CVE-2018-19975

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.

En YARA 3.8.1, el código de bytes en una regla compilada especialmente manipulada puede leer datos de cualquier dirección arbitraria en la memoria, en libyara/exec.c. Específicamente, OP_COUNT puede leer un DWORD.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-12-08 CVE Reserved
2018-12-17 CVE Published
2023-12-11 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC
https://bnbdr.github.io/posts/extracheese	2024-08-05
https://github.com/VirusTotal/yara/issues/999	2024-08-05
https://github.com/bnbdr/swisscheese	2024-08-05

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR	2023-11-07

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"				3.8.1 Search vendor "Virustotal" for product "Yara" and version "3.8.1"		-		Affected