Vulnerability-Lookup

CVE-2023-4256 (GCVE-0-2023-4256)

Vulnerability from cvelistv5 – Published: 2023-12-21 16:03 – Updated: 2025-02-13 17:09

Title

Tcpreplay: tcprewrite: double free in tcpedit_dlt_cleanup() in plugins/dlt_plugins.c

Summary

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

CWE

CWE-415 - Double Free

Assigner

redhat redhat root

References

5 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2255212	issue-trackingx_refsource_REDHAT
https://github.com/appneta/tcpreplay/issues/813
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…

Impacted products

3 products

Vendor	Product	CPE status
n/a	tcpreplay
Fedora	Extra Packages for Enterprise Linux	guessed
Fedora	Fedora	guessed

Date Public

2023-07-19 00:00

Credits

Red Hat would like to thank iskindar97@gmail.com for reporting this issue.

Show details on NVD website

JSON

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      "aggregate_severity": "moderate",
      "current_release_date": "2025-11-29T00:50:06Z",
      "cve": "CVE-2023-4256",
      "id": "CVE-2023-4256",
      "initial_release_date": "2023-12-21T02:26:45Z",
      "product_status:recommended": "3",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-4256",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-4256.json",
      "version": "7"
    }
  }
}

FKIE_CVE-2023-4256

Vulnerability from fkie_nvd - Published: 2023-12-21 16:15 - Updated: 2026-06-17 06:37

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

Summary

References

URL	Tags
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=2255212	Exploit, Issue Tracking, Third Party Advisory
secalert@redhat.com	https://github.com/appneta/tcpreplay/issues/813	Exploit, Issue Tracking, Third Party Advisory
secalert@redhat.com	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EHUILQV2YJI5TXXXJA5FQ2HJQGFT7NTN/
secalert@redhat.com	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/
secalert@redhat.com	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/
af854a3a-2127-422b-91ae-364da2661108	https://bugzilla.redhat.com/show_bug.cgi?id=2255212	Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/appneta/tcpreplay/issues/813	Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EHUILQV2YJI5TXXXJA5FQ2HJQGFT7NTN/
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/

Impacted products

Vendor	Product	Version
broadcom	tcpreplay	4.4.3
broadcom	tcpreplay	4.4.4
fedoraproject	extra_packages_for_enterprise_linux	8.0
fedoraproject	fedora	39

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "tcpreplay",
          "vendor": "n/a"
        },
        {
          "collectionURL": "https://packages.fedoraproject.org/",
          "defaultStatus": "affected",
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          "product": "Extra Packages for Enterprise Linux",
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    },
    {
      "lang": "es",
      "value": "Dentro de tcprewrite de tcpreplay, se ha identificado una vulnerabilidad de doble liberaci\u00f3n en la funci\u00f3n tcpedit_dlt_cleanup() dentro de plugins/dlt_plugins.c. Esta vulnerabilidad se puede explotar proporcionando un archivo espec\u00edficamente manipulado al binario tcprewrite. Este fallo permite a un atacante local iniciar un ataque de denegaci\u00f3n de servicio (DoS)."
    }
  ],
  "id": "CVE-2023-4256",
  "lastModified": "2026-06-17T06:37:25.487",
  "metrics": {
    "cvssMetricV31": [
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}

GHSA-PJXJ-FCRM-89X2

Vulnerability from github – Published: 2023-12-21 18:30 – Updated: 2024-03-24 03:30

Details

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2023-4256"
  ],
  "database_specific": {
    "cwe_ids": [
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-12-21T16:15:10Z",
    "severity": "MODERATE"
  },
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  "id": "GHSA-pjxj-fcrm-89x2",
  "modified": "2024-03-24T03:30:42Z",
  "published": "2023-12-21T18:30:23Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4256"
    },
    {
      "type": "WEB",
      "url": "https://github.com/appneta/tcpreplay/issues/813"
    },
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  ]
}

GSD-2023-4256

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Aliases

CVE-2023-4256

Aliases

CVE-2023-4256

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-4256",
    "id": "GSD-2023-4256"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
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      ],
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      "modified": "2023-12-13T01:20:27.445786Z",
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              "Third Party Advisory"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2255212"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Exploit",
              "Issue Tracking",
              "Third Party Advisory"
            ],
            "url": "https://github.com/appneta/tcpreplay/issues/813"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EHUILQV2YJI5TXXXJA5FQ2HJQGFT7NTN/"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-415"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-415"
              }
            ],
            "source": "secalert@redhat.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}

OPENSUSE-SU-2025-20119-1

Vulnerability from csaf_opensuse - Published: 2025-11-27 12:29 - Updated: 2025-11-27 12:29

Summary

Security update for tcpreplay

Severity

Important

Scope

11 vulnerabilities in this advisory, including CVE-2023-4256.

CVE-2023-4256

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Recommended: 4 products

Open the full advisory

OPENSUSE-SU-2025:20119-1

Vulnerability from csaf_opensuse - Published: 2025-11-27 12:29 - Updated: 2026-09-20 21:48

Summary

Security update for tcpreplay

Severity

Important

Scope

11 vulnerabilities in this advisory, including CVE-2023-4256.

CVE-2023-4256

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Recommended: 4 products

Open the full advisory

UBUNTU-CVE-2023-4256 (CVE-2023-4256)

Vulnerability from osv_ubuntu – Published: 2023-12-21 16:15 – Updated: 2025-10-24 05:01 – Source website

Details

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

URL

Type

	https://ubuntu.com/security/CVE-2023-4256	REPORT
	https://www.cve.org/CVERecord?id=CVE-2023-4256	REPORT
	https://github.com/appneta/tcpreplay/commit/c2373…	REPORT
	https://ubuntu.com/security/notices/USN-7231-1	ADVISORY

JSON

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"
  ]
}

Sightings

Author	Source	Type	Date	Other

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2023-4256 (GCVE-0-2023-4256)

FKIE_CVE-2023-4256

GHSA-PJXJ-FCRM-89X2

GSD-2023-4256

OPENSUSE-SU-2025-20119-1

OPENSUSE-SU-2025:20119-1

UBUNTU-CVE-2023-4256 (CVE-2023-4256)

Tags

Sightings

Nomenclature

Related by attack behaviour