CVE-2021-40391

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*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

*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
2024-10-25 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

References (3)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2021/12/msg00003.html	Mailing List

URL	Date	SRC
https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47	2023-11-07

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