CVE-2021-40393
An out-of-bounds write vulnerability exists in the RS-274X aperture macro variables handling functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and the forked version of Gerbv (commit 71493260).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An out-of-bounds write vulnerability exists in the RS-274X aperture macro variables handling functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and the forked version of Gerbv (commit 71493260). A specially-crafted gerber file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.06% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-787
- Affected
- gerbv project/gerbv · debian/debian linux
- Source
- talos-cna@cisco.com
References
- https://lists.debian.org/debian-lts-announce/2023/09/msg00040.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/37OSNNO5N5FJZP6ZBYRJMML5HYMJQIX7/
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1404Exploit, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5306Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00040.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/37OSNNO5N5FJZP6ZBYRJMML5HYMJQIX7/
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1404Exploit, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5306Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.