Vulnerability · Published Feb 4, 2022 · Assigned by talos
CVE-2021-40401
Critical 10.0
In plain English
A critical-severity security flaw in Gerbv. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)10.0Critical
Exploit odds (30 days)1.3%top 29.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A use-after-free vulnerability exists in the RS-274X aperture definition tokenization functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and Gerbv forked 2.7.1. A specially-crafted gerber file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | gerbv | 2.9.2-1 | DEBIAN-CVE-2021-40401 |
| Debian:13 | gerbv | 2.9.2-1 | DEBIAN-CVE-2021-40401 |
Affected products (as reported)
Weakness: CWE-252 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:H
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1415
- FEDORA-2022-4a3ef86baa vendor-advisory
- DSA-5306 vendor-advisory