osv-2021-823
Vulnerability from osv_ossfuzz
Published
2021-06-03 00:01
Modified
2023-02-24 02:08
Summary
UNKNOWN READ in FuzzedFileProvider::seek
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34845

Crash type: UNKNOWN READ
Crash state:
FuzzedFileProvider::seek
_IO_do_write
_IO_file_close_it
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "d0bf9bb6a539f151ec92725d20a2b6c22cb095a5:5c3bfee46a5a968603748763b090c99eff52e424"
      },
      "ecosystem_specific": {
        "introduced_range": "eb9a1fe03779bf05062b70f14190cb23ff42b46f:9313c4e6aa4b707c06a86b33d5d2753cd8383340",
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "bitcoin-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "fa5cb6b268554fe0f272833794a98106872ac6a5"
            },
            {
              "fixed": "5c3bfee46a5a968603748763b090c99eff52e424"
            }
          ],
          "repo": "https://github.com/bitcoin/bitcoin.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "v21.99-guixtest1",
        "v22.0",
        "v22.0rc1",
        "v22.0rc2",
        "v22.0rc3",
        "v22.1",
        "v22.1rc1",
        "v22.1rc2"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34845\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nFuzzedFileProvider::seek\n_IO_do_write\n_IO_file_close_it\n```\n",
  "id": "OSV-2021-823",
  "modified": "2023-02-24T02:08:50.638741Z",
  "published": "2021-06-03T00:01:12.500483Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34845"
    }
  ],
  "summary": "UNKNOWN READ in FuzzedFileProvider::seek",
  "withdrawn": "2025-03-27T07:50:00Z"
}


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  • 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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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.