Critical · published October 5, 2017
CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.8th percentile for exploit probability.
🚨 A crafty payload is all it takes to trigger RCE in JBoss! This vulnerability lets attackers execute arbitrary code without any authentication, making your server a target for remote exploits. 🔥 This is like leaving the key to your safe under the doormat — anyone can walk in and access your most precious secrets if they know where to look! The ReadOnlyAccessFilter in JBoss isn't checking who gets to unwrap the package, so an attacker could slip in malicious data and take control. An attacker could execute arbitrary code on your server, potentially leading to data theft, system manipulation, or even complete server takeover. This is absolutely devastating for any organization relying on the affected application, as the consequences could be catastrophic!
This is like leaving the key to your safe under the doormat — anyone can walk in and access your most precious secrets if they know where to look! The ReadOnlyAccessFilter in JBoss isn't checking who gets to unwrap the package, so an attacker could slip in malicious data and take control. CVE-2017-12149 allows attackers to exploit the doFilter method in the ReadOnlyAccessFilter of JBoss Application Server by sending crafted serialized data. The filter fails to restrict which classes it can deserialize, making it vulnerable to remote code execution.
An attacker could execute arbitrary code on your server, potentially leading to data theft, system manipulation, or even complete server takeover. This is absolutely devastating for any organization relying on the affected application, as the consequences could be catastrophic! Immediately patch your JBoss Application Server to version 5.2.1 or later to close this gap. Additionally, review your serialization processes and consider implementing stricter validation measures to prevent similar issues in the future. You've got this! By taking these steps, you'll fortify your defenses and keep your servers safe and sound. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| redhat/jboss_enterprise_application_platform | all versions | — |
| redhat/jboss_enterprise_application_platform | all versions | — |
| redhat/jboss_enterprise_application_platform | all versions | — |
| redhat/jboss_enterprise_application_platform | all versions | — |
| redhat/jboss_enterprise_application_platform | all versions | — |
| redhat/jboss_enterprise_application_platform | all versions | — |
| redhat/jboss_enterprise_application_platform | all versions | — |
| redhat/jboss_enterprise_application_platform | all versions | — |
| redhat/jboss_enterprise_application_platform | all versions | — |