CVE Vulnerabilities

CVE-2021-40391

Improper Handling of Exceptional Conditions

Published: Nov 19, 2021 | Modified: Nov 07, 2023
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

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.

Weakness

The product does not handle or incorrectly handles an exceptional condition.

Affected Software

Name Vendor Start Version End Version
Gerbv Gerbv_project 2.7.0 (including) 2.7.0 (including)
Gerbv Gerbv_project 2.7.0-dev (including) 2.7.0-dev (including)
Gerbv Gerbv_project 2.7.0-forked_dev (including) 2.7.0-forked_dev (including)
Gerbv Ubuntu bionic *
Gerbv Ubuntu esm-apps/bionic *
Gerbv Ubuntu esm-apps/jammy *
Gerbv Ubuntu esm-apps/xenial *
Gerbv Ubuntu focal *
Gerbv Ubuntu hirsute *
Gerbv Ubuntu impish *
Gerbv Ubuntu trusty *
Gerbv Ubuntu xenial *

References