gsd-2021-3520
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
There's a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.
Aliases
Aliases
CVE-2021-3520


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-3520",
    "description": "There\u0027s a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.",
    "id": "GSD-2021-3520",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-3520.html",
      "https://www.debian.org/security/2021/dsa-4919",
      "https://access.redhat.com/errata/RHBA-2021:2854",
      "https://access.redhat.com/errata/RHSA-2021:2575",
      "https://ubuntu.com/security/CVE-2021-3520",
      "https://advisories.mageia.org/CVE-2021-3520.html",
      "https://security.archlinux.org/CVE-2021-3520",
      "https://access.redhat.com/errata/RHSA-2022:1345",
      "https://linux.oracle.com/cve/CVE-2021-3520.html",
      "https://access.redhat.com/errata/RHSA-2022:5606",
      "https://access.redhat.com/errata/RHSA-2022:6407"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3520"
      ],
      "details": "There\u0027s a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.",
      "id": "GSD-2021-3520",
      "modified": "2023-12-13T01:23:34.310135Z",
      "schema_version": "1.4.0"
    }
  },
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        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "lz4",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "lz4-1.8.3"
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                    }
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            }
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
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                "cweId": "CWE-190",
                "lang": "eng",
                "value": "CWE-190-\u003eCWE-787"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1954559",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954559"
          },
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          },
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            "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpuapr2022.html",
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            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
          },
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            "url": "https://security.netapp.com/advisory/ntap-20211104-0005/"
          }
        ]
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    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "=1.8.3",
          "affected_versions": "Version 1.8.3",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-787",
            "CWE-937"
          ],
          "date": "2023-02-12",
          "description": "There\u0027s a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.",
          "fixed_versions": [
            "1.9.2"
          ],
          "identifier": "CVE-2021-3520",
          "identifiers": [
            "CVE-2021-3520"
          ],
          "not_impacted": "All versions before 1.8.3, all versions after 1.8.3",
          "package_slug": "conan/lz4",
          "pubdate": "2021-06-02",
          "solution": "Upgrade to version 1.9.2 or above.",
          "title": "Out-of-bounds Write",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-3520",
            "https://bugzilla.redhat.com/show_bug.cgi?id=1954559"
          ],
          "uuid": "3005e8d4-700a-45ca-993e-7d38d5b7d5dd"
        }
      ]
    },
    "nvd.nist.gov": {
      "cve": {
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        "descriptions": [
          {
            "lang": "en",
            "value": "There\u0027s a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well."
          },
          {
            "lang": "es",
            "value": "Se presenta un fallo en lz4. Un atacante que env\u00ede un archivo dise\u00f1ado hacia una aplicaci\u00f3n enlazada con lz4 puede ser capaz de desencadenar un desbordamiento de enteros, conllevando una llamada de la funci\u00f3n memmove() con un argumento de tama\u00f1o negativo, causando una escritura fuera de l\u00edmites y/o un bloqueo. El mayor impacto de este fallo es en la disponibilidad, con alg\u00fan impacto potencial en la confidencialidad e integridad tambi\u00e9n"
          }
        ],
        "id": "CVE-2021-3520",
        "lastModified": "2024-03-27T16:12:07.343",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 7.5,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
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              "impactScore": 6.4,
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              "obtainOtherPrivilege": false,
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                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
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                "scope": "UNCHANGED",
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        "published": "2021-06-02T13:15:13.170",
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            "source": "nvd@nist.gov",
            "type": "Secondary"
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        ]
      }
    }
  }
}


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