CVE-2024-30299: Adobe FrameMaker Privilege Escalation Flaw

CVE-2024-30299 Overview

Adobe Framemaker Publishing Server versions 2020.3, 2022.2 and earlier are affected by an Improper Authentication vulnerability (CWE-287) that could result in privilege escalation. An attacker could exploit this vulnerability to gain unauthorized access or elevated privileges within the application. This vulnerability is particularly concerning as exploitation does not require user interaction, allowing attackers to compromise systems without any action from legitimate users.

Critical Impact

This improper authentication vulnerability enables attackers to bypass authentication mechanisms and escalate privileges within Adobe Framemaker Publishing Server, potentially gaining full administrative access to the publishing infrastructure without requiring user interaction.

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)
• All earlier versions of Adobe Framemaker Publishing Server

Discovery Timeline

• 2024-06-13 - CVE-2024-30299 published to NVD
• 2024-11-21 - Last updated in NVD database

Technical Details for CVE-2024-30299

Vulnerability Analysis

This vulnerability stems from an Improper Authentication weakness (CWE-287) in Adobe Framemaker Publishing Server. The flaw allows attackers to circumvent the application's authentication controls, potentially gaining unauthorized access to protected functionality or elevating their privileges within the system. The attack can be executed remotely over the network with low complexity, requires no privileges, and critically needs no user interaction to succeed.

The impact of successful exploitation is severe across all security dimensions. Attackers can potentially gain complete access to confidential data managed by the publishing server, modify or manipulate published content and system configurations, and disrupt the availability of the publishing infrastructure.

Root Cause

The vulnerability is classified under CWE-287 (Improper Authentication), indicating that the authentication mechanism in Adobe Framemaker Publishing Server fails to properly verify user identity or credentials. This type of weakness typically occurs when authentication logic contains flaws that allow bypass, when session management is improperly implemented, or when credential validation can be circumvented through malformed requests or unexpected input.

Attack Vector

The attack vector for CVE-2024-30299 is network-based, meaning an attacker can exploit this vulnerability remotely without requiring local access to the target system. The exploitation characteristics include:

• Remote Exploitation: Attackers can target vulnerable instances over the network
• No Authentication Required: The vulnerability can be exploited without valid credentials
• Zero User Interaction: Exploitation succeeds without requiring any action from legitimate users
• Low Complexity: The attack does not require sophisticated techniques or specialized conditions

Due to the sensitive nature of authentication bypass vulnerabilities and no verified proof-of-concept code being available, technical exploitation details are not provided. Organizations should consult the Adobe Security Advisory APSB24-38 for authoritative technical guidance.

Detection Methods for CVE-2024-30299

Indicators of Compromise

• Unusual authentication patterns or login attempts to Framemaker Publishing Server from unexpected IP addresses or geographic locations
• Evidence of privilege escalation activities, such as non-administrative users accessing administrative functions
• Unexpected changes to published content, system configurations, or user permissions
• Authentication logs showing successful access without corresponding valid credential submissions

Detection Strategies

• Implement monitoring for anomalous authentication events in Framemaker Publishing Server logs, particularly focusing on authentication bypass patterns
• Deploy network intrusion detection rules to identify exploitation attempts targeting authentication endpoints
• Enable comprehensive audit logging for all authentication and authorization events within the publishing server
• Utilize SentinelOne's behavioral AI to detect post-exploitation activities associated with privilege escalation

Monitoring Recommendations

• Continuously monitor Framemaker Publishing Server access logs for authentication anomalies and unauthorized privilege changes
• Establish baseline authentication patterns and alert on deviations that may indicate exploitation attempts
• Implement real-time alerting for administrative actions performed by newly authenticated or unexpected user accounts
• Monitor network traffic to and from the publishing server for unusual patterns or connections to known malicious infrastructure

How to Mitigate CVE-2024-30299

Immediate Actions Required

• Immediately update Adobe Framemaker Publishing Server to the latest patched version as specified in Adobe's security bulletin
• If immediate patching is not possible, consider temporarily isolating the Framemaker Publishing Server from untrusted network segments
• Review authentication logs for signs of prior exploitation and investigate any suspicious activities
• Ensure network-level access controls are in place to limit exposure of the publishing server to trusted networks only

Patch Information

Adobe has released a security update to address this vulnerability. Organizations running affected versions should apply the patch immediately. Detailed patch information and download links are available in the Adobe Security Advisory APSB24-38. Given the critical severity and the absence of required user interaction for exploitation, patching should be treated as a high priority.

Workarounds

• Restrict network access to Adobe Framemaker Publishing Server to trusted IP ranges using firewall rules or network segmentation
• Implement additional authentication layers such as VPN requirements or multi-factor authentication for accessing the publishing server
• Deploy a web application firewall (WAF) in front of the publishing server to detect and block exploitation attempts
• Enable enhanced logging and monitoring to detect potential exploitation while awaiting patch deployment

# Network access restriction example using iptables
# Limit access to Framemaker Publishing Server to trusted networks only
iptables -A INPUT -p tcp --dport 443 -s <trusted_network_cidr> -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP