Title: XnView Command-Line Arguments Buffer Overflow Vulnerability
Severity: HIGH
Description:
XnView is a photo viewer available for multiple platforms.
XnView is prone to a buffer-overflow vulnerability because the application fails to bounds-check user-supplied data before copying it into an insufficiently sized buffer.
Specifically, when the application is passed approximately 512 bytes of data as a filename command-line argument, a memory buffer is overrun.
Attackers may exploit this issue only if XnView is configured as a handler for other applications, so that it can be passed malicious filenames as command-line data.
An attacker can exploit this issue to execute arbitrary code in the context of the user running the affected application. Failed exploit attempts will result in a denial of service.
This issue affects XnView 1.92.1; other versions may also be vulnerable.
Affected Products:
- XnView XnView Standard 1.92.1
References:
- XnView: XnView Download Page
- XnView: XnView History Page
- XnView: XnView Homepage
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