Out-of-Bounds Write Vulnerability in FastStone Image Viewer by FastStone
CVE-2020-35844

7.8HIGH

Key Information:

Vendor

Faststone

Status
Image Viewer
Vendor
CVE Published:
26 January 2021

What is CVE-2020-35844?

FastStone Image Viewer version 7.5 is susceptible to an out-of-bounds write vulnerability that occurs when the application processes specially crafted image files. This flaw can lead to potential data corruption or exploitation by an attacker. The issue is rooted in improper handling of image data, allowing an external entity to manipulate how memory is written during image processing operations.

References

https://twitter.com/DmitriyMelikov
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https://github.com/DmitryMeD/pentesting/blob/main/FastSto...
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CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.