CVE-2020-24996

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Se presenta un acceso a la memoria no válido en la función TextString::~TextString() ubicada en el archivo Catalog.cc en Xpdf versión 4.0.2. Puede ser activado (por ejemplo) mediante el envío de un archivo PDF diseñado hacia el binario pdftohtml, que puede permitir a un atacante remoto causar una Denegación de Servicio (falla de Segmentación) o posiblemente tener otro impacto no especificado

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-08-28 CVE Reserved
2020-09-03 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-10-13 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-665: Improper Initialization

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42028	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
Xpdfreader Search vendor "Xpdfreader"		Xpdf Search vendor "Xpdfreader" for product "Xpdf"				4.0.2 Search vendor "Xpdfreader" for product "Xpdf" and version "4.0.2"		-		Affected