User Mode Write Access Violation in FastStone Image Viewer by FastStone
CVE-2021-26234

7.8HIGH

Key Information:

Vendor

Faststone

Status
Image Viewer
Vendor
CVE Published:
18 March 2021

What is CVE-2021-26234?

FastStone Image Viewer versions up to 7.5 are susceptible to a user mode write access violation. This vulnerability is triggered when an attacker opens or views a specially crafted CUR file. The mishandling by FSViewer.exe could be exploited, potentially leading to a Denial of Service (DoS) condition or allowing for arbitrary code execution. Users are advised to upgrade to the latest version to mitigate risks associated with this vulnerability.

References

https://voidsec.com/advisories/cve-2021-26234-faststone-i...
x_refsource_MISC

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

.