CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
CVE-2017-20228 (GCVE-0-2017-20228)
Vulnerability from cvelistv5 – Published: 2026-03-28 12:00 – Updated: 2026-03-30 17:22
VLAI
Title
Flat Assembler 1.71.21 Stack-Based Buffer Overflow ROP
Summary
Flat Assembler 1.71.21 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying oversized input to the application. Attackers can craft malicious assembly input exceeding 5895 bytes to overwrite the instruction pointer and execute return-oriented programming chains for shell command execution.
Severity
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/42265 | exploit |
| http://www.flatassembler.net | product |
| https://www.vulncheck.com/advisories/flat-assembl… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Flatassembler | Flat Assembler |
Affected:
1.71.21
|
Date Public
2017-06-28 00:00
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CVE-2017-20229 (GCVE-0-2017-20229)
Vulnerability from cvelistv5 – Published: 2026-03-28 11:58 – Updated: 2026-03-30 14:13
VLAI
Title
MAWK 1.3.3-17 Stack-Based Buffer Overflow
Summary
MAWK 1.3.3-17 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting inadequate boundary checks on user-supplied input. Attackers can craft malicious input that overflows the stack buffer and execute a return-oriented programming chain to spawn a shell with application privileges.
Severity
9.8 (Critical)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/42357 | exploit |
| https://www.vulncheck.com/advisories/mawk-17-stac… | third-party-advisory |
Date Public
2017-07-24 00:00
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CVE-2017-2580 (GCVE-0-2017-2580)
Vulnerability from cvelistv5 – Published: 2018-07-27 18:00 – Updated: 2024-08-05 13:55
VLAI
Summary
An out-of-bounds write vulnerability was found in netpbm before 10.61. A maliciously crafted file could cause the application to crash or possibly allow code execution.
Severity
4.5 (Medium)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/96712 | vdb-entryx_refsource_BID |
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| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
Date Public
2018-07-27 00:00
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CVE-2017-2581 (GCVE-0-2017-2581)
Vulnerability from cvelistv5 – Published: 2018-07-27 18:00 – Updated: 2024-08-05 13:55
VLAI
Summary
An out-of-bounds write vulnerability was found in netpbm before 10.61. A maliciously crafted file could cause the application to crash or possibly allow code execution.
Severity
4.5 (Medium)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/96710 | vdb-entryx_refsource_BID |
Date Public
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CVE-2017-2615 (GCVE-0-2017-2615)
Vulnerability from cvelistv5 – Published: 2018-07-02 18:00 – Updated: 2024-08-05 14:02
VLAI
Summary
Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.
Severity
5.5 (Medium)
CWE
Assigner
References
21 references
Date Public
2017-01-24 00:00
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CVE-2017-2620 (GCVE-0-2017-2620)
Vulnerability from cvelistv5 – Published: 2018-07-27 19:00 – Updated: 2024-08-05 14:02
VLAI
Summary
Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.
Severity
5.5 (Medium)
CWE
Assigner
References
23 references
Date Public
2017-02-21 00:00
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CVE-2017-2640 (GCVE-0-2017-2640)
Vulnerability from cvelistv5 – Published: 2018-07-27 18:00 – Updated: 2024-08-05 14:02
VLAI
Summary
An out-of-bounds write flaw was found in the way Pidgin before 2.12.0 processed XML content. A malicious remote server could potentially use this flaw to crash Pidgin or execute arbitrary code in the context of the pidgin process.
Severity
7.5 (High)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201706-10 | vendor-advisoryx_refsource_GENTOO |
| https://access.redhat.com/errata/RHSA-2017:1854 | vendor-advisoryx_refsource_REDHAT |
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Date Public
2018-07-27 00:00
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CVE-2017-6867 (GCVE-0-2017-6867)
Vulnerability from cvelistv5 – Published: 2017-05-11 10:00 – Updated: 2024-08-05 15:41
VLAI
Summary
A vulnerability was discovered in Siemens SIMATIC WinCC (V7.3 before Upd 11 and V7.4 before SP1), SIMATIC WinCC Runtime Professional (V13 before SP2 and V14 before SP1), SIMATIC WinCC (TIA Portal) Professional (V13 before SP2 and V14 before SP1) that could allow an authenticated, remote attacker who is member of the "administrators" group to crash services by sending specially crafted messages to the DCOM interface.
Severity
No CVSS data available.
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/98368 | vdb-entryx_refsource_BID |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
| https://www.siemens.com/cert/pool/cert/siemens_se… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Siemens SIMATIC WinCC |
Affected:
Siemens SIMATIC WinCC
|
Date Public
2017-05-10 00:00
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CVE-2017-7467 (GCVE-0-2017-7467)
Vulnerability from cvelistv5 – Published: 2018-07-11 13:00 – Updated: 2024-08-05 16:04
VLAI
Summary
A buffer overflow flaw was found in the way minicom before version 2.7.1 handled VT100 escape sequences. A malicious terminal device could potentially use this flaw to crash minicom, or execute arbitrary code in the context of the minicom process.
Severity
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2017/04/18/5 | mailing-listx_refsource_MLIST |
| http://www.securityfocus.com/bid/97966 | vdb-entryx_refsource_BID |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/201706-13 | vendor-advisoryx_refsource_GENTOO |
Date Public
2017-04-18 00:00
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CVE-2017-7523 (GCVE-0-2017-7523)
Vulnerability from cvelistv5 – Published: 2017-07-21 22:00 – Updated: 2024-09-16 18:03
VLAI
Summary
Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cygwin.com/ml/cygwin/2017-05/msg00149.html | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat, Inc. | cygwin |
Affected:
since 1.7.2 up to 2.8.0
|
Date Public
2017-05-10 00:00
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Mitigation ID: MIT-3
Phase: Requirements
Strategy: Language Selection
Description:
- 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.
Mitigation ID: MIT-4.1
Phase: Architecture and Design
Strategy: Libraries or Frameworks
Description:
- 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 [REF-57], and the Strsafe.h library from Microsoft [REF-56]. These libraries provide safer versions of overflow-prone string-handling functions.
Mitigation ID: MIT-10
Phases: Operation, Build and Compilation
Strategy: Environment Hardening
Description:
- 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 ID: MIT-9
Phase: Implementation
Description:
- Consider adhering to the following rules when allocating and managing an application's memory:
- Double check that the buffer is as large as specified.
- When using functions that accept a number of bytes to copy, such as strncpy(), be aware that if the destination buffer size is equal to the source buffer size, it may not NULL-terminate the string.
- Check buffer boundaries if accessing the buffer in a loop and make sure there is no danger of writing past the allocated space.
- If necessary, truncate all input strings to a reasonable length before passing them to the copy and concatenation functions.
Mitigation ID: MIT-11
Phases: Operation, Build and Compilation
Strategy: Environment Hardening
Description:
- 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].
Mitigation ID: MIT-12
Phase: Operation
Strategy: Environment Hardening
Description:
- 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 [REF-60] [REF-61]. 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 [REF-1336].
Mitigation ID: MIT-13
Phase: Implementation
Description:
- Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.
No CAPEC attack patterns related to this CWE.