CVE-2023-34449 — ink! is an embedded domain specific language to write smart contracts in Rust fo
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 `in
Published
2023-06-14T20:10:54.842Z
Last modified
2024-12-30T14:57:52.199Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
01What is this vulnerability?
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…
02Affected products
| Vendor | Product | Versions |
|---|
| paritytech | ink | >= 4.0.0, < 4.2.1 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2023-06-14T20:10:54.842Z
- Last modified: 2024-12-30T14:57:52.199Z
09References
- github.com — https://github.com/paritytech/ink/security/advisories/GHSA-853p-5678-hv8f
- github.com — https://github.com/paritytech/ink/pull/1450
- github.com — https://github.com/paritytech/ink/commit/f1407ee9f87e5f64d467a22d26ee88f61db7f3d…
- docs.rs — https://docs.rs/ink_env/4.2.0/ink_env/call/struct.CallBuilder.html#method.delega…
- docs.rs — https://docs.rs/ink_env/4.2.0/ink_env/fn.invoke_contract_delegate.html
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