CVE-2008-1701 in iPrint
Summary
by MITRE
Novell NetWare 6.5 allows attackers to cause a denial of service (ABEND) via a crafted Macintosh iPrint client request.
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Analysis
by VulDB Data Team • 09/22/2018
The vulnerability identified as CVE-2008-1701 represents a critical denial of service weakness in Novell NetWare 6.5 operating system that specifically targets the Macintosh iPrint client functionality. This issue stems from inadequate input validation and error handling mechanisms within the print service component that processes requests from Macintosh clients. The flaw manifests when a specially crafted iPrint client request is transmitted to the NetWare server, triggering an abnormal program termination that results in system abend and complete service disruption. The vulnerability specifically affects the print subsystem of NetWare 6.5, which serves as a critical component for networked printing operations in enterprise environments where Novell's directory services and file sharing capabilities are deployed.
The technical exploitation of this vulnerability occurs through the manipulation of specific parameters within the iPrint client request protocol that the NetWare server processes. When the server receives a malformed or specially constructed request, it fails to properly validate the incoming data structure, leading to a buffer overflow or stack corruption scenario that causes the print service process to crash. This type of vulnerability falls under CWE-121, which encompasses buffer overflow conditions, and more specifically aligns with CWE-125, representing out-of-bounds read vulnerabilities that can lead to system instability. The root cause lies in the absence of proper bounds checking and input sanitization within the network protocol handler, creating an exploitable condition where attacker-controlled data can directly influence program execution flow.
The operational impact of CVE-2008-1701 extends beyond simple service disruption to potentially compromise the overall availability and reliability of enterprise printing infrastructure. Organizations relying on Novell NetWare 6.5 for their network operations face significant risk of unauthorized denial of service attacks that can halt printing operations across entire departments or facilities. The vulnerability can be exploited remotely without requiring authentication, making it particularly dangerous in networked environments where the print service is accessible to untrusted users or network entities. According to ATT&CK framework, this vulnerability maps to T1499.004, which covers network denial of service attacks, and T1566.002, representing spearphishing with social engineering techniques that could be used to deliver malicious iPrint requests. The attack vector typically involves sending malformed print requests through the standard iPrint protocol, which can be accomplished from any network location where the service is exposed.
Mitigation strategies for this vulnerability require immediate implementation of network segmentation and access control measures to restrict exposure of the affected NetWare print services. Organizations should implement firewall rules that limit access to the iPrint service ports to trusted network segments only, while also applying the official Novell patches and updates that address the specific buffer overflow conditions within the print service handler. System administrators should consider disabling the Macintosh iPrint client functionality if it is not essential to business operations, as this provides an immediate defense against exploitation. Additionally, network monitoring solutions should be configured to detect anomalous print request patterns that may indicate attempted exploitation, providing early warning capabilities for potential attacks. The vulnerability also highlights the importance of regular security assessments and vulnerability management processes, as similar conditions may exist in other legacy network services that have not been properly updated or patched.