Common Weakness Enumeration
CWE-122
AllowedHeap-based Buffer Overflow
Abstraction: Variant · Status: Draft
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
4111 vulnerabilities reference this CWE, most recent first.
CVE-2020-7586 (GCVE-0-2020-7586)
Vulnerability from cvelistv5 – Published: 2020-06-10 16:23 – Updated: 2024-08-04 09:33
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). A buffer overflow vulnerability could allow a local attacker to cause a Denial-of-Service situation. The security vulnerability could be exploited by an attacker with local access to the affected systems. Successful exploitation requires user privileges but no user interaction. The vulnerability could allow an attacker to compromise the availability of the system as well as to have access to confidential information.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-05 | x_refsource_MISC |
| https://us-cert.cisa.gov/ics/advisories/icsa-20-161-05 | x_refsource_CONFIRM |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | SIMATIC PCS 7 V8.2 and earlier |
Affected:
All versions
|
|
| Siemens | SIMATIC PCS 7 V9.0 |
Affected:
All versions < V9.0 SP3
|
|
| Siemens | SIMATIC PDM |
Affected:
All versions < V9.2
|
|
| Siemens | SIMATIC STEP 7 V5.X |
Affected:
All versions < V5.6 SP2 HF3
|
|
| Siemens | SINAMICS STARTER (containing STEP 7 OEM version) |
Affected:
All versions < V5.4 HF2
|
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CVE-2020-6970 (GCVE-0-2020-6970)
Vulnerability from cvelistv5 – Published: 2020-02-19 20:19 – Updated: 2024-08-04 09:18
VLAI
EPSS
VEX
Summary
A Heap-based Buffer Overflow was found in Emerson OpenEnterprise SCADA Server 2.83 (if Modbus or ROC Interfaces have been installed and are in use) and all versions of OpenEnterprise 3.1 through 3.3.3, where a specially crafted script could execute code on the OpenEnterprise Server.
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.us-cert.gov/ics/advisories/icsa-20-049-02 | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Emerson | OpenEnterprise SCADA Server |
Affected:
2.83 (if Modbus or ROC Interfaces have been installed and are in use)
|
|
| Emerson | OpenEnterprise |
Affected:
3.1 through 3.3.3
|
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CVE-2020-6156 (GCVE-0-2020-6156)
Vulnerability from cvelistv5 – Published: 2020-11-13 14:41 – Updated: 2024-08-04 08:55
VLAI
EPSS
VEX
Summary
A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index.
Severity
8.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2020-6155 (GCVE-0-2020-6155)
Vulnerability from cvelistv5 – Published: 2020-11-13 14:38 – Updated: 2024-08-04 08:55
VLAI
EPSS
VEX
Summary
A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 while parsing compressed value rep arrays in binary USD files. A specially crafted malformed file can trigger a heap overflow, which can result in remote code execution. To trigger this vulnerability, the victim needs to access an attacker-provided malformed file.
Severity
8.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2020-6150 (GCVE-0-2020-6150)
Vulnerability from cvelistv5 – Published: 2020-11-13 14:24 – Updated: 2024-08-04 08:55
VLAI
EPSS
VEX
Summary
A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software USDC file format SPECS section decompression heap overflow.
Severity
8.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
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CVE-2020-6149 (GCVE-0-2020-6149)
Vulnerability from cvelistv5 – Published: 2020-11-13 14:44 – Updated: 2024-08-04 08:55
VLAI
EPSS
VEX
Summary
A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance in USDC file format PATHS section.
Severity
8.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
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CVE-2020-6148 (GCVE-0-2020-6148)
Vulnerability from cvelistv5 – Published: 2020-11-13 14:43 – Updated: 2024-08-04 08:55
VLAI
EPSS
VEX
Summary
A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. An instance exists in USDC file format FIELDSETS section decompression heap overflow.
Severity
8.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2020-6147 (GCVE-0-2020-6147)
Vulnerability from cvelistv5 – Published: 2020-11-13 14:43 – Updated: 2024-08-04 08:55
VLAI
EPSS
VEX
Summary
A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. This instance exists in the USDC file format FIELDS section decompression heap overflow.
Severity
8.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
| http://seclists.org/fulldisclosure/2020/Nov/20 | mailing-listx_refsource_FULLDISC |
Impacted products
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CVE-2020-6146 (GCVE-0-2020-6146)
Vulnerability from cvelistv5 – Published: 2020-09-16 18:48 – Updated: 2024-08-04 08:55
VLAI
EPSS
VEX
Summary
An exploitable code execution vulnerability exists in the rendering functionality of Nitro Pro 13.13.2.242 and 13.16.2.300. When drawing the contents of a page and selecting the stroke color from an 'ICCBased' colorspace, the application will read a length from the file and use it as a loop sentinel when writing data into the member of an object. Due to the object member being a buffer of a static size allocated on the heap, this can result in a heap-based buffer overflow. A specially crafted document must be loaded by a victim in order to trigger this vulnerability.
Severity
8.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2020-6007 (GCVE-0-2020-6007)
Vulnerability from cvelistv5 – Published: 2020-01-23 21:20 – Updated: 2024-08-04 08:47
VLAI
EPSS
VEX
Summary
Philips Hue Bridge model 2.X prior to and including version 1935144020 contains a Heap-based Buffer Overflow when handling a long ZCL string during the commissioning phase, resulting in a remote code execution.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www2.meethue.com/en-us/support/release-no… | x_refsource_MISC |
| https://research.checkpoint.com/2020/dont-be-sill… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Philips Hue Bridge 2.X |
Affected:
All versions prior to and including 1935144020
|
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Mitigation
Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation MIT-10
Operation
Build and Compilation
Strategy: Environment Hardening
- 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 MIT-11
Operation
Build and Compilation
Strategy: Environment Hardening
- 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
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Strategy: Libraries or Frameworks
Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Operation
Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.
CAPEC-92: Forced Integer Overflow
This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.