Improper input validation in Dfinity Candid
CVE-2023-6245
The Candid library causes a Denial of Service while parsing a specially crafted payload with 'empty' data type. For example, if the payload is `record { * ; empty }` and the canister interface expects `record { * }` then the Rust candid…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.012 (65.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Dfinity Candid
- Internet Computer Candid — versions 0.9.0
Weakness classification (CWE)
References
- 6b35d637-e00f-4228-858c-b20ad6e1d07b (Patch)
- 6b35d637-e00f-4228-858c-b20ad6e1d07b (Product)
- 6b35d637-e00f-4228-858c-b20ad6e1d07b (Product)
- 6b35d637-e00f-4228-858c-b20ad6e1d07b (Patch, Third Party Advisory)
- 6b35d637-e00f-4228-858c-b20ad6e1d07b (Product)
Frequently asked questions
- What is CVE-2023-6245?
- CVE-2023-6245 is a high-severity vulnerability in Dfinity Candid, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2023-12-08.
- How severe is CVE-2023-6245?
- High severity. CVSS v3 base score is 7.5 out of 10.