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CVE-2023-39743

Estado: ModificadaMedia (5.3)—

lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Pete4abw — Lzma Software Development KIT

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-39743",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-39743",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-08T18:13:19.954453Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-08-17T19:15:13.077",
  "references": [
    {
      "url": "https://gist.github.com/huanglei3/ec9090096aa92445cf0a8baa8e929084",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/huanglei3/lrzip-next-poc/tree/main",
      "tags": [
        "Technical Description"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/pete4abw/lrzip-next/issues/132",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://gist.github.com/huanglei3/ec9090096aa92445cf0a8baa8e929084",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/huanglei3/lrzip-next-poc/tree/main",
      "tags": [
        "Technical Description"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/pete4abw/lrzip-next/issues/132",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto que lrzip-next LZMA v23.01 contiene una violación de acceso a través del componente /bz3_decode_block src/libbz3.c."
    }
  ],
  "lastModified": "2026-06-17T06:12:50.753",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pete4abw:lzma_software_development_kit:23.01:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7E666D44-321E-4DDC-9A5E-522B7809C86B"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}