Symantec Diagnostic Tool Vulnerability Let Attackers Escalate Privileges
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Symantec, a division of Broadcom, has addressed a critical security flaw (CVE-2025-0893) in its Diagnostic Tool (SymDiag) that could allow attackers to escalate privileges on affected systems.
The vulnerability, which impacted SymDiag versions prior to 3.0.79, received a CVSSv3 score of 7.8 (High severity) due to its potential to compromise confidentiality, integrity, and availability through local exploitation.
The vulnerability arises from improper privilege management in SymDiag, a utility designed for troubleshooting Symantec products like the Web Security Service (WSS) Agent.
Attackers with low-privileged access could exploit this flaw to execute arbitrary code with elevated permissions, effectively bypassing security controls.
The issue specifically affects systems where SymDiag interacts with the WSS Agent, a component of Symantec’s Secure Web Gateway (SWG) solutions used for traffic redirection and cloud security enforcement.
According to Broadcom’s advisory, the flaw resides in how SymDiag handles process elevation during diagnostic data collection.
Successful exploitation could enable unauthorized access to sensitive system resources, modification of security configurations, or disruption of endpoint protection services.
While no public exploits have been documented, the combination of SymDiag’s diagnostic capabilities and the WSS Agent’s network-level permissions creates a high-risk scenario if left unpatched.
Mitigation and Patch Deployment
Symantec has resolved the issue in SymDiag 3.0.79, which was automatically deployed to all affected endpoints via the Symantec Endpoint Protection Manager (SEPM).
The update removes older vulnerable versions of SymDiag, ensuring no manual intervention is required for enterprise clients using managed deployments.
For standalone installations, users are advised to verify their SymDiag version through the tool’s interface or command-line utilities.
While the patch mitigates the immediate risk, Broadcom emphasizes broader hardening measures:
CVE-2025-0893 represents a targeted but severe risk to organizations using SymDiag in conjunction with Symantec’s WSS Agent.
The swift patch deployment demonstrates Broadcom’s commitment to its Zero Trust roadmap, though administrators should audit legacy systems for potential residual vulnerabilities.
As cloud security tools increasingly handle decrypted traffic and privileged operations, vendors must balance diagnostic capabilities with strict access controls to prevent lateral movement in breach scenarios.
#Cyber_Security #Cyber_Security_News #Vulnerability #cyber_security #cyber_security_news
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Symantec Diagnostic Tool Vulnerability Let Attackers Escalate Privileges
Author: KaaviyaSymantec, a division of Broadcom, has addressed a critical security flaw (CVE-2025-0893) in its Diagnostic Tool (SymDiag) that could allow attackers to escalate privileges on affected systems.
The vulnerability, which impacted SymDiag versions prior to 3.0.79, received a CVSSv3 score of 7.8 (High severity) due to its potential to compromise confidentiality, integrity, and availability through local exploitation.
The vulnerability arises from improper privilege management in SymDiag, a utility designed for troubleshooting Symantec products like the Web Security Service (WSS) Agent.
Attackers with low-privileged access could exploit this flaw to execute arbitrary code with elevated permissions, effectively bypassing security controls.
The issue specifically affects systems where SymDiag interacts with the WSS Agent, a component of Symantec’s Secure Web Gateway (SWG) solutions used for traffic redirection and cloud security enforcement.
According to Broadcom’s advisory, the flaw resides in how SymDiag handles process elevation during diagnostic data collection.
Successful exploitation could enable unauthorized access to sensitive system resources, modification of security configurations, or disruption of endpoint protection services.
While no public exploits have been documented, the combination of SymDiag’s diagnostic capabilities and the WSS Agent’s network-level permissions creates a high-risk scenario if left unpatched.
Mitigation and Patch Deployment
Symantec has resolved the issue in SymDiag 3.0.79, which was automatically deployed to all affected endpoints via the Symantec Endpoint Protection Manager (SEPM).
The update removes older vulnerable versions of SymDiag, ensuring no manual intervention is required for enterprise clients using managed deployments.
For standalone installations, users are advised to verify their SymDiag version through the tool’s interface or command-line utilities.
While the patch mitigates the immediate risk, Broadcom emphasizes broader hardening measures:
- Principle of Least Privilege: Restrict administrative access to authorized personnel and enforce role-based access controls (RBAC) for endpoint management tools.
- Network Segmentation: Isolate management interfaces and limit remote access to trusted IP ranges.
- Defense-in-Depth: Deploy intrusion detection systems (IDS) and endpoint detection and response (EDR) tools to monitor for anomalous activity, particularly in environments using legacy WSS Agent configurations.
CVE-2025-0893 represents a targeted but severe risk to organizations using SymDiag in conjunction with Symantec’s WSS Agent.
The swift patch deployment demonstrates Broadcom’s commitment to its Zero Trust roadmap, though administrators should audit legacy systems for potential residual vulnerabilities.
As cloud security tools increasingly handle decrypted traffic and privileged operations, vendors must balance diagnostic capabilities with strict access controls to prevent lateral movement in breach scenarios.
#Cyber_Security #Cyber_Security_News #Vulnerability #cyber_security #cyber_security_news
Оригинальная версия на сайте:
