published January 12, 2021
🚨 A sneaky Ruby shell code injection vulnerability hides in ClusterLabs Hawk, targeting the hawk_remember_me_id parameter — a tightly-knit team that’s just a little too trusting! ⚡ Think of it like a restaurant where a dishonest diner manages to swap their meal ticket with a fake one, allowing them access to the kitchen without being noticed. This way, they could cook up anything they desire! If exploited, an attacker could leverage this vulnerability to execute arbitrary code under the hauser account, leading to potentially devastating consequences such as unauthorized access and data manipulation. Yikes!
Think of it like a restaurant where a dishonest diner manages to swap their meal ticket with a fake one, allowing them access to the kitchen without being noticed. This way, they could cook up anything they desire! In this flaw, unauthenticated remote attackers can manipulate the hawk_remember_me_id parameter in the login_from_cookie cookie, leading to Ruby shell code injection during logout. This means the user logout routine inadvertently allows code execution!
If exploited, an attacker could leverage this vulnerability to execute arbitrary code under the hauser account, leading to potentially devastating consequences such as unauthorized access and data manipulation. Yikes! To mitigate this vulnerability, upgrade ClusterLabs Hawk to version 2.3.1 or later and conduct a thorough review of the cookie handling routines. It's also wise to implement additional input validation measures to secure cookie parameters against injection attacks. You've got this! Taking action now will help keep your systems secure and your users safe. 🛡️