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Anomaly in computer security and programming
information security, a buffer overflow or buffer overrun is a bug whereby a program writes data to a buffer beyond the buffer's allocated memory, overwriting
Buffer_overflow
Software security techniques
Buffer overflow protection is any of various techniques used during software development to enhance the security of executable programs by detecting buffer
Buffer_overflow_protection
Topics referred to by the same term
represent Buffer overflow, a situation whereby the incoming data size exceeds that which can be accommodated by a buffer. Heap overflow, a type of buffer overflow
Overflow
Software anomaly
In software, a stack buffer overflow or stack buffer overrun occurs when a program writes to a memory address on the program's call stack outside of the
Stack_buffer_overflow
Computer fault caused by access to restricted memory
points to memory that has been freed/deallocated/deleted) A buffer overflow A stack overflow Attempting to execute a program that does not compile correctly
Segmentation_fault
Software development methodology
engineering. Buffer overflows, a common software security vulnerability, happen when a process tries to store data beyond a fixed-length buffer. For example
Secure_coding
Computer arithmetic error
unexpectedly small, potentially leading to a buffer overflow which, depending on the use of the buffer, might in turn cause arbitrary code execution
Integer_overflow
Standard library for the C programming language
possible buffer overflows if the bounds are not checked manually; string routines in general, for side-effects, encouraging irresponsible buffer usage,
C_standard_library
Theoretical video buffer model
before the buffer overflows. A larger buffer size simply means that the decoder will tolerate high bitrates for longer periods of time, but no buffer is infinite
Video_buffering_verifier
Tool to detect memory-related bugs
delete [] array; return res; } ==25372==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61400000ffd4 at pc 0x0000004ddb59 bp 0x7fffea6005a0 sp
Code_sanitizer
Type of software bug
similar to a buffer overflow), the stack is said to overflow, typically resulting in a program crash. The most common cause of stack overflow is excessively
Stack_overflow
Memory used temporarily in data transfers
computer. Buffer overflow Buffer underrun Circular buffer Disk buffer Frame buffer for use in graphical display Depth buffer, Stencil buffer, for different
Data_buffer
Software anomaly
A heap overflow, heap overrun, or heap smashing is a type of buffer overflow that occurs in the heap data area. Heap overflows are exploitable in a different
Heap_overflow
State when an empty buffer is read from
term as defined above is distinct from buffer overflow, a condition where a portion of memory forms a buffer of a fixed size yet is filled with more
Buffer_underrun
Computer feature
security, safety, catching all attempts at out-of-bounds access and buffer overflow. Descriptors are a form of capability system. The development of the
Burroughs large systems descriptors
Burroughs_large_systems_descriptors
High-level programming language
Corporation, Buffer overflow in crypto.signText() Archived 2014-06-04 at the Wayback Machine Festa, Paul (19 August 1998). "Buffer-overflow bug in IE".
JavaScript
Method of compromising a host OS though the VM
feature for VMware CVE-2008-1943 Xen Para Virtualized Frame Buffer backend buffer overflow. CVE-2009-1244 Cloudburst: VM display function in VMware CVE-2011-1751
Virtual_machine_escape
Computer worm
vulnerability known as a buffer overflow. It did this by using a long string of the repeated letter 'N' to overflow a buffer, allowing the worm to execute
Code_Red_(computer_worm)
Topics referred to by the same term
stack overflow is a programming error when too much memory is used on the call stack. Stack overflow may also refer to: Stack buffer overflow, when a
Stack overflow (disambiguation)
Stack_overflow_(disambiguation)
Computer language security feature
sites which are attacked using techniques such as SQL injection or buffer overflow attack approaches. The concept behind taint checking is that any variable
Taint_checking
State of being protected from memory access bugs
security vulnerabilities when dealing with memory access, such as buffer overflows and dangling pointers. For example, Java is memory-safe because its
Memory_safety
2003 Windows computer worm
allowed for execution of the attack. The worm spreads by exploiting a buffer overflow discovered by the Polish security research group Last Stage of Delirium
Blaster_(computer_worm)
Loa of Haitian Vodou, Louisiana Voodoo and folk beliefs
Last Jam. A privilege escalation vulnerability caused by a heap-based buffer overflow in the computer program sudo was named "Baron Samedit" as a combination
Baron_Samedi
Computer security exploit technique
Windows provided no buffer-overrun protections until 2004. Eventually, operating systems began to combat the exploitation of buffer overflow bugs by marking
Return-oriented_programming
1988 Internet worm
including: A hole in the debug mode of the Unix sendmail program A buffer overflow or overrun hole in the finger network service The transitive trust
Morris_worm
once, the keyboard buffer overflows and will emit a beep from the computer's internal speaker. The use of keyboard buffers is sometimes known from the
Keyboard_buffer
Concept in computer security
such as the stack and heap, as non-executable, helping to prevent buffer overflow exploits. These attacks rely on some part of memory, usually the stack
Executable-space_protection
Malicious archive file designed to disrupt the program or system reading it
are performed on archives to help prevent attacks that would cause a buffer overflow, an out-of-memory condition, or exceed an acceptable amount of program
Zip_bomb
Unexpected program exit due to an error
memory addresses, incorrect address values in the program counter, buffer overflow, overwriting a portion of the affected program code due to an earlier
Crash_(computing)
Concept in computer security
inputs in an exploit. In a classical attack taking advantage of a stack buffer overflow, the input given to a vulnerable program is crafted and delivered so
Weird_machine
Sequence of characters, data type
representations requiring a terminating character are commonly susceptible to buffer overflow problems if the terminating character is not present, caused by a coding
String_(computer_science)
American computer security expert
information and security vulnerabilities. In addition to pioneering buffer overflow work, the security advisories he released contained early examples
Peiter_Zatko
Family of botnet computer worms
DCOM Remote Buffer Overflow (CVE-2003-0352) MS04-011 LSASS Remote Buffer Overflow (CVE-2003-0533) MS05-039 Plug and Play Remote Buffer Overflow (CVE-2005-1983)
Agobot
System-on-a-chip series designed by Apple Inc.
Tagging Extension (EMTE) in synchronous mode. The system defends against buffer overflow and use-after-free vulnerabilities and protects against side-channel
Apple_M5
Unix-like operating system
which eliminates certain buffer overflows and buffer management problems. Also, many exploits work by overrunning a buffer to trick the program into
Minix_3
Computer security attack
"return-to-libc" attack is a computer security attack usually starting with a buffer overflow in which a subroutine return address on a call stack is replaced by
Return-to-libc_attack
2003 computer worm
most of its 75,000 victims within 10 minutes. The program exploited a buffer overflow bug in Microsoft's SQL Server and Desktop Engine database products
SQL_Slammer
Sequence in no-operation instructions
known technique for exploiting stack buffer overflows. It solves the problem of finding the exact address of the buffer by effectively increasing the size
NOP_slide
Linux computer virus
Linux system via three known kernel vulnerabilities: mount buffer overflow, tip buffer overflow and one suidperl bug, which allow it to remain resident on
Staog
In programming, detecting whether a variable is within given bounds before use
program to malfunction or crash or enable security vulnerabilities (see buffer overflow), index checking is a part of many high-level languages. Early compiled
Bounds_checking
Concept in computer security
protecting a procedure's stored return address, such as from a stack buffer overflow or call stack spoofing. The shadow stack itself is a second, separate
Shadow_stack
Software development methodology
input. This particular bug demonstrates a vulnerability which enables buffer overflow exploits. Here is a solution to this example: int secure_programming(char
Defensive_programming
Software development kit
that connected to the malicious user's ADB server. The client had a buffer overflow vulnerability and wasn't compiled with any hardening options like a
Android_SDK
compromise authenticated user sessions. Buffer overflow in the REST API (CVE-2025-10948): Localized critical buffer overflow in the JSON parsing function through
RouterOS
Computer file format for a multimedia playlist
buffer overflow in Apple iTunes before 10.6.3 allows remote attackers to execute arbitrary commands". cve.circl.lu. "CVE-2000-0624: Buffer overflow in
M3U
American computer security researcher
Retrieved April 9, 2021. "Filling in the Blanks: Exploiting Null Byte Buffer Overflow for a $40,000 Bounty". samcurry.net. Retrieved November 3, 2019. "Web
Sam_Curry
System-on-a-chip designed by Apple Inc.
synchronous mode. The system operates continuously to defend against buffer overflow and use-after-free vulnerabilities while protecting against side-channel
Apple_A19
Software bug
effective detection method. Computer programming portal Access control Buffer overflow Confidentiality Information flow Type safety "CWE - CWE-125: Out-of-bounds
Out-of-bounds_read
Computer security exploit, discovered 2014
different and unique attacks by exploiting the vulnerability including buffer overflow attacks as well as certificate verification bypasses. The exploit was
WinShock
Method of using software to modify the intended behavior of hardware
Exploit — allows the PlayStation 2 to run homebrew by exploiting a buffer overflow in the BIOS code responsible for loading original PlayStation games
Softmod
1999 Microsoft operating system version
malicious programs exploiting the IIS services – specifically a notorious buffer overflow tendency. This tendency is not operating-system-version specific, but
Windows_2000
Arbitrary code execution exploit
an attacker controlling the call stack, for example through a stack buffer overflow, is able to influence the control flow of the program through simple
Sigreturn-oriented programming
Sigreturn-oriented_programming
Swiss mobile game publisher
Miniclip: The Retro64 / Miniclip CR64 Loader ActiveX control contains a buffer overflow vulnerability. This may allow a remote, unauthenticated attacker to
Miniclip
Type of software bug
is being used). Using memory beyond the memory that was allocated (buffer overflow): If an array is used in a loop, with incorrect terminating condition
Memory_corruption
Abstract data type
unauthorized operations. This type of attack is a variation on the buffer overflow attack and is an extremely frequent source of security breaches in
Stack_(abstract_data_type)
Software graphics library
Tag Buffer Overflow Vulnerability Archived 2010-08-19 at the Wayback Machine Release Date:2005-05-11 - Secunia Advisories Stack-based buffer overflow in
LibTIFF
General-purpose programming language
standard part of C, such as bounds checking for arrays, detection of buffer overflow, serialization, dynamic memory tracking, and automatic garbage collection
C_(programming_language)
Catalog of software weaknesses and vulnerabilities
released in July 2024. CWE has over 600 categories, including classes for buffer overflows, path/directory tree traversal errors, race conditions, cross-site
Common_Weakness_Enumeration
Information security awards
PrintNightmare. Best Client-Side Bug: Gunnar Alendal's discovery of a buffer overflow on the Samsung Galaxy S20's secure chip. Most Under-Hyped Research:
Pwnie_Awards
Technology used in CPUs
into another program’s data storage area and execute it, such as in a buffer overflow attack. The term "NX bit" was introduced by Advanced Micro Devices
NX_bit
Code intended as a payload to exploit a software vulnerability
exploiting a vulnerability can be achieved by causing an error such as buffer overflow. If successful, the shellcode enables access to the machine via the
Shellcode
Control system architecture for supervision of machines and processes
Security researcher Jerry Brown submitted a similar advisory regarding a buffer overflow vulnerability in a Wonderware InBatchClient ActiveX control. Both vendors
SCADA
Process of increasing the security of a system
For example, one binary hardening technique is to detect potential buffer overflows and to substitute the existing code with safer code. The advantage
Hardening_(computing)
Type of denial-of-service software attack
2024-06-30 – via YouTube. Michal Zalewski (1999-08-19). "[RHSA-1999:028-01] Buffer overflow in libtermcap tgetent()". Newsgroup: muc.lists.bugtraq. Retrieved 2022-12-10
Fork_bomb
or overflow conditions. Buffer (telecommunication) Circular buffer This article incorporates public domain material from "variable length buffer". Federal
Variable-length_buffer
Exploitable weakness in a computer system
sufficient to prevent the attacker from injecting malicious code. Buffer overflow exploits, buffer underflow exploits, and boundary condition exploits typically
Vulnerability (computer security)
Vulnerability_(computer_security)
Computer security researcher
Feng Shui technique[non-primary source needed] for exploiting heap buffer overflows in browsers. In 2008, he presented research at Black Hat showing how
Alexander_Sotirov
Comprehensive analysis of software source code
vsprintf, and sscanf) that could lead to a buffer overflow vulnerability Pointer manipulation of buffers that may interfere with later bounds checking
Code_audit
Discouragement of use of a technology, feature, design, or practice
function is very dangerous because it provides no protection against overflowing the string s. The GNU library includes it for compatibility only. You
Deprecation
Computer operating system component
of the trusted system file. The Sasser worm spreads by exploiting a buffer overflow in the LSASS on Windows XP and Windows 2000 operating systems. "Configuring
Local Security Authority Subsystem Service
Local_Security_Authority_Subsystem_Service
Security features as used in OpenBSD operating system
it harder for programmers to accidentally leave buffers unterminated or allow them to be overflowed. They have been adopted by the NetBSD and FreeBSD
OpenBSD_security_features
Security and privacy features of the iOS operating system
to be marked as non-executable, working alongside ASLR to prevent buffer overflow attacks including return-to-libc attacks. As mentioned above, one use
Security_and_privacy_of_iOS
Concept in assembly language programming
function. Function prologue and epilogue also sometimes contain code for buffer overflow protection. A function prologue typically does the following actions
Function prologue and epilogue
Function_prologue_and_epilogue
Russian computer security specialist (born 1977)
including the return-to-libc attack and the first generic heap-based buffer overflow exploitation technique, as well as computer security protection techniques
Solar_Designer
Unpredictable result when running a program
integer division by zero, signed integer overflow, indexing an array outside of its defined bounds (see buffer overflow), or null pointer dereferencing. In
Undefined_behavior
Attack on a computer system by pinging a computer
However, when the target computer reassembles the malformed packet, a buffer overflow can occur, causing a system crash and potentially allowing the injection
Ping_of_death
American computer programmer
administration tool. He is also well known as the author of "The Tao of Windows Buffer Overflow." "L0pht in Transition". April 2007. Archived from the original on
Christien_Rioux
Computer security businessman
the first high-quality, public, step-by-step introduction to stack buffer overflow vulnerabilities and their exploitation. After the sale of SecurityFocus
Elias_Levy
Pointer that does not point to a valid object
this feature may be considered bad * style if not commented */ } Like buffer-overflow bugs, dangling/wild pointer bugs frequently become security holes.
Dangling_pointer
In memory-unsafe programming languages, lower-level issues such as buffer overflows and race conditions can be exploited to take partial or complete control
Attack_patterns
Cyber attack where any code can be run
commands or code. For example: Memory safety vulnerabilities such as buffer overflows or over-reads. Deserialization vulnerabilities Type confusion vulnerabilities
Arbitrary_code_execution
Neologism coined in 1965
O'Reilly, p. 64. ISBN 9780596005481 Jason Deckard (29 January 2005). Buffer Overflow Attacks: Detect, Exploit, Prevent. Syngress. p. 283. ISBN 978-0-08-048842-4
Fnord
Computer exploit using just-in-time compilation
redirect code execution into the newly generated code. For example, a buffer overflow or use after free bug could allow the attack to modify a function pointer
JIT_spraying
2003 book by Jon "Smibbs" Erickson
basic assembly programming. The demonstrated attacks range from simple buffer overflows on the stack to techniques involving overwriting the Global Offset
Hacking: The Art of Exploitation
Hacking:_The_Art_of_Exploitation
Portion of an object file containing executable instructions
Yu-An Tan; Ji-yan Zheng; Yuan-Da Cao; Xue-lan Zhang (October 2005). Buffer overflow protection based on adjusting code segment limit. IEEE International
Code_segment
Password recovery software
developer of the Norton family of computer security software) identified a buffer overflow vulnerability in version 4.9.24 that allowed for remote code execution
Cain_and_Abel_(software)
Polish hacker (born 1981)
January 24, 2012. "CA-2003-25 Buffer Overflow in Sendmail". CERT Advisories. Retrieved August 22, 2005. "CA-2003-12 Buffer Overflow in Sendmail". CERT Advisories
Michał_Zalewski
Topics referred to by the same term
smartphone to run Windows Mobile, released in November 2002 Canary value, a buffer overflow protection method in computer programming Canary, LLC, an oilfield
Canary
2006 video game
the Master Sword and the Hylian Shield. Following the discovery of a buffer overflow vulnerability in the Wii version of Twilight Princess, an exploit known
The Legend of Zelda: Twilight Princess
The_Legend_of_Zelda:_Twilight_Princess
File format for animated mouse cursors
(CVE-2004-1305) from a malformed file, and a specific stack-based buffer overflow in the animation-header length field of an ANI file could allow code
ANI_(file_format)
General-purpose programming language
manual memory management, bugs that represent security risks such as buffer overflow may be introduced in programs when inadvertently misused by the programmer
C++
expert in Lifelock infomercials. In May 2000, Stickley discovered a buffer overflow vulnerability in the Gauntlet Firewall manufactured by Network Associates
Jim_Stickley
header repeating the site's tagline. The second advisory described a buffer overflow in Windows 98 triggered by unusually long filename extensions, and
Securax
2004 computer worm
Update. The worm was named Sasser because it spreads by exploiting a buffer overflow in the component known as LSASS (Local Security Authority Subsystem
Sasser_(computer_worm)
Dynamic memory management in the C programming language
the implementation usually needs to be a part of the malloc library. Buffer overflow Memory debugger Memory protection Page size Variable-length array 7
C_dynamic_memory_allocation
Security issue for web applications
Twitter and Facebook. Cross-site scripting flaws have since surpassed buffer overflows to become the most common publicly reported security vulnerability
Cross-site_scripting
Software designed to enable access to unauthorized locations in a computer
issue – a vulnerability allowing a privilege escalation attack (via a buffer overflow) to gain administrator-level control. In response, Lenovo released
Rootkit
Networking protocol for clock synchronization
undergone security audits from several sources for several years. A stack buffer overflow exploit was discovered and patched in 2014. Apple was concerned enough
Network_Time_Protocol
Sports season
GPone. Buffer Overflow S.r.l. 6 February 2011. Retrieved 22 February 2011. "Rossi signs for Matteoni, but it's Louis". GPone. Buffer Overflow S.r.l. 15
2011 Grand Prix motorcycle racing season
2011_Grand_Prix_motorcycle_racing_season
affect the control flow or data flow of a program." Examples include: Buffer overflow Cross-site scripting Directory traversal Null byte injection SQL injection
Improper_input_validation
travel, tourism, insurance
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travel, tourism, insurance