osv-2021-503
Vulnerability from osv_ossfuzz
Published
2021-03-07 00:00
Modified
2022-04-13 03:04
Summary
Use-after-poison in std::__1::unique_ptr<SkSL::Expression, std::__1::default_delete<SkSL::Expression
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31765

Crash type: Use-after-poison READ 8
Crash state:
std::__1::unique_ptr<SkSL::Expression, std::__1::default_delete<SkSL::Expression
SkSL::DefinitionMap::getKnownDefinition
SkSL::VariableReference::constantPropagate
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "introduced_range": "1d62221553b70cbfd3df37c411d5e1951192d6cb:75b7606c0fe1b0dbb253d9e0a1c5f14b963ed0ad",
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "skia"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7c6e77087fdfce91af6e43229cc7648fdfdca614"
            },
            {
              "fixed": "8f440b4e1e22ab95386b48dc0e1250704864aa74"
            }
          ],
          "repo": "https://skia.googlesource.com/skia.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "canvaskit/0.24.0",
        "canvaskit/0.25.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31765\n\n```\nCrash type: Use-after-poison READ 8\nCrash state:\nstd::__1::unique_ptr\u003cSkSL::Expression, std::__1::default_delete\u003cSkSL::Expression\nSkSL::DefinitionMap::getKnownDefinition\nSkSL::VariableReference::constantPropagate\n```\n",
  "id": "OSV-2021-503",
  "modified": "2022-04-13T03:04:33.774982Z",
  "published": "2021-03-07T00:00:48.743475Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31765"
    }
  ],
  "summary": "Use-after-poison in std::__1::unique_ptr\u003cSkSL::Expression, std::__1::default_delete\u003cSkSL::Expression"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.