CVE-2011-3535 in Sun Products Suite
Summary
by MITRE
Unspecified vulnerability in the Solaris component in Oracle Sun Products Suite 8, 9, 10, and 11 Express allows remote attackers to affect availability via unknown vectors related to Remote Quota Server (rquotad).
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Analysis
by VulDB Data Team • 11/24/2021
The vulnerability identified as CVE-2011-3535 resides within the Solaris component of Oracle Sun Products Suite affecting versions 8, 9, 10, and 11 Express. This issue manifests as an unspecified weakness in the Remote Quota Server rquotad functionality which serves as a critical system service for managing disk quotas in networked environments. The Remote Quota Server operates as a daemon that allows clients to query disk usage information from remote systems, making it an integral part of Solaris network administration and storage management protocols.
The technical flaw within rquotad represents a potential availability risk that remote attackers can exploit through unspecified vectors related to the service's operation. While the exact nature of the vulnerability remains undocumented in the public CVE description, the classification as an availability-related issue suggests that exploitation could result in denial of service conditions that prevent legitimate users from accessing quota information or utilizing the affected system resources. This type of vulnerability typically stems from improper input validation, memory corruption issues, or insufficient error handling within the service's processing routines.
The operational impact of this vulnerability extends beyond simple service disruption as it affects the fundamental reliability of Solaris systems that rely on remote quota functionality. Network administrators depend on rquotad for monitoring storage usage across distributed environments, making this vulnerability particularly dangerous in enterprise settings where multiple systems coordinate storage management. When exploited, the vulnerability could lead to cascading failures in storage monitoring systems, potentially causing broader network disruptions and impacting business continuity operations that depend on accurate disk usage reporting.
Mitigation strategies for CVE-2011-3535 should focus on immediate patch application from Oracle, which would address the underlying flaw in the rquotad implementation. System administrators should also consider implementing network segmentation to limit access to rquotad services, as well as monitoring for unusual network traffic patterns that might indicate exploitation attempts. The vulnerability aligns with CWE-119 which addresses improper restriction of operations within a limited scope, and may relate to ATT&CK technique T1499.1 for endpoint denial of service attacks. Organizations should also implement network access controls and firewall rules to restrict rquotad service exposure, particularly in environments where the service is not essential for core operations, as this represents a fundamental security weakness in the Solaris network services architecture that requires immediate remediation to prevent potential exploitation.