CVE-2022-22310: IBM WebSphere Information Disclosure Flaw

CVE-2022-22310 Overview

IBM WebSphere Application Server Liberty versions 21.0.0.10 through 21.0.0.12 contain a security weakness that could provide weaker than expected security protections. A remote attacker could exploit this vulnerability to obtain sensitive information and gain unauthorized access to JAX-WS applications. This vulnerability is tracked by IBM X-Force ID: 217224.

Critical Impact

Remote attackers can exploit weaker-than-expected security to access sensitive information and gain unauthorized access to JAX-WS applications without authentication.

Affected Products

• IBM WebSphere Application Server Liberty 21.0.0.10 through 21.0.0.12
• Deployments on Apple macOS, HP-UX, IBM AIX, IBM i, IBM z/OS
• Deployments on Linux, Microsoft Windows, Oracle Solaris

Discovery Timeline

• 2022-01-19 - CVE-2022-22310 published to NVD
• 2024-11-21 - Last updated in NVD database

Technical Details for CVE-2022-22310

Vulnerability Analysis

This vulnerability affects IBM WebSphere Application Server Liberty's security implementation for JAX-WS (Java API for XML Web Services) applications. The weakness stems from the server providing weaker-than-expected security protections, which can be exploited remotely over the network. The vulnerability requires no authentication or user interaction to exploit, making it accessible to unauthenticated remote attackers. Successful exploitation can lead to both confidentiality and integrity impacts on affected systems.

Root Cause

The root cause of CVE-2022-22310 lies in an improper security implementation within IBM WebSphere Application Server Liberty's JAX-WS handling. The vulnerability results in security protections being weaker than expected, allowing attackers to bypass intended access controls. This weakness enables information disclosure and unauthorized access to web service applications that should be protected by the server's security mechanisms.

Attack Vector

The attack vector is network-based, allowing remote exploitation without requiring local access to the target system. An attacker can exploit this vulnerability by sending crafted requests to JAX-WS applications hosted on vulnerable WebSphere Application Server Liberty instances. The attack does not require any privileges or user interaction, making it straightforward for attackers to leverage. Successful exploitation grants access to sensitive information and unauthorized capabilities within the JAX-WS application context.

The vulnerability manifests in the security handling mechanisms of JAX-WS applications. Due to the weaker-than-expected security implementation, authentication and authorization checks may not function as intended, allowing unauthorized access. For detailed technical information, refer to the IBM Support Node Advisory.

Detection Methods for CVE-2022-22310

Indicators of Compromise

• Unusual or unauthorized access attempts to JAX-WS application endpoints
• Unexpected data access patterns or information retrieval from web services
• Authentication anomalies in WebSphere Application Server Liberty logs
• Unexplained access to protected resources without proper credentials

Detection Strategies

• Monitor WebSphere Application Server Liberty access logs for suspicious JAX-WS requests
• Implement network traffic analysis to detect unauthorized web service communications
• Deploy application-level monitoring to identify anomalous access patterns to protected resources
• Use SentinelOne Singularity platform to detect exploitation attempts and suspicious behavior

Monitoring Recommendations

• Enable comprehensive logging for all JAX-WS application access and authentication events
• Configure alerts for failed authentication attempts followed by successful resource access
• Implement real-time monitoring of WebSphere Application Server Liberty security events
• Review audit logs regularly for indicators of unauthorized information access

How to Mitigate CVE-2022-22310

Immediate Actions Required

• Identify all IBM WebSphere Application Server Liberty instances running versions 21.0.0.10 through 21.0.0.12
• Apply the security patch provided by IBM as documented in the IBM Support Node Advisory
• Review access logs for any signs of exploitation prior to patching
• Implement network segmentation to limit exposure of vulnerable JAX-WS applications

Patch Information

IBM has released a security update to address CVE-2022-22310. Organizations should upgrade to a patched version of IBM WebSphere Application Server Liberty beyond version 21.0.0.12. Detailed patching instructions and download links are available through the IBM Support Node Advisory. Additional vulnerability information can be found at the IBM X-Force Vulnerability #217224.

Workarounds

• Restrict network access to JAX-WS applications using firewall rules until patching is complete
• Implement additional authentication layers at the network perimeter for affected services
• Consider temporarily disabling non-essential JAX-WS applications until the patch is applied
• Use web application firewalls (WAF) to monitor and filter suspicious requests to affected endpoints

# Configuration example
# Verify current WebSphere Application Server Liberty version
cd /opt/ibm/wlp/bin
./server version

# Check if JAX-WS features are enabled
cat /opt/ibm/wlp/usr/servers/defaultServer/server.xml | grep -i jaxws

# Restrict access to JAX-WS endpoints via iptables (temporary mitigation)
iptables -A INPUT -p tcp --dport 9080 -s 10.0.0.0/8 -j ACCEPT
iptables -A INPUT -p tcp --dport 9080 -j DROP