Buffer overflow in Faststone Image Viewer
CVE-2024-9112
FastStone Image Viewer PSD File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FastStone Image Viewer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PSD files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25102.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (18.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Faststone Image Viewer — versions 7.8
- Faststone Image_viewer — versions 7.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-9112?
- CVE-2024-9112 is a high-severity vulnerability in Faststone Image Viewer, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2024-11-22.
- How severe is CVE-2024-9112?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2024-9112 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.