Common Weakness Enumeration

CWE-190

Allowed

Integer Overflow or Wraparound

Abstraction: Base · Status: Stable

The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

3870 vulnerabilities reference this CWE, most recent first.

GHSA-G2PP-FRGC-VMQ6

Vulnerability from github – Published: 2026-02-10 21:31 – Updated: 2026-02-10 21:31
VLAI
Details

Insufficient parameter sanitization in AMD Secure Processor (ASP) Boot Loader could allow an attacker with access to SPIROM upgrade to overwrite the memory, potentially resulting in arbitrary code execution.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2025-48515"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-10T20:16:45Z",
    "severity": "MODERATE"
  },
  "details": "Insufficient parameter sanitization in AMD Secure Processor (ASP) Boot Loader could allow an attacker with access to SPIROM upgrade to overwrite the memory, potentially resulting in arbitrary code execution.",
  "id": "GHSA-g2pp-frgc-vmq6",
  "modified": "2026-02-10T21:31:31Z",
  "published": "2026-02-10T21:31:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-48515"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4013.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:P/AC:H/AT:N/PR:H/UI:P/VC:H/VI:H/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-G2QP-PV3V-Q7W2

Vulnerability from github – Published: 2022-05-24 16:55 – Updated: 2023-06-12 09:30
VLAI
Details

An integer overflow in whoopsie before versions 0.2.52.5ubuntu0.1, 0.2.62ubuntu0.1, 0.2.64ubuntu0.1, 0.2.66, results in an out-of-bounds write to a heap allocated buffer when processing large crash dumps. This results in a crash or possible code-execution in the context of the whoopsie process.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2019-11476"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-08-29T15:15:00Z",
    "severity": "HIGH"
  },
  "details": "An integer overflow in whoopsie before versions 0.2.52.5ubuntu0.1, 0.2.62ubuntu0.1, 0.2.64ubuntu0.1, 0.2.66, results in an out-of-bounds write to a heap allocated buffer when processing large crash dumps. This results in a crash or possible code-execution in the context of the whoopsie process.",
  "id": "GHSA-g2qp-pv3v-q7w2",
  "modified": "2023-06-12T09:30:18Z",
  "published": "2022-05-24T16:55:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11476"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/ubuntu/%2Bsource/whoopsie/%2Bbug/1830863"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4052-1"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/172858/Ubuntu-Apport-Whoopsie-DoS-Integer-Overflow.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G322-HJRW-9R9P

Vulnerability from github – Published: 2022-05-14 03:43 – Updated: 2022-05-14 03:43
VLAI
Details

An integer overflow in Skia in Google Chrome prior to 62.0.3202.62 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page, aka an out-of-bounds write.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2017-5131"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-02-07T23:29:00Z",
    "severity": "HIGH"
  },
  "details": "An integer overflow in Skia in Google Chrome prior to 62.0.3202.62 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page, aka an out-of-bounds write.",
  "id": "GHSA-g322-hjrw-9r9p",
  "modified": "2022-05-14T03:43:37Z",
  "published": "2022-05-14T03:43:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-5131"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:2997"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2017/10/stable-channel-update-for-desktop.html"
    },
    {
      "type": "WEB",
      "url": "https://crbug.com/744109"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201710-24"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2017/dsa-4020"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/101482"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G34V-J3W9-H65R

Vulnerability from github – Published: 2022-05-13 01:13 – Updated: 2025-04-20 03:44
VLAI
Details

Integer overflow in the load_multiboot function in hw/i386/multiboot.c in QEMU (aka Quick Emulator) allows local guest OS users to execute arbitrary code on the host via crafted multiboot header address values, which trigger an out-of-bounds write.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2017-14167"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-09-08T18:29:00Z",
    "severity": "HIGH"
  },
  "details": "Integer overflow in the load_multiboot function in hw/i386/multiboot.c in QEMU (aka Quick Emulator) allows local guest OS users to execute arbitrary code on the host via crafted multiboot header address values, which trigger an out-of-bounds write.",
  "id": "GHSA-g34v-j3w9-h65r",
  "modified": "2025-04-20T03:44:30Z",
  "published": "2022-05-13T01:13:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-14167"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:3368"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:3369"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:3466"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:3470"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:3471"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:3472"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:3473"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:3474"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.nongnu.org/archive/html/qemu-devel/2017-09/msg01032.html"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3575-1"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2017/dsa-3991"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2017/09/07/2"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/100694"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G35F-9JHV-WH2M

Vulnerability from github – Published: 2022-05-14 03:13 – Updated: 2022-05-14 03:13
VLAI
Details

The mintToken function of a smart contract implementation for AZTToken, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2018-13734"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-07-09T06:29:00Z",
    "severity": "HIGH"
  },
  "details": "The mintToken function of a smart contract implementation for AZTToken, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.",
  "id": "GHSA-g35f-9jhv-wh2m",
  "modified": "2022-05-14T03:13:27Z",
  "published": "2022-05-14T03:13:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-13734"
    },
    {
      "type": "WEB",
      "url": "https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.md"
    },
    {
      "type": "WEB",
      "url": "https://github.com/BlockChainsSecurity/EtherTokens/tree/master/AZTToken"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G373-RPVH-XP28

Vulnerability from github – Published: 2022-05-14 03:03 – Updated: 2022-05-14 03:03
VLAI
Details

The mintToken function of a smart contract implementation for BitStore, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2018-13595"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-07-09T06:29:00Z",
    "severity": "HIGH"
  },
  "details": "The mintToken function of a smart contract implementation for BitStore, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.",
  "id": "GHSA-g373-rpvh-xp28",
  "modified": "2022-05-14T03:03:03Z",
  "published": "2022-05-14T03:03:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-13595"
    },
    {
      "type": "WEB",
      "url": "https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.md"
    },
    {
      "type": "WEB",
      "url": "https://github.com/BlockChainsSecurity/EtherTokens/tree/master/BitStore"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G3CW-Q3R6-JH9P

Vulnerability from github – Published: 2022-05-17 02:33 – Updated: 2022-05-17 02:33
VLAI
Details

In TrustZone, an integer overflow vulnerability can potentially occur in all Android releases from CAF using the Linux kernel due to an improper address range computation.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2014-9932"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-05-16T14:29:00Z",
    "severity": "HIGH"
  },
  "details": "In TrustZone, an integer overflow vulnerability can potentially occur in all Android releases from CAF using the Linux kernel due to an improper address range computation.",
  "id": "GHSA-g3cw-q3r6-jh9p",
  "modified": "2022-05-17T02:33:15Z",
  "published": "2022-05-17T02:33:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-9932"
    },
    {
      "type": "WEB",
      "url": "https://source.android.com/security/bulletin/2017-04-01"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/97329"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1038201"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G3W7-VC7C-F8M9

Vulnerability from github – Published: 2022-05-24 17:07 – Updated: 2022-05-24 17:07
VLAI
Details

An exploitable out of bounds read vulnerability exists in the way MiniSNMPD version 1.4 parses incoming SNMP packets. A specially crafted SNMP request can trigger an out of bounds memory read which can result in sensitive information disclosure and Denial Of Service. In order to trigger this vulnerability, an attacker needs to send a specially crafted packet to the vulnerable server.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2020-6059"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125",
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-02-04T20:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An exploitable out of bounds read vulnerability exists in the way MiniSNMPD version 1.4 parses incoming SNMP packets. A specially crafted SNMP request can trigger an out of bounds memory read which can result in sensitive information disclosure and Denial Of Service. In order to trigger this vulnerability, an attacker needs to send a specially crafted packet to the vulnerable server.",
  "id": "GHSA-g3w7-vc7c-f8m9",
  "modified": "2022-05-24T17:07:59Z",
  "published": "2022-05-24T17:07:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-6059"
    },
    {
      "type": "WEB",
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0976"
    },
    {
      "type": "WEB",
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-0976"
    }
  ],
  "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:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G433-PQ76-6CMF

Vulnerability from github – Published: 2026-02-13 20:05 – Updated: 2026-03-25 21:37
VLAI
Summary
Bug fixes in hpke-rs, hpke-rs-rust-crypto
Details

We publish a GitHub security advisory for any releases whose CHANGELOG includes bug-fixes, and encourage our users to upgrade. The latest releases of the hpke-rs and hpke-rs-rust-crypto crates contain the following bug-fixes:

hpke-rs

  • #127: Fix KemAlgorithm::TryFrom<u16> mapping where 0x004D incorrectly resolved to XWingDraft06 instead of XWingDraft06Obsolete.
  • #123: Fix potential overflow in context counter and switch to use u64.
  • #128: Return errors when trying to use open/seal with export only ciphersuite and when using kdf export with an output that's too long (instead of truncating it)

The issue fixed in #123 was first reported by Nadim Kobeissi. The issues fixed in #127 and #128 were first reported by Scott Arciszewski.

hpke-rs-rust-crypto

  • #124: Error out on x25519 0 keys

The issue fixed in #124 was first reported by Nadim Kobeissi.

Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "hpke-rs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "hpke-rs-rust-crypto"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-190",
      "CWE-20",
      "CWE-697"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-13T20:05:10Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "We publish a GitHub security advisory for any releases whose CHANGELOG includes bug-fixes, and encourage our users to upgrade. The latest releases of the hpke-rs and hpke-rs-rust-crypto crates contain the following bug-fixes:\n\n## hpke-rs\n- [#127](https://github.com/cryspen/hpke-rs/pull/127): Fix `KemAlgorithm::TryFrom\u003cu16\u003e` mapping where `0x004D` incorrectly resolved to `XWingDraft06` instead of `XWingDraft06Obsolete`.\n- [#123](https://github.com/cryspen/hpke-rs/pull/123): Fix potential overflow in context counter and switch to use u64.\n- [#128](https://github.com/cryspen/hpke-rs/pull/128): Return errors when trying to use open/seal with export only ciphersuite and when using kdf export with an output that\u0027s too long (instead of truncating it)\n\nThe issue fixed in #123 was first reported by Nadim Kobeissi.\nThe issues fixed in #127 and #128 were first reported by Scott Arciszewski.\n\n## hpke-rs-rust-crypto\n- [#124](https://github.com/cryspen/hpke-rs/pull/124): Error out on x25519 0 keys\n\nThe issue fixed in #124 was first reported by Nadim Kobeissi.",
  "id": "GHSA-g433-pq76-6cmf",
  "modified": "2026-03-25T21:37:22Z",
  "published": "2026-02-13T20:05:10Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/cryspen/hpke-rs/security/advisories/GHSA-g433-pq76-6cmf"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cryspen/hpke-rs/pull/123"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cryspen/hpke-rs/pull/124"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cryspen/hpke-rs/pull/127"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cryspen/hpke-rs/pull/128"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cryspen/hpke-rs/commit/1c247b5c9aeca602ad2971c9bd49817fe2c308e6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cryspen/hpke-rs/commit/25248bd624cc0325c98a05c169a0c9aa0aced632"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cryspen/hpke-rs/commit/3a8254938f43bdc4e0c9c4f987f8071f19779066"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cryspen/hpke-rs/commit/b54c8bb83906331bdf4f606cafa30cd7fd20b531"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/cryspen/hpke-rs"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2026-0070.html"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2026-0072.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Bug fixes in hpke-rs, hpke-rs-rust-crypto"
}

GHSA-G434-MFHC-W2H9

Vulnerability from github – Published: 2022-05-14 03:13 – Updated: 2022-05-14 03:13
VLAI
Details

The mintToken function of a smart contract implementation for KissMe, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2018-13701"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-07-09T06:29:00Z",
    "severity": "HIGH"
  },
  "details": "The mintToken function of a smart contract implementation for KissMe, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.",
  "id": "GHSA-g434-mfhc-w2h9",
  "modified": "2022-05-14T03:13:13Z",
  "published": "2022-05-14T03:13:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-13701"
    },
    {
      "type": "WEB",
      "url": "https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.md"
    },
    {
      "type": "WEB",
      "url": "https://github.com/BlockChainsSecurity/EtherTokens/tree/master/KissMe"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

Mitigation
Requirements

Ensure that all protocols are strictly defined, such that all out-of-bounds behavior can be identified simply, and require strict conformance to the protocol.

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.
  • If possible, choose a language or compiler that performs automatic bounds checking.
Mitigation MIT-4
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 [REF-1482].
  • Use libraries or frameworks that make it easier to handle numbers without unexpected consequences.
  • Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++). [REF-106]
Mitigation MIT-8
Implementation

Strategy: Input Validation

  • Perform input validation on any numeric input by ensuring that it is within the expected range. Enforce that the input meets both the minimum and maximum requirements for the expected range.
  • Use unsigned integers where possible. This makes it easier to perform validation for integer overflows. When signed integers are required, ensure that the range check includes minimum values as well as maximum values.
Mitigation MIT-36
Implementation
  • Understand the programming language's underlying representation and how it interacts with numeric calculation (CWE-681). Pay close attention to byte size discrepancies, precision, signed/unsigned distinctions, truncation, conversion and casting between types, "not-a-number" calculations, and how the language handles numbers that are too large or too small for its underlying representation. [REF-7]
  • Also be careful to account for 32-bit, 64-bit, and other potential differences that may affect the numeric representation.
Mitigation MIT-15
Architecture and Design

For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.

Mitigation MIT-26
Implementation

Strategy: Compilation or Build Hardening

Examine compiler warnings closely and eliminate problems with potential security implications, such as signed / unsigned mismatch in memory operations, or use of uninitialized variables. Even if the weakness is rarely exploitable, a single failure may lead to the compromise of the entire system.

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.