AIKIDO-2024-10084
Flask-Cors is vulnerable to Improper Output Neutralization for Logs (Log Injection)
50
Medium Risk
This Affects:
Flask-CorsTL;DR
Affected versions of the Flask-Cors library are vulnerable to log injection when the log level is set to debug. An attacker can inject fake log entries into the log file by sending a specially crafted GET request containing a CRLF sequence in the request path. This vulnerability allows attackers to corrupt log files, potentially covering tracks of other attacks, confusing log post-processing tools, and forging log entries. The issue arises from improper output neutralization for logs.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
Flask-Cors is vulnerable to Improper Output Neutralization for Logs (Log Injection) in versions 2.0.0 - 4.0.0.
How to fix this
Upgrade the Flask-Cors library to the patch version.
Links
GitHub Release
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