CVE-2008-2089 in Solaris
Summary
by MITRE
Unspecified vulnerability in the SCTP protocol implementation in Sun Solaris 10 allows remote attackers to cause a denial of service (panic) via a crafted SCTP packet.
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Analysis
by VulDB Data Team • 08/09/2019
The vulnerability identified as CVE-2008-2089 represents a critical flaw in the Stream Control Transmission Protocol implementation within Sun Solaris 10 operating systems. This issue manifests as an unspecified weakness that can be exploited by remote attackers to trigger a system panic, effectively causing a denial of service condition that renders the affected system non-operational. The SCTP protocol is commonly used for signaling in telecommunications networks and other critical infrastructure applications where reliable data transmission is essential. The vulnerability specifically affects the kernel-level implementation of SCTP processing, making it particularly dangerous as it operates at the core of the operating system's network stack.
The technical nature of this vulnerability stems from inadequate input validation and error handling within the SCTP protocol parser. When a specially crafted SCTP packet is received by a vulnerable Solaris 10 system, the kernel fails to properly process the malformed data structure, leading to a kernel panic condition. This type of flaw falls under CWE-129, which addresses improper validation of input ranges, and potentially CWE-125, concerning out-of-bounds read conditions. The vulnerability is classified as a remote attack vector since attackers can exploit this weakness without requiring local access or authentication, making it particularly dangerous in networked environments. According to the ATT&CK framework, this vulnerability maps to T1499.004, which covers network denial of service attacks, and represents a significant threat to system availability and operational continuity.
The operational impact of CVE-2008-2089 extends beyond simple service disruption, as it can compromise the reliability of critical network infrastructure that depends on Solaris 10 systems. Organizations utilizing this operating system for telecommunications services, network equipment management, or other mission-critical applications face substantial risk from this vulnerability. The panic condition can result in complete system crashes requiring manual intervention and system reboot, potentially causing extended downtime for network services. The vulnerability affects systems that implement SCTP for various network protocols including signaling system no. 7, multimedia streaming, and other telecommunications applications where SCTP provides reliable message delivery. The lack of specific details in the vulnerability description suggests that the flaw may involve memory corruption or buffer overflow conditions that are particularly difficult to predict and prevent without comprehensive input validation.
Mitigation strategies for this vulnerability primarily involve applying the appropriate security patches and updates provided by Oracle for Solaris 10 systems. Organizations should prioritize patch management and ensure that all systems running affected versions of Solaris 10 are updated promptly. Network segmentation and firewall rules can provide temporary protection by blocking SCTP traffic where it is not essential for operations. Additionally, implementing intrusion detection systems that can monitor for malformed SCTP packets may help identify exploitation attempts. The vulnerability highlights the importance of maintaining up-to-date security patches and demonstrates how kernel-level flaws in network protocols can create widespread availability issues across enterprise networks. System administrators should also consider implementing monitoring solutions that can detect system panics and automatically trigger alerting mechanisms to facilitate rapid response to potential exploitation attempts.