CVE-2006-6299 in ZENworks Asset Management
Summary
by MITRE
Integer overflow in Msg.dll in Novell ZENworks 7 Asset Management (ZAM) before SP1 IR11 and the Collection client allows remote attackers to execute arbitrary code via crafted packets, which trigger a heap-based buffer overflow.
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Analysis
by VulDB Data Team • 07/12/2019
The vulnerability identified as CVE-2006-6299 represents a critical security flaw in Novell ZENworks 7 Asset Management software that stems from an integer overflow condition within the Msg.dll component. This flaw affects versions prior to Service Pack 1 Incremental Release 11 of the ZENworks 7 Asset Management platform and its associated Collection client. The vulnerability operates at the core of network communication protocols where malformed packet data can be processed without proper input validation, creating a dangerous pathway for malicious actors to exploit. The integer overflow occurs during the handling of network packets that are sent to the affected system, where the software fails to properly validate the size parameters of incoming data structures.
The technical implementation of this vulnerability involves a heap-based buffer overflow condition that arises when the Msg.dll library processes crafted network packets. When an attacker sends specially constructed packets to a vulnerable ZENworks 7 Asset Management server or Collection client, the integer overflow causes the application to allocate insufficient memory for buffer operations. This miscalculation results in memory corruption that can be leveraged to overwrite critical memory locations, ultimately allowing for arbitrary code execution. The flaw demonstrates characteristics consistent with CWE-190, which describes integer overflow conditions that can lead to buffer overflows, and aligns with ATT&CK technique T1059.007 for command and scripting interpreter execution through network-based attacks. The heap corruption specifically targets memory management functions within the application's runtime environment, creating opportunities for attackers to inject and execute malicious code with the privileges of the affected service.
The operational impact of this vulnerability extends beyond simple remote code execution, as it provides attackers with a pathway to compromise entire asset management infrastructures. Organizations relying on ZENworks 7 Asset Management for inventory tracking, software deployment, and system monitoring face significant risk when systems remain unpatched, as the vulnerability can be exploited without authentication. The attack surface includes any system running the vulnerable software that accepts network connections from untrusted sources, potentially affecting both server components and client installations. Security teams must consider that exploitation could lead to complete system compromise, data exfiltration, and disruption of asset management operations. The vulnerability's remote exploitability means that attackers can target systems from outside the organization's network perimeter, making it particularly dangerous for organizations with exposed management interfaces or those that do not properly segment their network environments. This flaw directly impacts the integrity and availability of asset management data, potentially allowing attackers to modify or delete critical inventory information while simultaneously gaining persistent access to target systems.
Mitigation strategies for CVE-2006-6299 should focus on immediate patch deployment and network segmentation measures to protect vulnerable systems. Organizations must prioritize updating to Novell ZENworks 7 Asset Management Service Pack 1 Incremental Release 11 or later versions that contain the necessary fixes for the integer overflow vulnerability. Network administrators should implement firewall rules to restrict access to ZENworks management ports and services, particularly when these systems are exposed to untrusted networks. Additionally, implementing network monitoring solutions that can detect anomalous packet patterns and malformed network traffic can help identify potential exploitation attempts. The vulnerability's characteristics make it particularly susceptible to automated exploitation, so organizations should also consider implementing intrusion detection systems with signatures specific to this CVE. Regular security assessments and vulnerability scanning should be conducted to ensure that no other components within the ZENworks environment remain vulnerable, as this flaw could potentially interact with other security weaknesses in the broader system architecture. The remediation process should also include verification that all Collection client installations have been updated, as the vulnerability affects both server and client components of the ZENworks 7 Asset Management platform.