Common Weakness Enumeration
CWE-125
AllowedOut-of-bounds Read
Abstraction: Base · Status: Draft
The product reads data past the end, or before the beginning, of the intended buffer.
11494 vulnerabilities reference this CWE, most recent first.
GHSA-8JV5-QGX8-F2P7
Vulnerability from github – Published: 2024-10-07 03:30 – Updated: 2024-10-10 18:31
VLAI
Details
In m4u, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08996894; Issue ID: MSV-1636.
Severity
4.4 (Medium)
{
"affected": [],
"aliases": [
"CVE-2024-20095"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-10-07T03:15:02Z",
"severity": "MODERATE"
},
"details": "In m4u, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08996894; Issue ID: MSV-1636.",
"id": "GHSA-8jv5-qgx8-f2p7",
"modified": "2024-10-10T18:31:08Z",
"published": "2024-10-07T03:30:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-20095"
},
{
"type": "WEB",
"url": "https://corp.mediatek.com/product-security-bulletin/October-2024"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-8JVC-XJWM-WW9G
Vulnerability from github – Published: 2022-05-13 01:42 – Updated: 2022-05-13 01:42
VLAI
Details
The RIPng parser in tcpdump before 4.9.2 has a buffer over-read in print-ripng.c:ripng_print().
Severity
9.8 (Critical)
{
"affected": [],
"aliases": [
"CVE-2017-12992"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-09-14T06:29:00Z",
"severity": "CRITICAL"
},
"details": "The RIPng parser in tcpdump before 4.9.2 has a buffer over-read in print-ripng.c:ripng_print().",
"id": "GHSA-8jvc-xjwm-ww9g",
"modified": "2022-05-13T01:42:51Z",
"published": "2022-05-13T01:42:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12992"
},
{
"type": "WEB",
"url": "https://github.com/the-tcpdump-group/tcpdump/commit/e942fb84fbe3a73a98a00d2a279425872b5fb9d2"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHEA-2018:0705"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/201709-23"
},
{
"type": "WEB",
"url": "https://support.apple.com/HT208221"
},
{
"type": "WEB",
"url": "http://www.debian.org/security/2017/dsa-3971"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1039307"
},
{
"type": "WEB",
"url": "http://www.tcpdump.org/tcpdump-changes.txt"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8JVH-463H-3WC4
Vulnerability from github – Published: 2022-02-19 00:01 – Updated: 2022-02-26 00:00
VLAI
Details
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Bentley MicroStation CONNECT 10.16.0.80. 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 DWG files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-15388.
{
"affected": [],
"aliases": [
"CVE-2021-46594"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-02-18T20:15:00Z",
"severity": "MODERATE"
},
"details": "This vulnerability allows remote attackers to disclose sensitive information on affected installations of Bentley MicroStation CONNECT 10.16.0.80. 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 DWG files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-15388.",
"id": "GHSA-8jvh-463h-3wc4",
"modified": "2022-02-26T00:00:52Z",
"published": "2022-02-19T00:01:16Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46594"
},
{
"type": "WEB",
"url": "https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0010"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-22-181"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-8JVV-VMJW-RVRV
Vulnerability from github – Published: 2024-09-18 15:30 – Updated: 2024-09-20 21:31
VLAI
Details
Out-of-bounds Read vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module). This vulnerability is associated with program routine fluid_msg::of10::StatsReplyQueue::unpack.
This issue affects libfluid: 0.1.0.
Severity
6.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2024-31170"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-09-18T14:15:14Z",
"severity": "MODERATE"
},
"details": "Out-of-bounds Read vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module). This vulnerability is associated with program routine\u00a0fluid_msg::of10::StatsReplyQueue::unpack.\n\nThis issue affects libfluid: 0.1.0.",
"id": "GHSA-8jvv-vmjw-rvrv",
"modified": "2024-09-20T21:31:38Z",
"published": "2024-09-18T15:30:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-31170"
},
{
"type": "WEB",
"url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2024-31170"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-8JW9-CQX6-7G57
Vulnerability from github – Published: 2026-01-14 15:33 – Updated: 2026-07-14 15:31
VLAI
Details
In the Linux kernel, the following vulnerability has been resolved:
net: hns3: add VLAN id validation before using
Currently, the VLAN id may be used without validation when receive a VLAN configuration mailbox from VF. The length of vlan_del_fail_bmap is BITS_TO_LONGS(VLAN_N_VID). It may cause out-of-bounds memory access once the VLAN id is bigger than or equal to VLAN_N_VID.
Therefore, VLAN id needs to be checked to ensure it is within the range of VLAN_N_VID.
Severity
7.1 (High)
{
"affected": [],
"aliases": [
"CVE-2025-71112"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-01-14T15:16:00Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: add VLAN id validation before using\n\nCurrently, the VLAN id may be used without validation when\nreceive a VLAN configuration mailbox from VF. The length of\nvlan_del_fail_bmap is BITS_TO_LONGS(VLAN_N_VID). It may cause\nout-of-bounds memory access once the VLAN id is bigger than\nor equal to VLAN_N_VID.\n\nTherefore, VLAN id needs to be checked to ensure it is within\nthe range of VLAN_N_VID.",
"id": "GHSA-8jw9-cqx6-7g57",
"modified": "2026-07-14T15:31:32Z",
"published": "2026-01-14T15:33:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-71112"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/00e56a7706e10b3d00a258d81fcb85a7e96372d6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/42c91dfa772c57de141e5a55a187ac760c0fd7e1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/46c7d9fe8dd869ea5de666aba8c1ec1061ca44a8"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6ef935e65902bfed53980ad2754b06a284ea8ac1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/91a51d01be5c9f82c12c2921ca5cceaa31b67128"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/95cca255a7a5ad782639ff0298c2a486707d1046"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b7b4f3bf118f51b67691a55b464f04452e5dc6fc"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8JW9-PX85-866F
Vulnerability from github – Published: 2022-05-24 17:36 – Updated: 2022-05-24 17:36
VLAI
Details
In sdp_server_handle_client_req of sdp_server.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure from the bluetooth server with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.0 Android-8.1 Android-9Android ID: A-169342531
{
"affected": [],
"aliases": [
"CVE-2020-0463"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2020-12-14T22:15:00Z",
"severity": "HIGH"
},
"details": "In sdp_server_handle_client_req of sdp_server.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure from the bluetooth server with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.0 Android-8.1 Android-9Android ID: A-169342531",
"id": "GHSA-8jw9-px85-866f",
"modified": "2022-05-24T17:36:15Z",
"published": "2022-05-24T17:36:15Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-0463"
},
{
"type": "WEB",
"url": "https://source.android.com/security/bulletin/2020-12-01"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-8M2C-G35F-JJ8V
Vulnerability from github – Published: 2022-05-13 01:24 – Updated: 2025-04-11 03:48
VLAI
Details
The png_format_buffer function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources.
Severity
6.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2011-2501"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2011-07-17T20:55:00Z",
"severity": "MODERATE"
},
"details": "The png_format_buffer function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources.",
"id": "GHSA-8m2c-g35f-jj8v",
"modified": "2025-04-11T03:48:39Z",
"published": "2022-05-13T01:24:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-2501"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=717084"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68517"
},
{
"type": "WEB",
"url": "http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=65e6d5a34f49acdb362a0625a706c6b914e670af"
},
{
"type": "WEB",
"url": "http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=commit;h=65e6d5a34f49acdb362a0625a706c6b914e670af"
},
{
"type": "WEB",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062720.html"
},
{
"type": "WEB",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/45046"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/45289"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/45405"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/45415"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/45460"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/45486"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/45492"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/49660"
},
{
"type": "WEB",
"url": "http://security.gentoo.org/glsa/glsa-201206-15.xml"
},
{
"type": "WEB",
"url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2011\u0026m=slackware-security.617466"
},
{
"type": "WEB",
"url": "http://sourceforge.net/mailarchive/forum.php?thread_name=BANLkTikrnU6FJNQYFvwmt78hwpgKPVRd1Q%40mail.gmail.com\u0026forum_name=png-mng-implement"
},
{
"type": "WEB",
"url": "http://www.debian.org/security/2011/dsa-2287"
},
{
"type": "WEB",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:151"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2011/06/27/13"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2011/06/28/16"
},
{
"type": "WEB",
"url": "http://www.redhat.com/support/errata/RHSA-2011-1105.html"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/48474"
},
{
"type": "WEB",
"url": "http://www.ubuntu.com/usn/USN-1175-1"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8M37-C7C5-HCWC
Vulnerability from github – Published: 2022-05-14 00:54 – Updated: 2022-05-14 00:54
VLAI
Details
In Exiv2 0.26, an out-of-bounds read in IptcData::printStructure in iptc.c could result in a crash or information leak, related to the "== 0x1c" case.
Severity
8.1 (High)
{
"affected": [],
"aliases": [
"CVE-2018-9305"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-04-04T21:29:00Z",
"severity": "HIGH"
},
"details": "In Exiv2 0.26, an out-of-bounds read in IptcData::printStructure in iptc.c could result in a crash or information leak, related to the \"== 0x1c\" case.",
"id": "GHSA-8m37-c7c5-hcwc",
"modified": "2022-05-14T00:54:20Z",
"published": "2022-05-14T00:54:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-9305"
},
{
"type": "WEB",
"url": "https://github.com/Exiv2/exiv2/issues/263"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:2101"
},
{
"type": "WEB",
"url": "https://github.com/xiaoqx/pocs/blob/master/exiv2/readme.md"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/201811-14"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00009.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8M3P-4G59-6H2R
Vulnerability from github – Published: 2026-07-31 00:30 – Updated: 2026-07-31 00:30
VLAI
Details
The MMS server connection handler contains a flaw in its processing of BER-encoded request data. When an MMS confirmed request PDU containing an extended BER tag is received over an established session, the decoder may advance its internal buffer incorrectly due to a missing bounds check. This results in a one byte heap out-of-bounds read and causes the MMS service process to terminate, leading to a denial-of-service condition.
Severity
6.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2026-66349"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-07-30T23:16:52Z",
"severity": "MODERATE"
},
"details": "The MMS server connection handler contains a flaw in its processing of \nBER-encoded request data. When an MMS confirmed request PDU containing \nan extended BER tag is received over an established session, the decoder\n may advance its internal buffer incorrectly due to a missing bounds \ncheck. This results in a one byte heap out-of-bounds read and causes the\n MMS service process to terminate, leading to a denial-of-service \ncondition.",
"id": "GHSA-8m3p-4g59-6h2r",
"modified": "2026-07-31T00:30:22Z",
"published": "2026-07-31T00:30:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-66349"
},
{
"type": "WEB",
"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-10.json"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-10"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-8M5R-W6R4-2WP7
Vulnerability from github – Published: 2022-05-24 16:57 – Updated: 2023-08-16 15:30
VLAI
Details
The IKEv1 parser in tcpdump before 4.9.3 has a buffer over-read in print-isakmp.c:ikev1_n_print().
Severity
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2018-14469"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-10-03T16:15:00Z",
"severity": "MODERATE"
},
"details": "The IKEv1 parser in tcpdump before 4.9.3 has a buffer over-read in print-isakmp.c:ikev1_n_print().",
"id": "GHSA-8m5r-w6r4-2wp7",
"modified": "2023-08-16T15:30:15Z",
"published": "2022-05-24T16:57:45Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-14469"
},
{
"type": "WEB",
"url": "https://github.com/the-tcpdump-group/tcpdump/commit/396e94ff55a80d554b1fe46bf107db1e91008d6c"
},
{
"type": "WEB",
"url": "https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU"
},
{
"type": "WEB",
"url": "https://seclists.org/bugtraq/2019/Dec/23"
},
{
"type": "WEB",
"url": "https://seclists.org/bugtraq/2019/Oct/28"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20200120-0001"
},
{
"type": "WEB",
"url": "https://support.apple.com/kb/HT210788"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4252-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4252-2"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2019/dsa-4547"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html"
},
{
"type": "WEB",
"url": "http://seclists.org/fulldisclosure/2019/Dec/26"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- To reduce the likelihood of introducing an out-of-bounds read, ensure that you validate and ensure correct calculations for any length argument, buffer size calculation, or offset. Be especially careful of relying on a sentinel (i.e. special character such as NUL) in untrusted inputs.
Mitigation
Architecture and Design
Strategy: Language Selection
Use a language that provides appropriate memory abstractions.
CAPEC-540: Overread Buffers
An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.