Common Weakness Enumeration
CWE-123
AllowedWrite-what-where Condition
Abstraction: Base · Status: Draft
Any condition where the attacker has the ability to write an arbitrary value to an arbitrary location, often as the result of a buffer overflow.
86 vulnerabilities reference this CWE, most recent first.
CVE-2024-6563 (GCVE-0-2024-6563)
Vulnerability from cvelistv5 – Published: 2024-07-08 15:09 – Updated: 2024-08-01 21:41
VLAI
EPSS
VEX
Title
Buffer Overflow Arbitrary Write
Summary
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Renesas arm-trusted-firmware allows Local Execution of Code. This vulnerability is associated with program files https://github.Com/renesas-rcar/arm-trusted-firmware/blob/rcar_gen3_v2.5/drivers/renesas/common/io/i... https://github.Com/renesas-rcar/arm-trusted-firmware/blob/rcar_gen3_v2.5/drivers/renesas/common/io/io_rcar.C .
In line 313 "addr_loaded_cnt" is checked not to be "CHECK_IMAGE_AREA_CNT" (5) or larger, this check does not halt the function. Immediately after (line 317) there will be an overflow in the buffer and the value of "dst" will be written to the area immediately after the buffer, which is "addr_loaded_cnt". This will allow an attacker to freely control the value of "addr_loaded_cnt" and thus control the destination of the write immediately after (line 318). The write in line 318 will then be fully controlled by said attacker, with whichever address and whichever value ("len") they desire.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-08 15:29 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/renesas-rcar/arm-trusted-firmw… | |
| https://asrg.io/security-advisories/cve-2024-6563/ | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Renesas | rcar_gen3_v2.5 |
Affected:
c2f286820471ed276c57e603762bd831873e5a17 , ≤ c9fb3558410032d2660c7f3b7d4b87dec09fe2f2
(git)
|
|
| renesas | rcar_gen3_firmware |
Affected:
v2.5
cpe:2.3:o:renesas:rcar_gen3_firmware:v2.5:*:*:*:*:*:*:* |
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CVE-2022-40262 (GCVE-0-2022-40262)
Vulnerability from cvelistv5 – Published: 2022-09-20 17:35 – Updated: 2025-05-27 18:13
VLAI
EPSS
VEX
Title
The arbitrary write vulnerability in S3Resume2Pei leads to arbitrary code execution during PEI phase.
Summary
A potential attacker can execute an arbitrary code at the time of the PEI phase and influence the subsequent boot stages. This can lead to the mitigations bypassing, physical memory contents disclosure, discovery of any secrets from any Virtual Machines (VMs) and bypassing memory isolation and confidential computing boundaries. Additionally, an attacker can build a payload which can be injected into the SMRAM memory. This issue affects: Module name: S3Resume2Pei SHA256: 7bb29f05534a8a1e010443213451425098faebd45948a4642db969b19d0253fc Module GUID: 89E549B0-7CFE-449D-9BA3-10D8B2312D71
Severity
8.2 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-27 18:12 UTC
CWE
- CWE-123 - Write-what-where Condition
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.ami.com/security-center/ | x_refsource_MISC |
| https://www.binarly.io/advisories/BRLY-2022-009 | x_refsource_MISC |
Date Public
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CVE-2022-40246 (GCVE-0-2022-40246)
Vulnerability from cvelistv5 – Published: 2022-09-20 17:35 – Updated: 2025-05-28 18:41
VLAI
EPSS
VEX
Title
Arbitrary write vulnerability in SbPei module leads to arbitrary code execution during PEI phase.
Summary
A potential attacker can write one byte by arbitrary address at the time of the PEI phase (only during S3 resume boot mode) and influence the subsequent boot stages. This can lead to the mitigations bypassing, physical memory contents disclosure, discovery of any secrets from any Virtual Machines (VMs) and bypassing memory isolation and confidential computing boundaries. Additionally, an attacker can build a payload which can be injected into the SMRAM memory. This issue affects: Module name: SbPei SHA256: d827182e5f9b7a9ff0b9d3e232f7cfac43b5237e2681e11f005be627a49283a9 Module GUID: c1fbd624-27ea-40d1-aa48-94c3dc5c7e0d
Severity
7.2 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-28 18:40 UTC
CWE
- CWE-123 - Write-what-where Condition
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.ami.com/security-center/ | x_refsource_MISC |
| https://www.binarly.io/advisories/BRLY-2022-014 | x_refsource_MISC |
Date Public
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CVE-2022-38143 (GCVE-0-2022-38143)
Vulnerability from cvelistv5 – Published: 2022-12-23 23:03 – Updated: 2025-02-13 16:32
VLAI
EPSS
VEX
Summary
A heap out-of-bounds write vulnerability exists in the way OpenImageIO v2.3.19.0 processes RLE encoded BMP images. A specially-crafted bmp file can write to arbitrary out of bounds memory, which can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Severity
9.8 (Critical)
CWE
- CWE-123 - Write-what-where Condition
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenImageIO Project | OpenImageIO |
Affected:
master-branch-9aeece7a
Affected: v2.3.19.0 |
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CVE-2022-1523 (GCVE-0-2022-1523)
Vulnerability from cvelistv5 – Published: 2022-10-19 17:24 – Updated: 2025-04-16 16:08
VLAI
EPSS
VEX
Title
Fuji Electric D300win Write-what-where condition
Summary
Fuji Electric D300win prior to version 3.7.1.17 is vulnerable to a write-what-where condition, which could allow an attacker to overwrite program memory to manipulate the flow of information.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:49 UTC
CWE
- CWE-123 - Write-what-where Condition
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fuji Electric | D300win |
Affected:
3.7.1.16 , < 3.7.1.17
(custom)
|
Date Public
2022-08-30 00:00
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CVE-2021-45465 (GCVE-0-2021-45465)
Vulnerability from cvelistv5 – Published: 2024-01-04 11:20 – Updated: 2025-06-03 14:42
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in syngo fastView (All versions). The affected application lacks proper validation of user-supplied data when parsing BMP files. This could result in a write-what-where condition and an attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-15696)
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-08 15:48 UTC
CWE
- CWE-123 - Write-what-where Condition
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | syngo fastView |
Affected:
All versions
|
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CVE-2021-42540 (GCVE-0-2021-42540)
Vulnerability from cvelistv5 – Published: 2021-10-22 13:23 – Updated: 2024-09-16 21:04
VLAI
EPSS
VEX
Title
Emerson WirelessHART Gateway
Summary
The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality.
Severity
CWE
- CWE-123 - Write-what-where Condition
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Emerson | WirelessHART Gateway |
Affected:
1410 , ≤ 4.7.94
(custom)
Affected: 1410D , ≤ 4.7.94 (custom) Affected: 1420 , ≤ 4.7.94 (custom) |
Date Public
2021-10-05 00:00
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CVE-2021-38449 (GCVE-0-2021-38449)
Vulnerability from cvelistv5 – Published: 2021-10-22 11:23 – Updated: 2024-09-17 02:21
VLAI
EPSS
VEX
Title
AUVESY Versiondog
Summary
Some API functions permit by-design writing or copying data into a given buffer. Since the client controls these parameters, an attacker could rewrite the memory in any location of the affected product.
Severity
9.8 (Critical)
CWE
- CWE-123 - Write-what-where Condition
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-292-01 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AUVESY | Versiondog |
Affected:
All , ≤ 8.0
(custom)
|
Date Public
2021-08-19 00:00
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CVE-2021-38441 (GCVE-0-2021-38441)
Vulnerability from cvelistv5 – Published: 2022-05-05 15:15 – Updated: 2025-04-16 16:24
VLAI
EPSS
VEX
Title
Eclipse CycloneDDS Write-what-where Condition
Summary
Eclipse CycloneDDS versions prior to 0.8.0 are vulnerable to a write-what-where condition, which may allow an attacker to write arbitrary values in the XML parser.
Severity
6.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:52 UTC
CWE
- CWE-123 - Write-what-where Condition
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://projects.eclipse.org/projects/iot.cyclonedds | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse | CycloneDDS |
Affected:
unspecified , < 0.8.0
(custom)
|
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CVE-2021-36057 (GCVE-0-2021-36057)
Vulnerability from cvelistv5 – Published: 2021-09-01 14:33 – Updated: 2025-11-03 19:26
VLAI
EPSS
VEX
Title
XMP Toolkit SDK Write-What-Where Condition Could Lead To Local Application Denial Of Service
Summary
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a write-what-where condition vulnerability caused during the application's memory allocation process. This may cause the memory management functions to become mismatched resulting in local application denial of service in the context of the current user.
Severity
4 (Medium)
CWE
- CWE-123 - Write-what-where Condition (CWE-123)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | XMP Toolkit |
Affected:
unspecified , ≤ 2020.1
(custom)
Affected: unspecified , ≤ None (custom) |
Date Public
2021-08-16 00:00
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Mitigation
Architecture and Design
Strategy: Language Selection
Use a language that provides appropriate memory abstractions.
Mitigation
Operation
Use OS-level preventative functionality integrated after the fact. Not a complete solution.
No CAPEC attack patterns related to this CWE.