CVE-2021-40391
Published: 19 November 2021
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.
Priority
Status
Package | Release | Status |
---|---|---|
gerbv
Launchpad, Ubuntu, Debian |
bionic |
Released
(2.6.1-3ubuntu0.1~esm1)
Available with Ubuntu Pro |
focal |
Released
(2.7.0-1ubuntu0.1)
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
jammy |
Released
(2.8.2-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
kinetic |
Not vulnerable
(2.7.1)
|
|
lunar |
Not vulnerable
(2.7.1)
|
|
trusty |
Ignored
(end of standard support)
|
|
upstream |
Not vulnerable
(2.7.1)
|
|
xenial |
Released
(2.6.0-1ubuntu0.16.04.1~esm1)
Available with Ubuntu Pro |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1402
- https://github.com/gerbv/gerbv/commit/9f83950b772b37b49ee188300e444546e6aab17e
- https://github.com/gerbv/gerbv/issues/30
- https://ubuntu.com/security/notices/USN-6209-1
- https://www.cve.org/CVERecord?id=CVE-2021-40391
- NVD
- Launchpad
- Debian