CVE-2020-27795 (GCVE-0-2020-27795)

Vulnerability from cvelistv5 – Published: 2022-08-19 22:36 – Updated: 2024-08-04 16:25
VLAI?
Summary
A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command "adf" has no or wrong argument, anal_fcn_data (core, input + 1) --> RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).
Severity ?
No CVSS data available.
CWE
  • CWE-908 - - Use of Uninitialized Resource
Assigner
References
Impacted products
Vendor Product Version
n/a radare2 Affected: Fixed in v4.4.0.
Show details on NVD website
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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:25:43.777Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/radareorg/radare2/issues/16215"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/radareorg/radare2/pull/16230"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "radare2",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Fixed in v4.4.0."
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command \"adf\" has no or wrong argument, anal_fcn_data (core, input + 1) --\u003e RAnalFunction *fcn = r_anal_get_fcn_in (core-\u003eanal, core-\u003eoffset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-908",
              "description": "CWE-908 - Use of Uninitialized Resource",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-08-19T22:36:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/radareorg/radare2/issues/16215"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/radareorg/radare2/pull/16230"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2020-27795",
    "datePublished": "2022-08-19T22:36:00.000Z",
    "dateReserved": "2020-10-27T00:00:00.000Z",
    "dateUpdated": "2024-08-04T16:25:43.777Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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