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.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0

10.0 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

2.89% chance of exploitation in the next 30 days, 86th percentile

Published

2021-11-19

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402

References

• CVE Record
• NVD entry

Related

• CVE-2021-40390
• CVE-2021-40392
• CVE-2021-4039
• CVE-2021-40393
• CVE-2021-40389
• CVE-2021-40394