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).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.99%). 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 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.
- 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
- 2.99% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-390, CWE-755, CWE-787
- Affected
- gerbv project/gerbv · debian/debian linux · fedoraproject/fedora
- Source
- talos-cna@cisco.com
References
- https://lists.debian.org/debian-lts-announce/2021/12/msg00003.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00003.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.