CVE-2021-26236
FastStone Image Viewer Buffer Overflow Vulnerability
Description
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.
INFO
Published Date :
March 18, 2021, 1:15 p.m.
Last Modified :
March 24, 2021, 1:19 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-26236 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-26236.
| URL | Resource |
|---|---|
| https://voidsec.com/advisories/cve-2021-26236-faststone-image-viewer-v-7-5-stack-based-buffer-overflow/ | Exploit Third Party Advisory |
| 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 VDB Entry |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
I collect writeup about analysis CVEs and Exploits on the Windows in this repository.
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-26236 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-26236 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Mar. 24, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://voidsec.com/advisories/cve-2021-26236-faststone-image-viewer-v-7-5-stack-based-buffer-overflow/ No Types Assigned https://voidsec.com/advisories/cve-2021-26236-faststone-image-viewer-v-7-5-stack-based-buffer-overflow/ Exploit, Third Party Advisory Changed Reference Type https://voidsec.com/fuzzing-faststone-image-viewer-cve-2021-26236 No Types Assigned https://voidsec.com/fuzzing-faststone-image-viewer-cve-2021-26236 Exploit, Third Party Advisory Changed Reference Type https://www.exploit-db.com/exploits/49660 No Types Assigned https://www.exploit-db.com/exploits/49660 Exploit, Third Party Advisory, VDB Entry Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:faststone:image_viewer:*:*:*:*:*:*:*:* versions up to (including) 7.5 -
CVE Modified by [email protected]
Mar. 18, 2021
Action Type Old Value New Value Added Reference https://voidsec.com/advisories/cve-2021-26236-faststone-image-viewer-v-7-5-stack-based-buffer-overflow/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-26236 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-26236
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.50 }} 0.02%
score
0.76716
percentile