CVE Vulnerability

CVE-2021-26236

FastStone Image Viewer v.<= 7.5 is affected by a Stack-based Buffer Overflow at 0x005BDF49, affecting the CUR file parsing functionality (BITMAPINFOHEADER Structure, 'BitCount' file format field), that will end up corrupting the Structure Exception Handler (SEH). Attackers could exploit this issue to achieve code execution when a user opens or views a malformed/specially crafted CUR file.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://voidsec.com/fuzzing-faststone-image-viewer-cve-2021-26236 Exploit Third Party Advisory
https://www.exploit-db.com/exploits/49660 Exploit Third Party Advisory
https://voidsec.com/advisories/cve-2021-26236-faststone-image-viewer-v-7-5-stack-based-buffer-overflow/ Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:faststone:image_viewer:*:*:*:*:*:*:*:*
Information

Published : 2021-03-18 01:15

Updated : 2021-03-24 01:19

NVD link : CVE-2021-26236

Mitre link : CVE-2021-26236

Products Affected
No products.
CWE
CWE-787