Integer overflow in Xnsoft Xnview Classic
CVE-2024-11950
XnSoft XnView Classic RWZ File Parsing Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of XnSoft XnView Classic. 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 RWZ files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-22913.
EPSS: 0.005 (39.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Xnsoft Xnview Classic — versions 2.51.5
- Xnview — versions 2.51.5
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-11950?
- CVE-2024-11950 is a high-severity vulnerability in Xnsoft Xnview Classic, classified under Integer Underflow. CVSS score: 8.8/10. Published 2024-12-12.
- How severe is CVE-2024-11950?
- High severity. CVSS v3 base score is 8.8 out of 10.