GHSA-3FG9-HCQ5-VXRC

Vulnerability from github – Published: 2022-08-30 19:55 – Updated: 2022-08-30 19:55
VLAI?
Summary
iana-time-zone vulnerable to use after free in MacOS / iOS implementation
Details

In iana-time-zone v0.1.43 a use-after-free bug in the MacOS / iOS implementation was introduced.

The copied system time zone was released before its name was copied. If the system time zone was changed between the call of CFRelease and str::to_owned(), random memory would be copied.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "iana-time-zone"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.1.43"
            },
            {
              "fixed": "0.1.45"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-08-30T19:55:41Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "In iana-time-zone v0.1.43 a use-after-free bug in the MacOS / iOS implementation was introduced.\n\nThe copied system time zone was released before its name was copied.\nIf the system time zone was changed between the call of `CFRelease` and `str::to_owned()`,\nrandom memory would be copied.\n",
  "id": "GHSA-3fg9-hcq5-vxrc",
  "modified": "2022-08-30T19:55:41Z",
  "published": "2022-08-30T19:55:41Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/strawlab/iana-time-zone/pull/54"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/strawlab/iana-time-zone"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2022-0049.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "iana-time-zone vulnerable to use after free in MacOS / iOS implementation"
}


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