CVE-2003-1074 in Solaris
Summary
by MITRE
Unknown vulnerability in newtask for Solaris 9 allows local users to gain root privileges.
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Analysis
by VulDB Data Team • 08/27/2019
The vulnerability identified as CVE-2003-1074 represents a critical privilege escalation flaw within the Solaris 9 operating system's newtask functionality. This issue resides in the kernel-level task management subsystem that handles process creation and scheduling operations. The vulnerability manifests when local users can exploit improper access controls or validation mechanisms within the newtask implementation, potentially enabling them to elevate their privileges to the root level without proper authentication. Such a flaw fundamentally compromises the system's security model and represents a serious breach of the principle of least privilege that governs secure operating system design.
The technical nature of this vulnerability stems from inadequate input validation and access control checks within the newtask system call handler. When processes are created or modified within the Solaris kernel, the newtask function performs critical security checks to ensure that only authorized entities can manipulate process attributes and scheduling parameters. The flaw likely involves insufficient validation of user-supplied parameters or improper handling of privilege levels during task creation operations. This allows malicious local users to craft specific inputs or manipulate system calls that should normally be restricted to privileged operations, effectively bypassing kernel security mechanisms that are designed to prevent unauthorized privilege escalation.
From an operational impact perspective, this vulnerability presents a severe threat to Solaris 9 systems as it enables local attackers to gain complete administrative control without requiring prior access credentials. The implications extend beyond simple privilege escalation since root access provides attackers with unrestricted capabilities including system modification, data exfiltration, and persistence mechanism deployment. The local nature of the exploit means that any user who can log into the system or execute code locally can potentially leverage this vulnerability, making it particularly dangerous in multi-user environments where users might have legitimate access to system resources. This vulnerability essentially undermines the fundamental security boundaries that separate user processes from privileged system operations.
Security mitigations for this vulnerability should prioritize immediate patch deployment from Oracle, as this represents a known and exploitable flaw in the Solaris 9 operating system. Organizations should implement comprehensive system monitoring to detect unauthorized privilege escalation attempts and establish robust access control policies that limit local user privileges where possible. The vulnerability aligns with CWE-284, which addresses improper access control issues, and reflects patterns commonly seen in privilege escalation vulnerabilities that leverage kernel-level implementation flaws. Additionally, this vulnerability may map to ATT&CK technique T1068, which covers privilege escalation through the exploitation of system vulnerabilities, emphasizing the need for layered security approaches including regular security assessments, privileged access management, and system hardening procedures to prevent exploitation of such kernel-level weaknesses.