SID 1:52133

Rule Category

FILE-OTHER -- Snort detected traffic targeting vulnerabilities in a file type that does not require enough rule coverage to have its own category.

Alert Message

FILE-OTHER Libmspack cabd_sys_read_block off-by-one heap overflow attempt

Rule Explanation

This event is generated when a cab file that triggers an off-by-one heap overflow in Libmspack is observed. Impact: Potential Code Execution Details: A crafted cab file can trigger an off-by-one heap overflow in Libmspack cabd_sys_read_block by sending a file with a cbData value of 38912 or greater within the CFDATA block. Ease of Attack:

What To Look For

No information provided

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group