// For flags

CVE-2021-40391

Ubuntu Security Notice USN-6209-1

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se presenta una vulnerabilidad de escritura fuera de límites en la funcionalidad drill format T-code tool number de Gerbv versión 2.7.0, dev (commit b5f1eacd), y la versión forked de Gerbv (commit 71493260). Un archivo de perforación especialmente diseñado puede conllevar a una ejecución de código. Un atacante puede proporcionar un archivo malicioso para desencadenar esta vulnerabilidad

Claudio Bozzato discovered that Gerbv incorrectly handled certain Gerber files. An attacker could possibly use this issue to crash Gerbv , or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Claudio Bozzato discovered that Gerbv incorrectly handled certain Gerber files. An attacker could possibly use this issue to disclose information, crash Gerbv , or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-09-01 CVE Reserved
  • 2021-11-19 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • 2025-04-09 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-390: Detection of Error Condition Without Action
  • CWE-755: Improper Handling of Exceptional Conditions
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Gerbv Project
Search vendor "Gerbv Project"
 Gerbv
Search vendor "Gerbv Project" for product "Gerbv"
 2.7.0
Search vendor "Gerbv Project" for product "Gerbv" and version "2.7.0"
-
Affected
Gerbv Project
Search vendor "Gerbv Project"
 Gerbv
Search vendor "Gerbv Project" for product "Gerbv"
 2.7.0
Search vendor "Gerbv Project" for product "Gerbv" and version "2.7.0"
dev
Affected
Gerbv Project
Search vendor "Gerbv Project"
 Gerbv
Search vendor "Gerbv Project" for product "Gerbv"
 2.7.0
Search vendor "Gerbv Project" for product "Gerbv" and version "2.7.0"
forked_dev
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 36
Search vendor "Fedoraproject" for product "Fedora" and version "36"
-
Affected