Rule Category

BROWSER-WEBKIT -- Snort has detected traffic known to exploit vulnerabilities present in the Webkit browser engine (aside from Chrome) this includes Apple’s Safari, RIM’s mobile browser, Nokia, KDE, Webkit itself, and Palm. Attacks often insert code via exploits, cause webkit renderings in the browser to crash, or otherwise create chaos or exploit for entrance.

Alert Message

BROWSER-WEBKIT Apple Webkit updateDescendantDependentFlags use-after-free attempt

Rule Explanation

This event is generated when an Apple Webkit updateDescendantDependentFlags use-after-free attempt is detected. This could allow an attacker to execute arbitrary code given a maliciously crafted page. Impact: Attempted User Privilege Gain Details: Ease of Attack:

What To Look For

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic:

Technique:

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

Additional Links

CVE Additional Information