osv-2021-700
Vulnerability from osv_ossfuzz
Published
2021-04-29 00:00
Modified
2022-04-13 03:04
Summary
UNKNOWN READ in ReadLEB_u32
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33749

Crash type: UNKNOWN READ
Crash state:
ReadLEB_u32
InitElements
Compile_ExtendedOpcode
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "wasm3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8cb2fd424309fa6ff70cf00bfcedc4e66d3355c0"
            },
            {
              "fixed": "6bb612ccbfd5f8993a07a99092fab534722df1c3"
            }
          ],
          "repo": "https://github.com/wasm3/wasm3",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33749\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nReadLEB_u32\nInitElements\nCompile_ExtendedOpcode\n```\n",
  "id": "OSV-2021-700",
  "modified": "2022-04-13T03:04:30.651451Z",
  "published": "2021-04-29T00:00:12.162949Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33749"
    }
  ],
  "summary": "UNKNOWN READ in ReadLEB_u32"
}


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Sightings

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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.



Detection rules are retrieved from Rulezet.