osv-2023-885
Vulnerability from osv_ossfuzz
Published
2023-09-20 14:02
Modified
2023-09-20 14:02
Summary
UNKNOWN READ in bytes1_char_at
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62508

Crash type: UNKNOWN READ
Crash state:
bytes1_char_at
ascii_at_line_end
try_match
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "mrab-regex",
        "purl": "pkg:pypi/mrab-regex"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1e6986b92f978087eb34ca79732d3b0c45be8652"
            },
            {
              "fixed": "cdcbf36aebb0e5d54072bd96a6fe4932f1fd6ae0"
            }
          ],
          "repo": "https://github.com/mrabarnett/mrab-regex",
          "type": "GIT"
        }
      ],
      "versions": [
        "2021.11.10",
        "2022.1.18",
        "2022.10.31",
        "2022.3.15",
        "2022.3.2",
        "2022.4.24",
        "2022.6.2",
        "2022.7.24",
        "2022.7.25",
        "2022.7.9",
        "2022.8.17",
        "2022.9.11",
        "2022.9.13",
        "2023.03.22",
        "2023.10.3",
        "2023.3.22",
        "2023.3.23",
        "2023.5.2",
        "2023.5.3",
        "2023.5.4",
        "2023.5.5",
        "2023.6.3",
        "2023.8.8"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62508\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nbytes1_char_at\nascii_at_line_end\ntry_match\n```\n",
  "id": "OSV-2023-885",
  "modified": "2023-09-20T14:02:30.557630Z",
  "published": "2023-09-20T14:02:30.557328Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62508"
    }
  ],
  "schema_version": "1.6.0",
  "summary": "UNKNOWN READ in bytes1_char_at"
}


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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 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.