pysec-2024-205
Vulnerability from pysec
Published
2024-02-26 20:19
Modified
2025-01-19 19:19
Details

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in extract32(b, start), if the start index provided has for side effect to update b, the byte array to extract 32 bytes from, it could be that some dirty memory is read and returned by extract32. This vulnerability is fixed in 0.4.0.

Aliases



{
   affected: [
      {
         package: {
            ecosystem: "PyPI",
            name: "vyper",
            purl: "pkg:pypi/vyper",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "0",
                  },
                  {
                     fixed: "3d9c537142fb99b2672f21e2057f5f202cde194f",
                  },
               ],
               repo: "https://github.com/vyperlang/vyper",
               type: "GIT",
            },
            {
               events: [
                  {
                     introduced: "0",
                  },
                  {
                     fixed: "0.4.0",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
         versions: [
            "0.1.0b1",
            "0.1.0b10",
            "0.1.0b11",
            "0.1.0b12",
            "0.1.0b13",
            "0.1.0b14",
            "0.1.0b15",
            "0.1.0b16",
            "0.1.0b17",
            "0.1.0b2",
            "0.1.0b3",
            "0.1.0b4",
            "0.1.0b5",
            "0.1.0b6",
            "0.1.0b7",
            "0.1.0b8",
            "0.1.0b9",
            "0.2.1",
            "0.2.10",
            "0.2.11",
            "0.2.12",
            "0.2.13",
            "0.2.14",
            "0.2.15",
            "0.2.16",
            "0.2.2",
            "0.2.3",
            "0.2.4",
            "0.2.5",
            "0.2.6",
            "0.2.7",
            "0.2.8",
            "0.2.9",
            "0.3.0",
            "0.3.1",
            "0.3.10",
            "0.3.10rc1",
            "0.3.10rc2",
            "0.3.10rc3",
            "0.3.10rc4",
            "0.3.10rc5",
            "0.3.2",
            "0.3.3",
            "0.3.4",
            "0.3.5",
            "0.3.6",
            "0.3.7",
            "0.3.8",
            "0.3.9",
            "0.4.0b1",
            "0.4.0b2",
            "0.4.0b3",
            "0.4.0b4",
            "0.4.0b5",
            "0.4.0b6",
            "0.4.0rc1",
            "0.4.0rc2",
            "0.4.0rc3",
            "0.4.0rc4",
            "0.4.0rc5",
            "0.4.0rc6",
         ],
      },
   ],
   aliases: [
      "CVE-2024-24564",
   ],
   details: "Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in `extract32(b, start)`, if the `start` index provided has for side effect to update `b`, the byte array to extract `32` bytes from, it could be that some dirty memory is read and returned by `extract32`. This vulnerability is fixed in 0.4.0.",
   id: "PYSEC-2024-205",
   modified: "2025-01-19T19:19:01.519824+00:00",
   published: "2024-02-26T20:19:05+00:00",
   references: [
      {
         type: "ADVISORY",
         url: "https://github.com/vyperlang/vyper/security/advisories/GHSA-4hwq-4cpm-8vmx",
      },
      {
         type: "EVIDENCE",
         url: "https://github.com/vyperlang/vyper/security/advisories/GHSA-4hwq-4cpm-8vmx",
      },
      {
         type: "FIX",
         url: "https://github.com/vyperlang/vyper/commit/3d9c537142fb99b2672f21e2057f5f202cde194f",
      },
   ],
   related: [
      "GHSA-4hwq-4cpm-8vmx",
      "GHSA-4hwq-4cpm-8vmx",
   ],
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
         type: "CVSS_V3",
      },
   ],
}


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