Horizon Alert
Summary of the vulnerability and why it matters
Liferay Portal's JSON web services are susceptible to a flaw that allows untrusted data to be processed. This vulnerability could permit attackers to execute code remotely, potentially leading to unauthorized system access and modification. The core issue stems from how the portal handles data deserialization, creating an opening for malicious input. This could disrupt operations and compromise sensitive information.
- Vulnerable Liferay Portal component
- Untrusted data processing flaw
- Remote code execution risk
Attack Path
How an attacker could exploit the issue
Liferay Portal versions prior to 7.2.1 CE GA2 are susceptible to an attack involving the deserialization of untrusted data through JSON web services. This vulnerability allows remote attackers to execute arbitrary code. The attack vector exploits the handling of JSON data, enabling an attacker to gain control over affected systems.
- Exposure condition: Network access to JSON web services.
- Attacker starting point: Unauthenticated access.
- Trigger and result: Send malicious JSON data, execute arbitrary code.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability allows attackers to execute arbitrary code within affected systems. The risk is amplified by the potential for widespread impact across organizations utilizing the affected product. Organizations should consider this a high-priority issue requiring immediate attention.
- Attackers with low skill.
- No access or conditions required.
- High business risk, urgent.
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
This vulnerability allows remote attackers to execute arbitrary code on affected systems by sending specially crafted requests to the JSON web services endpoint. Organizations should prioritize actions to identify and mitigate the risk posed by this vulnerability.
- Find exposed Liferay Portal assets.
- Reduce exposure or isolate affected systems.
- Apply vendor fixes and validate.
- Monitor for related security issues.
