CVE-2013-0804 in GroupWise Client
Summary
by MITRE
The client in Novell GroupWise 8.0 before 8.0.3 HP2 and 2012 before SP1 HP1 allows remote attackers to execute arbitrary code or cause a denial of service (incorrect pointer dereference) via unspecified vectors.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 12/28/2024
The vulnerability identified as CVE-2013-0804 represents a critical security flaw within Novell GroupWise messaging software that affects versions prior to specific patches. This issue manifests as an incorrect pointer dereference that can be exploited by remote attackers to gain unauthorized code execution privileges or disrupt service availability. The vulnerability resides within the client component of GroupWise 8.0 and 2012 versions, making it particularly concerning for organizations relying on these messaging platforms for business communications.
The technical nature of this vulnerability falls under the category of memory corruption issues, specifically incorrect pointer dereference patterns that can lead to unpredictable behavior in the affected software. This type of flaw typically occurs when the application attempts to access memory locations that have not been properly allocated or have already been freed, creating opportunities for malicious actors to manipulate program execution flow. The vulnerability's classification aligns with CWE-476 which specifically addresses NULL pointer dereference conditions that can result in application crashes or arbitrary code execution.
From an operational impact perspective, this vulnerability presents significant risks to enterprise environments where GroupWise clients are deployed. Remote code execution capabilities could enable attackers to compromise user systems, potentially leading to data breaches, privilege escalation, or complete system takeover. The denial of service component adds additional risk as attackers could disrupt critical communication services, impacting business operations and productivity. Organizations utilizing GroupWise for email and collaboration services face potential exposure to these threats, particularly in environments where network segmentation is inadequate.
The exploitation of this vulnerability requires remote access capabilities and typically involves crafting malicious payloads that trigger the incorrect pointer dereference during normal client operation. Attackers may leverage various attack vectors including malformed email attachments, malicious web content, or specially crafted GroupWise messages that, when processed by the vulnerable client, cause the memory corruption. This vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing robust security monitoring procedures to detect potential exploitation attempts.
Security mitigation strategies should prioritize immediate patch deployment for all affected GroupWise client versions, with particular attention to the specific hotfixes mentioned in the vulnerability description. Organizations should implement network segmentation controls to limit exposure of GroupWise clients to untrusted networks and consider disabling unnecessary client features that might contribute to the attack surface. Additionally, security monitoring should be enhanced to detect unusual client behavior patterns that might indicate exploitation attempts, while regular security assessments should verify the effectiveness of implemented controls. The remediation process should include comprehensive testing of patches in controlled environments before widespread deployment to ensure compatibility with existing GroupWise configurations and user workflows.