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().
4172 vulnerabilities reference this CWE, most recent first.
CVE-2018-8793 (GCVE-0-2018-8793)
Vulnerability from cvelistv5 – Published: 2019-02-05 20:00 – Updated: 2024-09-17 00:51
VLAI
EPSS
VEX
Summary
rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function cssp_read_tsrequest() that results in a memory corruption and probably even a remote code execution.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
7 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/106938 | vdb-entryx_refsource_BID |
| https://github.com/rdesktop/rdesktop/commit/4dca5… | x_refsource_MISC |
| https://security.gentoo.org/glsa/201903-06 | vendor-advisoryx_refsource_GENTOO |
| https://research.checkpoint.com/reverse-rdp-attac… | x_refsource_CONFIRM |
| https://www.debian.org/security/2019/dsa-4394 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Check Point Software Technologies Ltd. | rdesktop |
Affected:
All versions up to and including v1.8.3
|
Date Public
2019-02-05 00:00
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CVE-2018-7519 (GCVE-0-2018-7519)
Vulnerability from cvelistv5 – Published: 2018-03-21 20:00 – Updated: 2024-09-16 18:13
VLAI
EPSS
VEX
Summary
In Omron CX-Supervisor Versions 3.30 and prior, parsing malformed project files may cause a heap-based buffer overflow.
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
2 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/103394 | vdb-entryx_refsource_BID |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-072-01 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ICS-CERT | Omron CX-Supervisor |
Affected:
Version 3.30 and prior
|
Date Public
2018-03-13 00:00
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CVE-2018-7507 (GCVE-0-2018-7507)
Vulnerability from cvelistv5 – Published: 2018-05-04 19:00 – Updated: 2024-09-16 17:43
VLAI
EPSS
VEX
Summary
WPLSoft in Delta Electronics versions 2.45.0 and prior utilizes a fixed length heap buffer where a value larger than the buffer can be read from a file into the buffer, causing the buffer to be overwritten, which may allow remote code execution or cause the application to crash.
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
2 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/103179 | vdb-entryx_refsource_BID |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-058-02 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ICS-CERT | Delta Electronics WPLSoft |
Affected:
WPLSoft, Versions 2.45.0 and prior.
|
Date Public
2018-02-27 00:00
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CVE-2018-6345 (GCVE-0-2018-6345)
Vulnerability from cvelistv5 – Published: 2019-01-15 22:00 – Updated: 2024-08-05 06:01
VLAI
EPSS
VEX
Summary
The function number_format is vulnerable to a heap overflow issue when its second argument ($dec_points) is excessively large. The internal implementation of the function will cause a string to be created with an invalid length, which can then interact poorly with other functions. This affects all supported versions of HHVM (3.30.1 and 3.27.5 and below).
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/facebook/hhvm/commit/190ffdf6c… | x_refsource_MISC |
| https://hhvm.com/blog/2019/01/14/hhvm-3.30.2.html | x_refsource_MISC |
Impacted products
Date Public
2019-01-15 00:00
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CVE-2018-6344 (GCVE-0-2018-6344)
Vulnerability from cvelistv5 – Published: 2018-12-31 22:00 – Updated: 2025-05-06 16:02
VLAI
EPSS
VEX
Summary
A heap corruption in WhatsApp can be caused by a malformed RTP packet being sent after a call is established. The vulnerability can be used to cause denial of service. It affects WhatsApp for Android prior to v2.18.293, WhatsApp for iOS prior to v2.18.93, and WhatsApp for Windows Phone prior to v2.18.172.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://googleprojectzero.blogspot.com/2018/12/ad… | x_refsource_MISC |
| http://www.securityfocus.com/bid/106365 | vdb-entryx_refsource_BID |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| WhatsApp for Android |
Affected:
2.18.293
Affected: unspecified , < 2.18.293 (custom) |
||
| WhatsApp for iOS |
Affected:
2.18.93
Affected: unspecified , < 2.18.93 (custom) |
||
| WhatsApp for Windows Phone |
Affected:
2.18.172
Affected: unspecified , < 2.18.172 (custom) |
Date Public
2018-12-31 00:00
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CVE-2018-4833 (GCVE-0-2018-4833)
Vulnerability from cvelistv5 – Published: 2018-06-14 16:00 – Updated: 2024-08-05 05:18
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in RFID 181EIP (All versions), RUGGEDCOM Win (V4.4, V4.5, V5.0, and V5.1), SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.3), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.4.1), SCALANCE X-200RNA switch family (All versions < V3.2.6), SCALANCE X-300 switch family (incl. SIPLUS NET variants) (All versions < V4.1.3), SCALANCE X408 (All versions < V4.1.3), SCALANCE X414 (All versions), SIMATIC RF182C (All versions). Unprivileged remote attackers located in the same local network segment (OSI Layer 2) could gain remote code execution on the affected products by sending a specially crafted DHCP response to a client's DHCP request.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | RFID 181EIP |
Affected:
All versions
|
|
| Siemens | RUGGEDCOM Win |
Affected:
V4.4, V4.5, V5.0, and V5.1
|
|
| Siemens | SCALANCE X-200 switch family (incl. SIPLUS NET variants) |
Affected:
All versions < V5.2.3
|
|
| Siemens | SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) |
Affected:
All versions < V5.4.1
|
|
| Siemens | SCALANCE X-200RNA switch family |
Affected:
All versions < V3.2.6
|
|
| Siemens | SCALANCE X-300 switch family (incl. SIPLUS NET variants) |
Affected:
All versions < V4.1.3
|
|
| Siemens | SCALANCE X408 |
Affected:
All versions < V4.1.3
|
|
| Siemens | SCALANCE X414 |
Affected:
All versions
|
|
| Siemens | SIMATIC RF182C |
Affected:
All versions
|
Date Public
2018-06-12 00:00
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CVE-2018-3858 (GCVE-0-2018-3858)
Vulnerability from cvelistv5 – Published: 2018-07-19 19:00 – Updated: 2024-09-16 18:02
VLAI
EPSS
VEX
Summary
An exploitable heap overflow exists in the TIFF parsing functionality of Canvas Draw version 4.0.0. A specially crafted TIFF image processed via the application can lead to an out-of-bounds write, overwriting arbitrary data. An attacker can deliver a TIFF image to trigger this vulnerability and gain the ability to execute code. A different vulnerability than CVE-2018-3857.
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
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ACD Systems | Canvas Draw |
Affected:
ACD Systems Canvas Draw 4.0.0
|
Date Public
2018-07-19 00:00
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CVE-2018-3857 (GCVE-0-2018-3857)
Vulnerability from cvelistv5 – Published: 2018-07-19 19:00 – Updated: 2024-09-17 03:28
VLAI
EPSS
VEX
Summary
An exploitable heap overflow exists in the TIFF parsing functionality of Canvas Draw version 4.0.0. A specially crafted TIFF image processed via the application can lead to an out-of-bounds write, overwriting arbitrary data. An attacker can deliver a TIFF image to trigger this vulnerability and gain code execution. A different vulnerability than CVE-2018-3858.
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
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ACD Systems | Canvas Draw |
Affected:
ACD Systems Canvas Draw 4.0
|
Date Public
2018-07-19 00:00
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CVE-2018-1165 (GCVE-0-2018-1165)
Vulnerability from cvelistv5 – Published: 2018-02-21 14:00 – Updated: 2024-08-05 03:51
VLAI
EPSS
VEX
Summary
This vulnerability allows local attackers to escalate privileges on vulnerable installations of Joyent SmartOS release-20170803-20170803T064301Z. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the SMB_IOC_SVCENUM IOCTL. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the host OS. Was ZDI-CAN-4983.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://help.joyent.com/hc/en-us/articles/360000124928 | x_refsource_CONFIRM |
| https://zerodayinitiative.com/advisories/ZDI-18-158 | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuapr2020.html | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Joyent | Joyent SmartOS |
Affected:
release-20170803-20170803T064301Z
|
Date Public
2018-01-26 00:00
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CVE-2018-1124 (GCVE-0-2018-1124)
Vulnerability from cvelistv5 – Published: 2018-05-23 13:00 – Updated: 2025-12-18 11:37
VLAI
EPSS
VEX
Summary
procps-ng before version 3.3.15 is vulnerable to multiple integer overflows leading to a heap corruption in file2strvec function. This allows a privilege escalation for a local attacker who can create entries in procfs by starting processes, which could result in crashes or arbitrary code execution in proc utilities run by other users.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
22 references
Date Public
2018-05-17 00:00
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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.