe Illustrator versions 26.0.2 (and earlier) and 25.4.5 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction
- 7.8 High severity
Illustrator: Out-of-bounds Write
Adobe Illustrator versions 26.0.2 (and earlier) and 25.4.5 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction
- 7.8 High severity
Illustrator: Out-of-bounds Write
Adobe Illustrator versions 26.0.2 (and earlier) and 25.4.5 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction
- 7.8 High severity
Illustrator: Out-of-bounds Write
Adobe Illustrator versions 26.0.2 (and earlier) and 25.4.5 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction
- 7.2 High severity
Cisco Small Business RV Series Router Firmware: Out-of-bounds Write
A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to improper validat
- 9.8 Critical severity
AC8: Out-of-bounds Write
A vulnerability was found in Tenda AC8 16.03.34.06_cn_TDC01. It has been declared as critical. Affected by this vulnerability is the function formSetDeviceName. The manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exp
- 9.8 Critical severity
FreeRDP: Out-of-bounds Write
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `writePixelBGRX` function. This issue is likely down to incorrect calculations of the `nHei
- 9.8 Critical severity
FreeRDP: Out-of-bounds Write
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `progressive_decompress` function. This issue is likely down to incorrect calculations of t
- 9.8 Critical severity
FreeRDP: Out-of-bounds Write
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `clear_decompress_bands_data` function in which there is no offset validation. Abuse of thi
- 9.8 Critical severity
FreeRDP: Integer Overflow or Wraparound
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an IntegerOverflow leading to Out-Of-Bound Write Vulnerability in the `gdi_CreateSurface` function. This issue affects Fr
- 9.8 Critical severity
FreeRDP: Out-of-bounds Write
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an invalid offset validation leading to Out Of Bound Write. This can be triggered when the values `rect->left` and `rect-
- 9.8 Critical severity
ac6: Out-of-bounds Write
Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via the function "initIpAddrInfo." In the function, it reads in a user-provided parameter, and the variable is passed to the function without any length check.
- 9.8 Critical severity
ac6: Out-of-bounds Write
Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function 'sub_34FD0.' In the function, it reads user provided parameters and passes variables to the function without any length checks.
- 9.8 Critical severity
ac9: Out-of-bounds Write
Tenda AC9 V3.0 V15.03.06.42_multi and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter mac at url /goform/GetParentControlInfo.
- 9.8 Critical severity
ac7: Out-of-bounds Write
Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter time at url /goform/PowerSaveSet.
- 9.8 Critical severity
ac9: Out-of-bounds Write
Tenda AC9 V3.0 V15.03.06.42_multi and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter startIp and endIp at url /goform/SetPptpServerCfg.
- 9.8 Critical severity
ac7: Out-of-bounds Write
Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter page at url /goform/NatStaticSetting.
- 9.8 Critical severity
ac7: Out-of-bounds Write
Tenda AC7 V1.0 V15.03.06.44 and Tenda AC5 V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter entrys and mitInterface at url /goform/addressNat.
- 9.8 Critical severity
ac7: Out-of-bounds Write
Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter list at url /goform/SetIpMacBind.
- 9.8 Critical severity
ac9: Out-of-bounds Write
Tenda AC9 V3.0 V15.03.06.42_multi and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter list at url /goform/SetStaticRouteCfg.
- 9.8 Critical severity
ac7: Out-of-bounds Write
Tenda AC7 V1.0 V15.03.06.44 and Tenda AC9 V3.0 V15.03.06.42_multi were discovered to contain a stack overflow via parameter ssid at url /goform/fast_setting_wifi_set.
- 9.8 Critical severity
ArubaOS-Switch: Out-of-bounds Write
A memory corruption vulnerability in ArubaOS-Switch could lead to unauthenticated remote code execution by receiving specially crafted packets. Successful exploitation of this vulnerability results in the ability to execute arbitrary code as a privileged user
- 9.8 Critical severity
Zbar: Out-of-bounds Write
A stack-based buffer overflow vulnerability exists in the lookup_sequence function of ZBar 0.23.90. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input th
- 9.8 Critical severity
Zbar: Out-of-bounds Write
A heap-based buffer overflow exists in the qr_reader_match_centers function of ZBar 0.23.90. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input the malic
- 8.8 High severity
Yara: Out-of-bounds Write
Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to execute arbtirary code via the yr_execute_cod function in the exe.c component.
- 7.5 High severity
ax3: Out-of-bounds Write
Tenda AX3 v16.03.12.11 has a stack buffer overflow vulnerability detected at function form_fast_setting_wifi_set. This vulnerability allows attackers to cause a Denial of Service (DoS) via the ssid parameter.
- 9.8 Critical severity
ac10v4_firmware: Out-of-bounds Write
Tenda AC10 v4 US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via parameter macFilterType and parameter deviceList at /goform/setMacFilterCfg.
- 9.8 Critical severity
ac10: Out-of-bounds Write
Tenda AC10 v4 US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via parameter macFilterType and parameter deviceList at url /goform/setMacFilterCfg.
- 9.8 Critical severity
ac8: Out-of-bounds Write
Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn was discovered to contain a stack overflow via parameter macFilterType and parameter deviceList at /goform/setMacFilterCfg.
- 9.8 Critical severity
ac8v4: Out-of-bounds Write
Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn was discovered to contain a stack overflow via parameter schedStartTime and schedEndTime at /goform/openSchedWifi.
- 8.8 High severity
RX4-1500: Out-of-bounds Write
A stack-based buffer overflow exists in Juplink RX4-1500, a WiFi router, in versions 1.0.2 through 1.0.5. An authenticated attacker can exploit this vulnerability to achieve code execution as root.
- 9.8 Critical severity
Gecko Bootloader: Buffer Copy without Checking Size of Input
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Out-of-bounds Write, Download of Code Without Integrity Check vulnerability in Silicon Labs Gecko Bootloader on ARM (Firmware Update File Parser modules) allows Code Injection, Authenticat
- 7.8 High severity
EH-VIEW: Out-of-bounds Write
** UNSUPPORTED WHEN ASSIGNED ** Out-of-bounds Write vulnerability in Hitachi EH-VIEW (KeypadDesigner) allows local attackers to potentially execute arbitray code on affected EH-VIEW installations. User interaction is required to exploit the vulnerabilities in
- 7.8 High severity
EH-VIEW: Out-of-bounds Write
** UNSUPPORTED WHEN ASSIGNED ** Out-of-bounds Write vulnerability in Hitachi EH-VIEW (Designer) allows local attackers to potentially execute arbitray code on affected EH-VIEW installations. User interaction is required to exploit the vulnerabilities in that t
- 7.8 High severity
x12dpg-qr: Out-of-bounds Write
Buffer Overflow vulnerability in Supermicro motherboard X12DPG-QR 1.4b allows local attackers to hijack control flow via manipulation of SmcSecurityEraseSetupVar variable.
- 7.5 High severity
Crypto++: Out-of-bounds Write
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2
- 9.8 Critical severity
RUGGEDCOM RST2428P: Out-of-bounds Write
There is a stack overflow vulnerability in ash.c:6030 in busybox before 1.35. In the environment of Internet of Vehicles, this vulnerability can be executed from command to arbitrary code execution.
- 7.8 High severity
P7zip: Out-of-bounds Write
p7zip 16.02 was discovered to contain a heap-buffer-overflow vulnerability via the function NArchive::NZip::CInArchive::FindCd(bool) at CPP/7zip/Archive/Zip/ZipIn.cpp. NOTE: the Supplier has found that this is not a buffer overflow; at most an out-of-bounds re
- 7.5 High severity
Libsass: Out-of-bounds Write
Stack overflow vulnerability in ast_selectors.cpp: in function Sass::ComplexSelector::has_placeholder in libsass:3.6.5-8-g210218, which can be exploited by attackers to cause a denial of service (DoS).