ubuntu-cve-2024-30949
Vulnerability from osv_ubuntu
Published
2024-08-20 15:15
Modified
2026-04-22 07:48
Summary
Details

An issue in newlib v.4.3.0 allows an attacker to execute arbitrary code via the time unit scaling in the _gettimeofday function.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libnewlib-arm-none-eabi",
            "binary_version": "2.2.0+git20150830.5a3d536-1"
          },
          {
            "binary_name": "newlib-source",
            "binary_version": "2.2.0+git20150830.5a3d536-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "newlib",
        "purl": "pkg:deb/ubuntu/newlib@2.2.0+git20150830.5a3d536-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.0+git20141201.db59ff3-2",
        "2.2.0+git20150830.5a3d536-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libnewlib-arm-none-eabi",
            "binary_version": "2.4.0.20160527-3ubuntu0.1"
          },
          {
            "binary_name": "newlib-source",
            "binary_version": "2.4.0.20160527-3ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "newlib",
        "purl": "pkg:deb/ubuntu/newlib@2.4.0.20160527-3ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.0.20160527-2",
        "2.4.0.20160527-3",
        "2.4.0.20160527-3ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libnewlib-arm-none-eabi",
            "binary_version": "3.3.0-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "newlib",
        "purl": "pkg:deb/ubuntu/newlib@3.3.0-0ubuntu1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.0.20181231-1",
        "3.3.0-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libnewlib-arm-none-eabi",
            "binary_version": "3.3.0-1.3"
          },
          {
            "binary_name": "newlib-source",
            "binary_version": "3.3.0-1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "newlib",
        "purl": "pkg:deb/ubuntu/newlib@3.3.0-1.3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.3.0-1",
        "3.3.0-1.2",
        "3.3.0-1.3"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue in newlib v.4.3.0 allows an attacker to execute arbitrary code via the time unit scaling in the _gettimeofday function.",
  "id": "UBUNTU-CVE-2024-30949",
  "modified": "2026-04-22T07:48:46Z",
  "published": "2024-08-20T15:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-30949"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-30949"
    },
    {
      "type": "REPORT",
      "url": "https://sourceware.org/git/?p=newlib-cygwin.git;a=commit;h=5f15d7c5817b07a6b18cbab17342c95cb7b42be4"
    },
    {
      "type": "REPORT",
      "url": "https://inbox.sourceware.org/newlib/20231129035714.469943-1-visitorckw%40gmail.com/"
    },
    {
      "type": "REPORT",
      "url": "https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=5f15d7c5817b07a6b18cbab17342c95cb7b42be4"
    },
    {
      "type": "REPORT",
      "url": "https://gist.github.com/visitorckw/6b26e599241ea80210ea136b28441661"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-30949"
  ]
}



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