Critical · published September 20, 2025
⚡ An unsuspecting `PropertyName` can be the gateway for a crafty SQL injection! Before version 8.4.1 of MapServer, attackers could twist backend queries by cleverly using double quote characters. 🔥 Imagine a restaurant menu where a sneaky diner can rephrase any dish to their liking without the chef noticing — that’s how this SQL injection works! By manipulating the input, the attacker bypasses the usual checks, just like a diner getting a free upgrade to a lobster dish without paying for it. An attacker could exploit this SQL injection to manipulate database queries, potentially leading to unauthorized data access, data alteration, or even data deletion. This could compromise the entire application’s integrity, leaving sensitive information vulnerable. Yikes!
Imagine a restaurant menu where a sneaky diner can rephrase any dish to their liking without the chef noticing — that’s how this SQL injection works! By manipulating the input, the attacker bypasses the usual checks, just like a diner getting a free upgrade to a lobster dish without paying for it. This vulnerability occurs when the XML Filter Query directive PropertyName in MapServer allows the introduction of double quote characters, bypassing expression checks and enabling Boolean-based SQL injection to manipulate backend database queries.
An attacker could exploit this SQL injection to manipulate database queries, potentially leading to unauthorized data access, data alteration, or even data deletion. This could compromise the entire application’s integrity, leaving sensitive information vulnerable. Yikes! To protect your system, upgrade to MapServer version 8.4.1 or later immediately. Additionally, review your input validation measures to ensure they thoroughly sanitize inputs. It’s critical to stay one step ahead! You’ve got this! With these steps, you’ll lock down your application in no time. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| osgeo/mapserver | all versions | — |