FKIE_CVE-2021-28905

Vulnerability from fkie_nvd - Published: 2021-05-20 19:15 - Updated: 2024-11-21 06:00
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In function lys_node_free() in libyang <= v1.0.225, it asserts that the value of node->module can't be NULL. But in some cases, node->module can be null, which triggers a reachable assertion (CWE-617).
References
cve@mitre.orghttps://github.com/CESNET/libyang/issues/1452Exploit, Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/202107-54Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/CESNET/libyang/issues/1452Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202107-54Third Party Advisory
Impacted products
Vendor Product Version
cesnet libyang *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cesnet:libyang:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6CFE711D-6C8F-4F0F-B53E-BB952DC1FF39",
              "versionEndIncluding": "1.0.225",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In function lys_node_free() in libyang \u003c= v1.0.225, it asserts that the value of node-\u003emodule can\u0027t be NULL. But in some cases, node-\u003emodule can be null, which triggers a reachable assertion (CWE-617)."
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n lys_node_free() en libyang versiones anteriores a v1.0.225 incluy\u00e9ndola, afirma que el valor de node-)module no puede ser NULL.\u0026#xa0;Pero en algunos casos, node-) module puede ser nulo, lo que desencadena una aserci\u00f3n alcanzable (CWE-617)"
    }
  ],
  "id": "CVE-2021-28905",
  "lastModified": "2024-11-21T06:00:22.737",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-05-20T19:15:07.710",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/CESNET/libyang/issues/1452"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202107-54"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/CESNET/libyang/issues/1452"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202107-54"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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