Out-of-Bounds Write Vulnerability in FastStone Image Viewer by FastStone Soft
CVE-2020-35845

7.8HIGH

Key Information:

Vendor

Faststone

Status
Image Viewer
Vendor
CVE Published:
26 January 2021

What is CVE-2020-35845?

FastStone Image Viewer 7.5 is vulnerable to an out-of-bounds write issue, which can be triggered by a specially crafted image file. This vulnerability allows attackers to potentially execute arbitrary code or cause a denial of service. The flaw occurs at the FSViewer.exe+0x96cf address, posing serious security risks to users of the software. It's crucial for users to update to newer versions or implement protective measures against this vulnerability.

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

.