{
  "schema_version": "1.4.0",
  "id": "GHSA-4jwq-572w-4388",
  "modified": "2024-01-30T23:55:38Z",
  "published": "2024-01-30T23:55:38Z",
  "aliases": [
    "CVE-2021-29511"
  ],
  "summary": "Memory over-allocation in evm crate",
  "details": "### Impact\nPrior to the patch, when executing specific EVM opcodes related to memory operations that use `evm_core::Memory::copy_large`, the crate can over-allocate memory when it is not needed, making it possible for an attacker to perform denial-of-service attack.\n\n### Patches\nThe flaw was corrected in commit `19ade85`. Users should upgrade to `==0.21.1, ==0.23.1, ==0.24.1, ==0.25.1, >=0.26.1`.\n\n### Workarounds\nNone. Please upgrade your `evm` crate version\n\n### References\nFix commit: https://github.com/rust-blockchain/evm/commit/19ade858c430ab13eb562764a870ac9f8506f8dd\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [evm repo](https://github.com/rust-blockchain/evm)\n* Email [Wei](mailto:wei@that.world)\n",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.21.1"
            }
          ]
        }
      ],
      "database_specific": {
        "last_known_affected_version_range": "<= 0.21.0"
      }
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm-core"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.21.1"
            }
          ]
        }
      ],
      "database_specific": {
        "last_known_affected_version_range": "<= 0.21.0"
      }
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0.22.0"
            },
            {
              "fixed": "0.22.1"
            }
          ]
        }
      ],
      "versions": [
        "0.22.0"
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0.23.0"
            },
            {
              "fixed": "0.23.1"
            }
          ]
        }
      ],
      "versions": [
        "0.23.0"
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0.24.0"
            },
            {
              "fixed": "0.24.1"
            }
          ]
        }
      ],
      "versions": [
        "0.24.0"
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0.25.0"
            },
            {
              "fixed": "0.25.1"
            }
          ]
        }
      ],
      "versions": [
        "0.25.0"
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0.26.0"
            },
            {
              "fixed": "0.26.1"
            }
          ]
        }
      ],
      "versions": [
        "0.26.0"
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm-core"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0.22.0"
            },
            {
              "fixed": "0.22.1"
            }
          ]
        }
      ],
      "versions": [
        "0.22.0"
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm-core"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0.23.0"
            },
            {
              "fixed": "0.23.1"
            }
          ]
        }
      ],
      "versions": [
        "0.23.0"
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm-core"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0.24.0"
            },
            {
              "fixed": "0.24.1"
            }
          ]
        }
      ],
      "versions": [
        "0.24.0"
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm-core"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0.25.0"
            },
            {
              "fixed": "0.25.1"
            }
          ]
        }
      ],
      "versions": [
        "0.25.0"
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "evm-core"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0.26.0"
            },
            {
              "fixed": "0.26.1"
            }
          ]
        }
      ],
      "versions": [
        "0.26.0"
      ]
    }
  ],
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/rust-blockchain/evm/security/advisories/GHSA-4jwq-572w-4388"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29511"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rust-blockchain/evm/commit/19ade858c430ab13eb562764a870ac9f8506f8dd"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770",
      "CWE-787"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2024-01-30T23:55:38Z",
    "nvd_published_at": "2021-05-12T18:15:00Z"
  }
}