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CVE-2021-40401

Date: February 3, 2022

A use-after-free vulnerability exists in the RS-274X aperture definition tokenization functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and Gerbv forked 2.7.1. A specially-crafted gerber file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Language: C

Severity Score

Related Resources (8)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/
https://nvd.nist.gov/vuln/detail/CVE-2021-40401
https://www.debian.org/security/2022/dsa-5306
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1415
https://security-tracker.debian.org/tracker/CVE-2021-40401
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-40401
https://www.mend.io/vulnerability-database/CVE-2021-40401

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Unchecked Return Value

CWE-252

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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