CVEvulnerability
CVE-2021-38196
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-08-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-94
Description
An issue was discovered in the better-macro crate through 2021-07-22 for Rust. It intentionally demonstrates that remote attackers can execute arbitrary code via proc-macros, and otherwise has no legitimate purpose.
Affected configurations
• better-macro project better-macro (<= 2021-07-22)
Related
Weakness · CWE (1)
- CWE-94 Improper Control of Generation of Code weakness
References
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/better-macro/RUSTSEC-2021-0077.md Third Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0077.html Exploit, Issue Tracking, Patch, Third Party Advisory
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/better-macro/RUSTSEC-2021-0077.md Third Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0077.html Exploit, Issue Tracking, Patch, Third Party Advisory