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CVE-2021-40393

Date: December 21, 2021

An out-of-bounds write vulnerability exists in the RS-274X aperture macro variables handling functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and the forked version of Gerbv (commit 71493260). A specially-crafted gerber file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Severity Score

Related Resources (9)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/37OSNNO5N5FJZP6ZBYRJMML5HYMJQIX7/
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-40393
https://www.debian.org/security/2022/dsa-5306
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1404
https://nvd.nist.gov/vuln/detail/CVE-2021-40393
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/37OSNNO5N5FJZP6ZBYRJMML5HYMJQIX7/
https://lists.debian.org/debian-lts-announce/2023/09/msg00040.html
https://security-tracker.debian.org/tracker/CVE-2021-40393
https://www.mend.io/vulnerability-database/CVE-2021-40393

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Out-of-bounds Write

CWE-787

CVSS v3.1

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

CVSS v2

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

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