Common Weakness Enumeration
CWE-787
Allowed-with-ReviewOut-of-bounds Write
Abstraction: Base · Status: Draft
The product writes data past the end, or before the beginning, of the intended buffer.
15107 vulnerabilities reference this CWE, most recent first.
CVE-2026-3172 (GCVE-0-2026-3172)
Vulnerability from cvelistv5 – Published: 2026-02-25 20:59 – Updated: 2026-02-26 15:04
VLAI
EPSS
VEX
Title
pgvector buffer overflow in parallel HNSW index build
Summary
Buffer overflow in parallel HNSW index build in pgvector 0.6.0 through 0.8.1 allows a database user to leak sensitive data from other relations or crash the database server.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
Impacted products
Credits
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CVE-2026-3094 (GCVE-0-2026-3094)
Vulnerability from cvelistv5 – Published: 2026-03-04 08:36 – Updated: 2026-03-18 05:40
VLAI
EPSS
VEX
Title
File Parsing Out-Of-Bounds Write in CNCSoft-G2
Summary
Delta Electronics CNCSoft-G2 lacks proper validation of the user-supplied file. If a user opens a malicious file, an attacker can leverage this vulnerability to execute code in the context of the current process.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| deltaww | CNCSoft-G2 |
Affected:
0 , < 2.1.0.39
(custom)
|
Date Public
2026-03-04 08:20
Credits
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CVE-2026-3088 (GCVE-0-2026-3088)
Vulnerability from cvelistv5 – Published: 2026-06-09 15:50 – Updated: 2026-06-10 18:10
VLAI
EPSS
VEX
Title
Unauthenticated users can disrupt router operation
Summary
Unauthenticated users on the local network can cause the router to become unavailable by sending specially crafted requests.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds write
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://www.netgear.com/support/product/rbr860/ | productpatch |
| https://www.netgear.com/support/product/rbre950/ | productpatch |
| https://www.netgear.com/support/product/rbre960/ | productpatch |
| https://www.netgear.com/support/product/rbs860/ | productpatch |
| https://www.netgear.com/support/product/rbse960/ | productpatch |
| https://www.netgear.com/support/product/rbse950/ | productpatch |
| https://kb.netgear.com/000070811/June-2026-NETGEA… | vendor-advisory |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| NETGEAR | RBR860 |
Affected:
V6.3.7.10 , < V7.2.7.15
(custom)
|
|
| NETGEAR | RBRE950 |
Affected:
0 , < v7.2.7.15
(custom)
|
|
| NETGEAR | RBRE960 |
Affected:
V6.3.7.10 , < V7.2.7.15
(custom)
|
|
| NETGEAR | RBE970 |
Affected:
V6.3.7.10 , < V9.10.1.4
(custom)
|
|
| NETGEAR | RBE971 |
Affected:
V6.3.7.10 , < V9.10.1.4
(custom)
|
|
| NETGEAR | RBS860 |
Affected:
0 , < V7.2.7.15
(custom)
|
|
| NETGEAR | RBSE950 |
Affected:
0 , < v7.2.7.15
(custom)
|
|
| NETGEAR | RBSE960 |
Affected:
0 , < V7.2.7.15
(custom)
|
Date Public
2026-06-09 00:00
Credits
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CVE-2026-3086 (GCVE-0-2026-3086)
Vulnerability from cvelistv5 – Published: 2026-03-13 20:40 – Updated: 2026-07-15 01:09
VLAI
EPSS
VEX
Title
GStreamer H.266 Codec Parser Out-Of-Bounds Write Remote Code Execution Vulnerability
Summary
GStreamer H.266 Codec Parser Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the processing of APS units. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28911.
Severity
7.8 (High)
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://gitlab.freedesktop.org/gstreamer/gstreame… | vendor-advisory |
| https://access.redhat.com/security/cve/CVE-2026-3086 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2447493 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| GStreamer | GStreamer |
Affected:
1c6e163aa33962f5ee4a87d29319ccdd5cb67612
|
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
Date Public
2026-03-06 21:21
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CVE-2026-3038 (GCVE-0-2026-3038)
Vulnerability from cvelistv5 – Published: 2026-03-09 12:25 – Updated: 2026-03-09 16:03
VLAI
EPSS
VEX
Title
Local DoS and possible privilege escalation via routing sockets
Summary
The rtsock_msg_buffer() function serializes routing information into a buffer. As a part of this, it copies sockaddr structures into a sockaddr_storage structure on the stack. It assumes that the source sockaddr length field had already been validated, but this is not necessarily the case, and it's possible for a malicious userspace program to craft a request which triggers a 127-byte overflow.
In practice, this overflow immediately overwrites the canary for the rtsock_msg_buffer() stack frame, resulting in a panic once the function returns.
The bug allows an unprivileged user to crash the kernel by triggering a stack buffer overflow in rtsock_msg_buffer(). In particular, the overflow will corrupt a stack canary value that is verified when the function returns; this mitigates the impact of the stack overflow by triggering a kernel panic.
Other kernel bugs may exist which allow userspace to find the canary value and thus defeat the mitigation, at which point local privilege escalation may be possible.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.freebsd.org/advisories/FreeBSD-S… | vendor-advisory |
Impacted products
Date Public
2026-02-24 17:00
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CVE-2026-2940 (GCVE-0-2026-2940)
Vulnerability from cvelistv5 – Published: 2026-02-22 10:02 – Updated: 2026-02-23 19:12
VLAI
EPSS
VEX
Title
Zaher1307 tiny_web_server URL tiny.c out-of-bounds write
Summary
A vulnerability was determined in Zaher1307 tiny_web_server up to 8d77b1044a0ca3a5297d8726ac8aa2cf944d481b. This affects the function tiny_web_server/tiny.c of the file tiny_web_server/tiny.c of the component URL Handler. This manipulation causes out-of-bounds write. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.347312 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.347312 | signaturepermissions-required |
| https://vuldb.com/?submit.756036 | third-party-advisory |
| https://github.com/Zaher1307/tiny_web_server/issues/1 | issue-tracking |
| https://github.com/Zaher1307/tiny_web_server/issu… | exploitissue-tracking |
| https://github.com/Zaher1307/tiny_web_server/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zaher1307 | tiny_web_server |
Affected:
8d77b1044a0ca3a5297d8726ac8aa2cf944d481b
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CVE-2026-2923 (GCVE-0-2026-2923)
Vulnerability from cvelistv5 – Published: 2026-03-13 20:39 – Updated: 2026-07-15 01:10
VLAI
EPSS
VEX
Title
GStreamer DVB Subtitles Out-Of-Bounds Write Remote Code Execution Vulnerability
Summary
GStreamer DVB Subtitles Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the handling of coordinates. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28838.
Severity
7.8 (High)
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://gitlab.freedesktop.org/gstreamer/gstreame… | vendor-advisory |
| https://access.redhat.com/security/cve/CVE-2026-2923 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2447503 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:8854 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:6259 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19024 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:6750 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:8862 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:6300 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19180 | vendor-advisoryx_refsource_REDHAT |
Impacted products
15 products
| Vendor | Product | Version | |
|---|---|---|---|
| GStreamer | GStreamer |
Affected:
1c6e163aa33962f5ee4a87d29319ccdd5cb67612
|
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:1.24.11-3.el10_1 , < *
(rpm)
Unaffected: 0:1.26.7-2.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:1.24.11-2.el10_1 , < *
(rpm)
Unaffected: 0:1.26.7-2.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:1.24.11-3.el10_0 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:1.24.11-1.el10_0.1 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:1.24.11-1.el10_0.2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:1.16.1-6.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.22.12-5.el9_7 , < *
(rpm)
Unaffected: 0:1.22.12-7.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.22.12-5.el9_7 , < *
(rpm)
Unaffected: 0:1.22.12-8.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.22.12-4.el9_7 , < *
(rpm)
Unaffected: 0:1.22.12-6.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:1.22.12-5.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:1.22.12-4.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
Date Public
2026-03-06 21:20
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CVE-2026-2922 (GCVE-0-2026-2922)
Vulnerability from cvelistv5 – Published: 2026-03-13 20:38 – Updated: 2026-07-15 01:10
VLAI
EPSS
VEX
Title
GStreamer RealMedia Demuxer Out-Of-Bounds Write Remote Code Execution Vulnerability
Summary
GStreamer RealMedia Demuxer Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the processing of video packets. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28845.
Severity
7.8 (High)
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://gitlab.freedesktop.org/gstreamer/gstreame… | vendor-advisory |
| https://access.redhat.com/security/cve/CVE-2026-2922 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2447500 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:8854 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:6259 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19024 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:8862 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:6300 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19180 | vendor-advisoryx_refsource_REDHAT |
Impacted products
14 products
| Vendor | Product | Version | |
|---|---|---|---|
| GStreamer | GStreamer |
Affected:
1c6e163aa33962f5ee4a87d29319ccdd5cb67612
|
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:1.24.11-3.el10_1 , < *
(rpm)
Unaffected: 0:1.26.7-2.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:1.24.11-2.el10_1 , < *
(rpm)
Unaffected: 0:1.26.7-2.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:1.24.11-3.el10_0 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:1.24.11-1.el10_0.1 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:1.24.11-1.el10_0.2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.22.12-5.el9_7 , < *
(rpm)
Unaffected: 0:1.22.12-7.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.22.12-5.el9_7 , < *
(rpm)
Unaffected: 0:1.22.12-8.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.22.12-4.el9_7 , < *
(rpm)
Unaffected: 0:1.22.12-6.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:1.22.12-5.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:1.22.12-4.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
Date Public
2026-03-06 21:21
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CVE-2026-2681 (GCVE-0-2026-2681)
Vulnerability from cvelistv5 – Published: 2026-02-19 06:58 – Updated: 2026-02-19 21:32
VLAI
EPSS
VEX
Title
Github.com/supranational/blst: blst cryptographic library: denial of service via out-of-bounds stack write in key generation
Summary
A flaw was found in the blst cryptographic library. This out-of-bounds stack write vulnerability, specifically in the blst_sha256_bcopy assembly routine, occurs due to a missing zero-length guard. A remote attacker can exploit this by providing a zero-length salt parameter to key generation functions, such as blst_keygen_v5(), if the application exposes this functionality. Successful exploitation leads to memory corruption and immediate process termination, resulting in a denial-of-service (DoS) condition.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-2681 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2440580 | issue-trackingx_refsource_REDHAT |
Date Public
2026-02-18 00:00
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CVE-2026-2674 (GCVE-0-2026-2674)
Vulnerability from cvelistv5 – Published: 2026-06-17 17:25 – Updated: 2026-06-25 15:46
VLAI
EPSS
VEX
Title
Out-of-bounds Write vulnerability in RTI Connext Professional (Queueing Service,Core Libraries,Persistence Service) allows Overflow Buffers.
Summary
Out-of-bounds Write, Out-of-bounds Write, Out-of-bounds Write vulnerability in RTI Connext Professional (Queueing Service,Core Libraries,Persistence Service) allows Overflow Buffers, Overflow Buffers, Overflow Buffers.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| RTI | Connext Professional |
Affected:
7.4.0 , < 7.7.0
(custom)
Affected: 7.0.0 , < 7.3.1.3 (custom) Affected: 6.1.0 , < 6.1.* (custom) |
Date Public
2026-06-12 16:21
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Mitigation MIT-3
Requirements
Strategy: Language Selection
- 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 MIT-4.1
Architecture and Design
Strategy: Libraries or Frameworks
- 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 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-9
Implementation
- 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 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 MIT-12
Operation
Strategy: Environment Hardening
- 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 MIT-13
Implementation
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.