ghsa-gmc7-pqv9-966m
Vulnerability from github
Published
2022-05-24 19:03
Modified
2024-03-27 18:32
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.

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{
   affected: [],
   aliases: [
      "CVE-2021-3520",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-190",
         "CWE-787",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2021-06-02T13:15:00Z",
      severity: "CRITICAL",
   },
   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.",
   id: "GHSA-gmc7-pqv9-966m",
   modified: "2024-03-27T18:32:37Z",
   published: "2022-05-24T19:03:54Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-3520",
      },
      {
         type: "WEB",
         url: "https://access.redhat.com/errata/RHBA-2021:2854",
      },
      {
         type: "WEB",
         url: "https://access.redhat.com/errata/RHSA-2021:2575",
      },
      {
         type: "WEB",
         url: "https://access.redhat.com/errata/RHSA-2022:1345",
      },
      {
         type: "WEB",
         url: "https://access.redhat.com/errata/RHSA-2022:5606",
      },
      {
         type: "WEB",
         url: "https://access.redhat.com/errata/RHSA-2022:6407",
      },
      {
         type: "WEB",
         url: "https://access.redhat.com/security/cve/CVE-2021-3520",
      },
      {
         type: "WEB",
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=1954559",
      },
      {
         type: "WEB",
         url: "https://security.netapp.com/advisory/ntap-20211104-0005",
      },
      {
         type: "WEB",
         url: "https://www.oracle.com//security-alerts/cpujul2021.html",
      },
      {
         type: "WEB",
         url: "https://www.oracle.com/security-alerts/cpuapr2022.html",
      },
      {
         type: "WEB",
         url: "https://www.oracle.com/security-alerts/cpuoct2021.html",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
         type: "CVSS_V3",
      },
   ],
}


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