ubuntu-cve-2023-4256
Vulnerability from osv_ubuntu
Published
2023-12-21 16:15
Modified
2025-10-24 05:01
Summary
Details

Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c. This vulnerability can be exploited by supplying a specifically crafted file to the tcprewrite binary. This flaw enables a local attacker to initiate a Denial of Service (DoS) attack.

Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tcpreplay",
            "binary_version": "4.2.6-1ubuntu0.1~esm5"
          }
        ],
        "priority_reason": "CLI tool crash only"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "tcpreplay",
        "purl": "pkg:deb/ubuntu/tcpreplay@4.2.6-1ubuntu0.1~esm5?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.2.6-1ubuntu0.1~esm5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.2.6-1",
        "4.2.6-1ubuntu0.1~esm1",
        "4.2.6-1ubuntu0.1~esm2",
        "4.2.6-1ubuntu0.1~esm3",
        "4.2.6-1ubuntu0.1~esm4"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tcpreplay",
            "binary_version": "4.3.2-1ubuntu0.1~esm3"
          }
        ],
        "priority_reason": "CLI tool crash only"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "tcpreplay",
        "purl": "pkg:deb/ubuntu/tcpreplay@4.3.2-1ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3.2-1ubuntu0.1~esm3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.3.2-1build1",
        "4.3.2-1ubuntu0.1~esm1",
        "4.3.2-1ubuntu0.1~esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tcpreplay",
            "binary_version": "4.3.4-1ubuntu0.1~esm2"
          }
        ],
        "priority_reason": "CLI tool crash only"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "tcpreplay",
        "purl": "pkg:deb/ubuntu/tcpreplay@4.3.4-1ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3.4-1ubuntu0.1~esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.3.3-2",
        "4.3.4-1",
        "4.3.4-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tcpreplay",
            "binary_version": "4.4.4-1ubuntu0.1~esm1"
          }
        ],
        "priority_reason": "CLI tool crash only"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "tcpreplay",
        "purl": "pkg:deb/ubuntu/tcpreplay@4.4.4-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.4.4-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.4.3-1",
        "4.4.4-1",
        "4.4.4-1build1",
        "4.4.4-1build2"
      ]
    }
  ],
  "aliases": [],
  "details": "Within tcpreplay\u0027s tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c. This vulnerability can be exploited by supplying a specifically crafted file to the tcprewrite binary. This flaw enables a local attacker to initiate a Denial of Service (DoS) attack.",
  "id": "UBUNTU-CVE-2023-4256",
  "modified": "2025-10-24T05:01:31Z",
  "published": "2023-12-21T16:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-4256"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-4256"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/appneta/tcpreplay/commit/c23738f15dd43e320364f7d3b45174f253e82884"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7231-1"
    }
  ],
  "related": [
    "USN-7231-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-4256"
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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