CVE-2008-4389 in AppStream
Summary
by MITRE
Symantec AppStream 5.2.x and Symantec Workspace Streaming (SWS) 6.1.x before 6.1 SP4 do not properly perform authentication, which allows remote Workspace Streaming servers and man-in-the-middle attackers to download arbitrary executable files onto a client system, and execute these files, via unspecified vectors.
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Analysis
by VulDB Data Team • 11/29/2024
The vulnerability identified as CVE-2008-4389 represents a critical authentication flaw in Symantec's AppStream 5.2.x and Workspace Streaming 6.1.x software versions prior to 6.1 SP4. This weakness stems from insufficient verification mechanisms during the authentication process, creating a pathway for malicious actors to compromise client systems through remote exploitation. The vulnerability affects Symantec's streaming technology solutions that deliver applications and files to client endpoints, fundamentally undermining the security posture of organizations relying on these platforms for application delivery and management.
The technical implementation of this vulnerability exploits the inadequate authentication mechanisms within the Symantec Workspace Streaming architecture, allowing unauthorized entities to establish connections with Workspace Streaming servers without proper verification. Attackers can leverage this flaw to inject and execute arbitrary executable files on client systems, effectively bypassing the intended security controls that should prevent unauthorized code execution. The unspecified vectors suggest that multiple attack pathways may exist, potentially including network-based exploitation, server-side manipulation, or client-side deception techniques that exploit the weak authentication framework.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it enables complete code execution on compromised client systems. Remote attackers can download malicious payloads directly to client machines and execute them without user interaction or system administrator intervention, creating a persistent threat vector that can be exploited repeatedly. This vulnerability essentially transforms the streaming platform from a controlled delivery mechanism into an attack surface that can be leveraged for malware deployment, data exfiltration, or further network infiltration. The implications are particularly severe for enterprise environments where these streaming solutions are used to deliver applications to distributed workforces, as it could enable attackers to compromise multiple endpoints simultaneously.
Organizations should immediately implement mitigation strategies including applying the available patches for Symantec Workspace Streaming 6.1 SP4 and ensuring all affected systems are updated to the latest supported versions. Network segmentation and monitoring should be enhanced to detect unauthorized streaming server connections and suspicious file transfer activities. The vulnerability aligns with CWE-287, which addresses improper authentication issues, and maps to ATT&CK technique T1059 for command and scripting interpreter, as attackers can execute malicious code through the compromised streaming channels. Additional protective measures should include implementing network access controls, conducting regular security assessments of streaming infrastructure, and establishing robust endpoint detection and response capabilities to monitor for unauthorized code execution attempts.