CVE-2024-30300: Adobe FrameMaker Privilege Escalation Flaw

CVE-2024-30300 Overview

CVE-2024-30300 is a critical Information Exposure vulnerability (CWE-200) affecting Adobe Framemaker Publishing Server. This vulnerability allows attackers to gain access to sensitive information which may include system or user privileges, potentially leading to privilege escalation. Notably, exploitation of this vulnerability does not require user interaction, making it particularly dangerous for exposed systems.

Critical Impact

This vulnerability enables unauthenticated remote attackers to access sensitive system information that can lead to privilege escalation without any user interaction required.

Affected Products

• Adobe Framemaker Publishing Server 2020 (including Update 1, Update 2, and Update 3)
• Adobe Framemaker Publishing Server 2022 (including Update 1 and Update 2)
• Adobe Framemaker Publishing Server versions earlier than the patched releases

Discovery Timeline

• June 13, 2024 - CVE-2024-30300 published to NVD
• November 21, 2024 - Last updated in NVD database

Technical Details for CVE-2024-30300

Vulnerability Analysis

This Information Exposure vulnerability in Adobe Framemaker Publishing Server allows unauthorized access to sensitive information that could facilitate privilege escalation attacks. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor), indicating that the application inadvertently reveals protected data to entities without proper authorization.

The attack can be executed remotely over the network without requiring any privileges or user interaction, making it highly exploitable in environments where Framemaker Publishing Server is accessible. Successful exploitation could expose critical system or user privilege information, which attackers could leverage to escalate their access within the affected environment.

Root Cause

The root cause of CVE-2024-30300 lies in improper information handling within Adobe Framemaker Publishing Server. The application fails to adequately protect sensitive information from unauthorized access, allowing external actors to retrieve data that should be restricted. This type of vulnerability typically occurs when applications expose internal data structures, configuration details, or privilege-related information through unprotected endpoints or responses.

Attack Vector

The vulnerability is exploitable via network-based attacks. An attacker with network access to the Adobe Framemaker Publishing Server can exploit this vulnerability without any authentication requirements and without needing to trick users into performing actions. The attack complexity is low, meaning standard exploitation techniques can be employed.

The exploitation process involves sending crafted requests to the vulnerable server, which responds by exposing sensitive information. This information can then be used to understand the system's privilege structure and potentially escalate access to higher-privileged accounts or system resources.

Detection Methods for CVE-2024-30300

Indicators of Compromise

• Unusual or unexpected queries targeting Framemaker Publishing Server endpoints that request system information
• Abnormal access patterns to the Framemaker Publishing Server from unknown or external IP addresses
• Log entries showing repeated requests attempting to enumerate user or system privilege information
• Evidence of follow-up privilege escalation attempts after initial reconnaissance activity

Detection Strategies

• Implement network intrusion detection rules to monitor for unusual traffic patterns to Framemaker Publishing Server instances
• Review web server and application logs for requests that may indicate information disclosure attempts
• Deploy endpoint detection and response (EDR) solutions to monitor for post-exploitation privilege escalation activity
• Utilize vulnerability scanners to identify unpatched instances of Adobe Framemaker Publishing Server in your environment

Monitoring Recommendations

• Enable detailed access logging on Adobe Framemaker Publishing Server instances
• Configure SIEM solutions to alert on anomalous access patterns targeting Framemaker Publishing Server
• Monitor for unauthorized privilege changes that may indicate successful exploitation
• Establish baseline behavior for Framemaker Publishing Server and alert on deviations

How to Mitigate CVE-2024-30300

Immediate Actions Required

• Apply the security patch referenced in Adobe Security Bulletin APSB24-38 immediately
• Restrict network access to Framemaker Publishing Server instances to authorized users and networks only
• Review access logs for any signs of exploitation attempts prior to patching
• Implement network segmentation to limit exposure of vulnerable systems

Patch Information

Adobe has released security updates to address this vulnerability. Administrators should apply the patches detailed in Adobe Security Bulletin APSB24-38. Organizations running Adobe Framemaker Publishing Server versions 2020.3, 2022.2, or earlier should prioritize updating to the latest patched versions.

Workarounds

• Implement strict network access controls to limit who can reach the Framemaker Publishing Server
• Deploy a web application firewall (WAF) to filter potentially malicious requests
• Monitor and audit all access to the server until patches can be applied
• Consider temporarily disabling internet-facing access to vulnerable instances if patching cannot be performed immediately

# Configuration example - Restrict network access using firewall rules
# Allow only specific trusted networks to access Framemaker Publishing Server
iptables -A INPUT -p tcp --dport 8080 -s 10.0.0.0/8 -j ACCEPT
iptables -A INPUT -p tcp --dport 8080 -j DROP