CVE-2005-1678 in Workspace
Summary
by MITRE
Groove Virtual Office before 3.1 build 2338, before 3.1a build 2364, and Groove Workspace before 2.5n build 1871 does not properly display file extensions on attached or embedded files in a compound document, which may allow remote attackers to trick users into executing malicious code.
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Analysis
by VulDB Data Team • 07/18/2024
The vulnerability described in CVE-2005-1678 affects Groove Virtual Office and Groove Workspace software versions prior to specific build numbers, creating a critical security flaw in file handling mechanisms. This issue resides in the compound document processing functionality where the software fails to properly display file extensions for attached or embedded files, creating an environment ripe for social engineering attacks. The vulnerability specifically impacts how the software renders file information within compound documents, potentially allowing attackers to disguise malicious file types as benign ones through deceptive file extension manipulation.
This technical flaw represents a classic case of insufficient input validation and user interface security design, classified under CWE-693 which deals with Protection Mechanism Failure. The vulnerability operates by exploiting the trust users place in file extensions displayed within the application interface, where attackers can embed malicious executables with extensions that appear legitimate such as .doc or .xls while actually containing malicious payloads. The flaw essentially creates a false sense of security in the user interface by not properly sanitizing or displaying file extension information, allowing attackers to bypass user awareness mechanisms that would normally alert them to potentially dangerous file types.
The operational impact of this vulnerability extends beyond simple deception, creating a pathway for sophisticated attack chains that can result in complete system compromise. Attackers can craft compound documents that appear to contain harmless office documents while actually embedding malicious executables that execute when users attempt to open or interact with the embedded content. This vulnerability aligns with ATT&CK technique T1204.002 which involves user execution of malicious content through social engineering, and T1059 which covers command and scripting interpreter usage. The attack vector leverages the trust model inherent in office productivity software where users routinely open documents without verifying underlying file types, making this a particularly dangerous vulnerability for enterprise environments.
Mitigation strategies for this vulnerability should focus on immediate software updates to versions that properly implement file extension validation and display mechanisms. Organizations should implement strict file handling policies that prohibit opening documents from untrusted sources and establish comprehensive user awareness training programs that emphasize the dangers of opening unexpected file types. Additionally, network-level controls such as email filtering and web proxies should be configured to block or quarantine suspicious compound documents. The fix should ensure that all file extensions within compound documents are properly validated and displayed to users, implementing proper content type detection and extension verification mechanisms. System administrators should also consider implementing application whitelisting policies that restrict which applications can be executed from compound document contexts, providing multiple layers of defense against exploitation attempts.