CVE-2020-35844

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

FastStone Image Viewer 7.5 has an out-of-bounds write (via a crafted image file) at FSViewer.exe+0xbe9c4.

FastStone Image Viewer versión 7.5, presenta una escritura fuera de límites (por medio de un archivo de imagen diseñado) en FSViewer.exe+0xbe9c4

*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

2020-12-30 CVE Reserved
2021-01-25 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (2)

URL	Tag	Source
https://twitter.com/DmitriyMelikov	Third Party Advisory

URL	Date	SRC
https://github.com/DmitryMeD/pentesting/blob/main/FastStone%20Image%20Viewer%207.5.md	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
Faststone Search vendor "Faststone"		Image Viewer Search vendor "Faststone" for product "Image Viewer"				7.5 Search vendor "Faststone" for product "Image Viewer" and version "7.5"		-		Affected