CVE-2021-45429

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yr_set_configuration in yara/libyara/libyara.c, which could cause a Denial of Service.

Se presenta una vulnerabilidad de Desbordamiento del Búfer en VirusTotal YARA en el git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 por medio de la función yr_set_configuration en el archivo yara/libyara/libyara.c, que podría causar una Denegación de Servicio

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-20 CVE Reserved
2022-02-04 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-10-20 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/VirusTotal/yara/issues/1616	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Virustotal Search vendor "Virustotal"		Yara Search vendor "Virustotal" for product "Yara"				>= 4.2.0 Search vendor "Virustotal" for product "Yara" and version " >= 4.2.0"		-		Affected