CVE-2003-1064 in Solaris
Summary
by MITRE
Solaris 8 with IPv6 enabled allows remote attackers to cause a denial of service (kernel panic) via a crafted IPv6 packet.
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Analysis
by VulDB Data Team • 01/22/2025
The vulnerability described in CVE-2003-1064 represents a critical kernel-level flaw in Solaris 8 operating systems when IPv6 functionality is enabled. This issue stems from inadequate input validation within the IPv6 protocol implementation, specifically in how the kernel processes malformed or crafted IPv6 packets. The vulnerability exists in the network stack's handling of IPv6 headers and associated data structures, creating a condition where maliciously constructed packets can trigger unexpected behavior in the kernel's memory management and packet processing routines. When such malformed packets are received by a vulnerable Solaris 8 system, the kernel's response mechanism fails catastrophically, leading to an immediate system crash and subsequent kernel panic.
The technical nature of this vulnerability aligns with CWE-125, which describes out-of-bounds read conditions in kernel space, and CWE-129, which covers insufficient validation of array indices. The flaw operates at the network protocol layer where IPv6 packets are processed, making it particularly dangerous as it can be exploited remotely without requiring any authentication or privileged access. Attackers can craft specific IPv6 packets with malformed headers, incorrect length fields, or invalid option structures that cause the kernel to attempt operations on invalid memory addresses or corrupted data structures. This results in a complete system halt where the kernel panics and requires manual intervention or system reboot to restore normal operation, effectively creating a denial of service condition that can be exploited by anyone with network access to the target system.
The operational impact of CVE-2003-1064 extends beyond simple service disruption, as it represents a fundamental stability issue that can compromise the availability of critical network infrastructure. Organizations running Solaris 8 systems with IPv6 enabled face significant risk of unauthorized denial of service attacks that can bring down network services, database servers, or application systems. The vulnerability's remote exploitability means that attackers do not need physical access to the system or network proximity to cause damage, making it particularly attractive for malicious actors seeking to disrupt services. From an attack framework perspective, this vulnerability maps to ATT&CK technique T1499.004, which involves network denial of service attacks, and T1562.001, which covers disabling or stopping services. The impact is particularly severe for systems that rely on continuous availability, such as financial services, telecommunications infrastructure, or critical government networks where service interruption can have substantial business and security implications.
Mitigation strategies for CVE-2003-1064 should prioritize immediate patch application from Oracle, which addressed the vulnerability through kernel updates and protocol stack modifications. Organizations should disable IPv6 functionality on Solaris 8 systems until proper patches are applied, as this effectively eliminates the attack surface. Network segmentation and firewall rules can be implemented to restrict IPv6 traffic to only trusted sources, though this provides only partial protection. System monitoring should be enhanced to detect unusual network traffic patterns that might indicate exploitation attempts. The vulnerability highlights the importance of maintaining up-to-date security patches and the risks associated with running legacy operating systems that may not receive ongoing security support. Additionally, organizations should conduct regular vulnerability assessments to identify other potential kernel-level vulnerabilities that could present similar risks, particularly in older operating system versions that may contain unpatched network stack implementations.