Buffer overflow in Gerbv Project
CVE-2021-40391
An out-of-bounds write vulnerability exists in the drill format T-code tool number functionality of Gerbv 2.7.0, dev (commit b5f1eacd), and the forked version of Gerbv (commit 71493260). A specially-crafted drill file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.030 (86.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.030 · change: +0.001
Affected products
- Gerbv Project — versions 2.7.0
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 36
- Gerbv — versions Gerbv 2.7.0 , Gerbv dev (commit b5f1eacd) ,Gerbv forked dev (commit 71493260)
Weakness classification (CWE)
References
- www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402 (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/12/msg00003.html (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-40391?
- CVE-2021-40391 is a critical-severity vulnerability in Gerbv Project, classified under CWE-390. CVSS score: 9.8/10. Published 2021-11-19.
- How severe is CVE-2021-40391?
- Critical severity. CVSS v3 base score is 9.8 out of 10.