cvelistv5 - cve-2023-34449

CVE-2023-34449 (GCVE-0-2023-34449)

Vulnerability from cvelistv5 – Published: 2023-06-14 20:10 – Updated: 2024-12-30 14:57

Title

ink! vulnerable to incorrect decoding of storage value when using `DelegateCall`

Summary

ink! is an embedded domain specific language to write smart contracts in Rust for blockchains built on the Substrate framework. Starting in version 4.0.0 and prior to version 4.2.1, the return value when using delegate call mechanics, either through `CallBuilder::delegate` or `ink_env::invoke_contract_delegate`, is decoded incorrectly. This bug was related to the mechanics around decoding a call's return buffer, which was changed as part of pull request 1450. Since this feature was only released in ink! 4.0.0, no previous versions are affected. Users who have an ink! 4.x series contract should upgrade to 4.2.1 to receive a patch.

Severity ?

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions
CWE-253 - Incorrect Check of Function Return Value

Assigner

GitHub_M

References

URL

Tags

	https://github.com/paritytech/ink/security/adviso…	x_refsource_CONFIRM
	https://github.com/paritytech/ink/pull/1450	x_refsource_MISC
	https://github.com/paritytech/ink/commit/f1407ee9…	x_refsource_MISC
	https://docs.rs/ink_env/4.2.0/ink_env/call/struct…	x_refsource_MISC
	https://docs.rs/ink_env/4.2.0/ink_env/fn.invoke_c…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	paritytech	ink	Affected: >= 4.0.0, < 4.2.1

Show details on NVD website

JSON

To clipboard

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}

FKIE_CVE-2023-34449

Vulnerability from fkie_nvd - Published: 2023-06-14 21:15 - Updated: 2024-11-21 08:07

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Summary

References

URL	Tags
security-advisories@github.com	https://docs.rs/ink_env/4.2.0/ink_env/call/struct.CallBuilder.html#method.delegate	Exploit, Third Party Advisory
security-advisories@github.com	https://docs.rs/ink_env/4.2.0/ink_env/fn.invoke_contract_delegate.html	Exploit, Third Party Advisory
security-advisories@github.com	https://github.com/paritytech/ink/commit/f1407ee9f87e5f64d467a22d26ee88f61db7f3db	Patch
security-advisories@github.com	https://github.com/paritytech/ink/pull/1450	Patch, Vendor Advisory
security-advisories@github.com	https://github.com/paritytech/ink/security/advisories/GHSA-853p-5678-hv8f	Exploit, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://docs.rs/ink_env/4.2.0/ink_env/call/struct.CallBuilder.html#method.delegate	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://docs.rs/ink_env/4.2.0/ink_env/fn.invoke_contract_delegate.html	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/paritytech/ink/commit/f1407ee9f87e5f64d467a22d26ee88f61db7f3db	Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/paritytech/ink/pull/1450	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/paritytech/ink/security/advisories/GHSA-853p-5678-hv8f	Exploit, Patch, Vendor Advisory

Impacted products

	Vendor	Product	Version
	parity	ink\!	*

JSON

To clipboard

{
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      "nodes": [
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          "cpeMatch": [
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              "matchCriteriaId": "9A457DD0-00EE-42F1-97E4-16089A57EAD5",
              "versionEndExcluding": "4.2.1",
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              "vulnerable": true
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  ],
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    }
  ],
  "id": "CVE-2023-34449",
  "lastModified": "2024-11-21T08:07:16.673",
  "metrics": {
    "cvssMetricV31": [
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      "source": "security-advisories@github.com",
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}

GSD-2023-34449

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Aliases

CVE-2023-34449

Aliases

CVE-2023-34449

JSON

To clipboard

{
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    "id": "GSD-2023-34449"
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      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      ],
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      "id": "GSD-2023-34449",
      "modified": "2023-12-13T01:20:30.516096Z",
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}

GHSA-853P-5678-HV8F

Vulnerability from github – Published: 2023-06-14 20:11 – Updated: 2023-06-16 17:57

Summary

ink! vulnerable to incorrect decoding of storage value when using `DelegateCall`

Details

Summary

The return value when using delegate call mechanics, either through CallBuilder::delegate or ink_env::invoke_contract_delegate, is being decoded incorrectly.

Description

Consider this minimal example:

// First contract, this will be performing a delegate call to the `Callee`.
#[ink(storage)]
pub struct Caller {
    value: u128,
}

#[ink(message)]
pub fn get_value(&self, callee_code_hash: Hash) -> u128 {
    let result = build_call::<DefaultEnvironment>()
        .delegate(callee_code_hash)
        .exec_input(ExecutionInput::new(Selector::new(ink::selector_bytes!(
            "get_value"
        ))))
        .returns::<u128>()
        .invoke();

    result
}

// Different contract, using this code hash for the delegate call.
#[ink(storage)]
pub struct Callee {
    value: u128,
}

#[ink(message)]
pub fn get_value(&self) -> u128 {
    self.value
}

In this example we are executing the Callee code in the context of the Caller contract. This means we'll be using the storage values of the Caller contract.

Running this code we expect the delegate call to return value as it was stored in the Caller contract. However, due to the reported bug a different value is returned (for the case of uints it is 256 times the expected value).

Impact

After conducting an analysis of the on-chain deployments of ink! contracts on Astar, Shiden, Aleph Zero, Amplitude and Pendulum, we have found that no contracts on those chains have been affected by the issue.

This bug was related to the mechanics around decoding a call's return buffer, which was changed as part of https://github.com/paritytech/ink/pull/1450. Since this feature was only released in ink! 4.0.0 no previous versions are affected.

Mitigations

If you have an ink! 4.x series contract, please update it to the 4.2.1 patch release that we just published.

Credits

Thank you Facundo Lerena from CoinFabrik for reporting this problem in a well-structured and responsible way.

Severity ?

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "ink"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "ink_env"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-34449"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-253",
      "CWE-754"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-14T20:11:38Z",
    "nvd_published_at": "2023-06-14T21:15:09Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nThe return value when using delegate call mechanics, either through [`CallBuilder::delegate`](https://docs.rs/ink_env/4.2.0/ink_env/call/struct.CallBuilder.html#method.delegate) or [`ink_env::invoke_contract_delegate`](https://docs.rs/ink_env/4.2.0/ink_env/fn.invoke_contract_delegate.html), is being decoded incorrectly.\n\n### Description\nConsider this minimal example:\n\n```rust\n// First contract, this will be performing a delegate call to the `Callee`.\n#[ink(storage)]\npub struct Caller {\n    value: u128,\n}\n\n#[ink(message)]\npub fn get_value(\u0026self, callee_code_hash: Hash) -\u003e u128 {\n    let result = build_call::\u003cDefaultEnvironment\u003e()\n        .delegate(callee_code_hash)\n        .exec_input(ExecutionInput::new(Selector::new(ink::selector_bytes!(\n            \"get_value\"\n        ))))\n        .returns::\u003cu128\u003e()\n        .invoke();\n\n    result\n}\n\n// Different contract, using this code hash for the delegate call.\n#[ink(storage)]\npub struct Callee {\n    value: u128,\n}\n\n#[ink(message)]\npub fn get_value(\u0026self) -\u003e u128 {\n    self.value\n}\n```\n\nIn this example we are executing the `Callee` code in the context of the `Caller` contract. This means we\u0027ll be using the storage values of the `Caller` contract.\n\nRunning this code we expect the delegate call to return `value` as it was stored in the `Caller` contract. However, due to the reported bug a different value is returned (for the case of `uint`s it is `256` times the expected value).\n\n### Impact\nAfter conducting an analysis of the on-chain deployments of ink! contracts on Astar, Shiden, Aleph Zero, Amplitude and Pendulum, we have found that no contracts on those chains have been affected by the issue.\n\nThis bug was related to the mechanics around decoding a call\u0027s return buffer, which was changed as part of https://github.com/paritytech/ink/pull/1450. Since this feature was only released in ink! 4.0.0 no previous versions are affected.\n\n### Mitigations\nIf you have an ink! 4.x series contract, please update it to the [4.2.1](https://github.com/paritytech/ink/releases/tag/v4.2.1) patch release that we just published. \n\n### Credits\nThank you Facundo Lerena from [CoinFabrik](https://www.coinfabrik.com) for reporting this problem in a well-structured and responsible way.",
  "id": "GHSA-853p-5678-hv8f",
  "modified": "2023-06-16T17:57:43Z",
  "published": "2023-06-14T20:11:38Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/paritytech/ink/security/advisories/GHSA-853p-5678-hv8f"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-34449"
    },
    {
      "type": "WEB",
      "url": "https://github.com/paritytech/ink/pull/1450"
    },
    {
      "type": "WEB",
      "url": "https://github.com/paritytech/ink/commit/f1407ee9f87e5f64d467a22d26ee88f61db7f3db"
    },
    {
      "type": "WEB",
      "url": "https://docs.rs/ink_env/4.2.0/ink_env/call/struct.CallBuilder.html#method.delegate"
    },
    {
      "type": "WEB",
      "url": "https://docs.rs/ink_env/4.2.0/ink_env/fn.invoke_contract_delegate.html"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/paritytech/ink"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ink! vulnerable to incorrect decoding of storage value when using `DelegateCall`"
}

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.

Action not permitted

CVE-2023-34449 (GCVE-0-2023-34449)

FKIE_CVE-2023-34449

GSD-2023-34449

GHSA-853P-5678-HV8F

Summary

Description

Impact

Mitigations

Credits

Tags

Sightings

Nomenclature