CWE-122
Heap-based Buffer Overflow
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().
CVE-2018-1120 (GCVE-0-2018-1120)
Vulnerability from cvelistv5 – Published: 2018-06-20 13:00 – Updated: 2024-08-05 03:51
VLAI
Summary
A flaw was found affecting the Linux kernel before version 4.17. By mmap()ing a FUSE-backed file onto a process's memory containing command line arguments (or environment strings), an attacker can cause utilities from psutils or procps (such as ps, w) or any other program which makes a read() call to the /proc/<pid>/cmdline (or /proc/<pid>/environ) files to block indefinitely (denial of service) or for some controlled time (as a synchronization primitive for other attacks).
Severity
CWE
Assigner
References
15 references
Date Public
2018-05-17 00:00
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CVE-2018-1123 (GCVE-0-2018-1123)
Vulnerability from cvelistv5 – Published: 2018-05-23 14:00 – Updated: 2025-12-17 21:19
VLAI
Summary
procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maps a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service).
Severity
CWE
Assigner
References
14 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| [UNKNOWN] | procps-ng, procps |
Affected:
procps-ng 3.3.15
|
Date Public
2018-05-17 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
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)
Assigner
References
22 references
Date Public
2018-05-17 00:00
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CVE-2018-11457 (GCVE-0-2018-11457)
Vulnerability from cvelistv5 – Published: 2018-12-12 16:00 – Updated: 2024-08-05 08:10
VLAI
Summary
A vulnerability has been identified in SINUMERIK 828D V4.7 (All versions < V4.7 SP6 HF1), SINUMERIK 840D sl V4.7 (All versions < V4.7 SP6 HF5), SINUMERIK 840D sl V4.8 (All versions < V4.8 SP3). The integrated web server on port 4842/tcp of the affected products could allow a remote attacker to execute code with privileged permissions on the system by sending specially crafted network requests to port 4842/tcp. Please note that this vulnerability is only exploitable if port 4842/tcp is manually opened in the firewall configuration of network port X130. The security vulnerability could be exploited by an attacker with network access to the affected devices on port 4842/tcp. Successful exploitation requires no privileges and no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the web server. At the time of advisory publication no public exploitation of this security vulnerability was known.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/106185 | vdb-entryx_refsource_BID |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens AG | SINUMERIK 828D V4.7, SINUMERIK 840D sl V4.7, SINUMERIK 840D sl V4.8 |
Affected:
SINUMERIK 828D V4.7 : All versions < V4.7 SP6 HF1
Affected: SINUMERIK 840D sl V4.7 : All versions < V4.7 SP6 HF5 Affected: SINUMERIK 840D sl V4.8 : All versions < V4.8 SP3 |
Date Public
2018-12-12 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
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-2018-14290 (GCVE-0-2018-14290)
Vulnerability from cvelistv5 – Published: 2018-07-31 20:00 – Updated: 2024-08-05 09:21
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PDF documents. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-6222.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_CONFIRM |
| https://zerodayinitiative.com/advisories/ZDI-18-750 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | Foxit Reader |
Affected:
9.0.1.5096
|
Date Public
2018-07-19 00:00
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CVE-2018-14618 (GCVE-0-2018-14618)
Vulnerability from cvelistv5 – Published: 2018-09-05 19:00 – Updated: 2026-04-15 20:54
VLAI
Summary
curl before version 7.61.1 is vulnerable to a buffer overrun in the NTLM authentication code. The internal function Curl_ntlm_core_mk_nt_hash multiplies the length of the password by two (SUM) to figure out how large temporary storage area to allocate from the heap. The length value is then subsequently used to iterate over the password and generate output into the allocated storage buffer. On systems with a 32 bit size_t, the math to calculate SUM triggers an integer overflow when the password length exceeds 2GB (2^31 bytes). This integer overflow usually causes a very small buffer to actually get allocated instead of the intended very huge one, making the use of that buffer end up in a heap buffer overflow. (This bug is almost identical to CVE-2017-8816.)
Severity
7.5 (High)
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://curl.haxx.se/docs/CVE-2018-14618.html | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/201903-03 | vendor-advisoryx_refsource_GENTOO |
| https://usn.ubuntu.com/3765-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://access.redhat.com/errata/RHSA-2018:3558 | vendor-advisoryx_refsource_REDHAT |
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CVE-2018-14653 (GCVE-0-2018-14653)
Vulnerability from cvelistv5 – Published: 2018-10-31 19:00 – Updated: 2024-08-05 09:38
VLAI
Summary
The Gluster file system through versions 4.1.4 and 3.12 is vulnerable to a heap-based buffer overflow in the '__server_getspec' function via the 'gf_getspec_req' RPC message. A remote authenticated attacker could exploit this to cause a denial of service or other potential unspecified impact.
Severity
6.5 (Medium)
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:3431 | vendor-advisoryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
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| https://access.redhat.com/errata/RHSA-2018:3470 | vendor-advisoryx_refsource_REDHAT |
| https://security.gentoo.org/glsa/201904-06 | vendor-advisoryx_refsource_GENTOO |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Gluster Project | glusterfs |
Affected:
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|
Date Public
2018-10-31 00:00
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CVE-2018-14794 (GCVE-0-2018-14794)
Vulnerability from cvelistv5 – Published: 2018-10-01 13:00 – Updated: 2024-09-16 17:14
VLAI
Summary
Fuji Electric Alpha5 Smart Loader Versions 3.7 and prior. The device does not perform a check on the length/size of a project file before copying the entire contents of the file to a heap-based buffer.
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/105411 | vdb-entryx_refsource_BID |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-270-02 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fuji Electric | Alpha5 Smart Loader |
Affected:
3.7 and prior
|
Date Public
2018-09-27 00:00
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CVE-2018-14813 (GCVE-0-2018-14813)
Vulnerability from cvelistv5 – Published: 2018-09-26 20:00 – Updated: 2024-09-17 01:26
VLAI
Summary
Fuji Electric V-Server 4.0.3.0 and prior, A heap-based buffer overflow vulnerability has been identified, which may allow remote code execution.
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-18-254-01 | x_refsource_MISC |
| http://www.securityfocus.com/bid/105341 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fuji Electric | V-Server |
Affected:
4.0.3.0 and prior
|
Date Public
2018-09-11 00:00
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Mitigation
Phases:
Description:
- Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Phase: Architecture and Design
Description:
- Use an abstraction library to abstract away risky APIs. Not a complete solution.
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-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
Phase: Implementation
Description:
- Implement and perform bounds checking on input.
Mitigation
Phase: Implementation
Strategy: Libraries or Frameworks
Description:
- Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Phase: Operation
Description:
- 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.