CVE-2011-1708 in iPrint
Summary
by MITRE
Stack-based buffer overflow in nipplib.dll in Novell iPrint Client before 5.64 allows remote attackers to execute arbitrary code via a crafted op-printer-list-all-jobs cookie.
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Analysis
by VulDB Data Team • 05/15/2025
The vulnerability identified as CVE-2011-1708 represents a critical stack-based buffer overflow flaw within the nipplib.dll library of Novell iPrint Client software. This vulnerability specifically affects versions prior to 5.64 and exposes the system to remote code execution attacks through manipulation of a crafted cookie parameter. The flaw resides in the handling of op-printer-list-all-jobs cookie values, which are processed during network communication with iPrint servers. When an attacker crafts a malicious cookie containing excessive data, the buffer overflow occurs in the stack memory allocation, potentially allowing arbitrary code execution on the target system with the privileges of the affected application.
The technical nature of this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent stack memory locations. This type of vulnerability falls under the category of memory corruption flaws that can be exploited to gain control over program execution flow. The attack vector requires network connectivity and involves sending specially crafted cookie data to the vulnerable iPrint client component. The exploitation process typically involves overwriting return addresses or other critical stack variables to redirect execution to malicious payload code injected by the attacker.
The operational impact of this vulnerability extends beyond simple remote code execution, as it can enable attackers to establish persistent access to affected systems and potentially escalate privileges within network environments. Organizations using Novell iPrint Client software are particularly vulnerable since the flaw exists in widely deployed client components that communicate with iPrint print servers. The vulnerability affects systems where iPrint client software is installed and actively communicating with network print servers, making it a significant concern for enterprise environments where print management services are prevalent. Attackers could leverage this vulnerability to gain unauthorized access to sensitive network resources, potentially leading to data breaches or further lateral movement within the network infrastructure.
Mitigation strategies for CVE-2011-1708 primarily focus on immediate software updates and patches provided by Novell to address the buffer overflow in nipplib.dll. Organizations should prioritize deployment of Novell iPrint Client version 5.64 or later, which contains the necessary fixes for this vulnerability. Network segmentation and firewall rules can provide additional defense-in-depth measures by limiting access to iPrint server communication ports and restricting unnecessary network traffic. Security monitoring should include detection of anomalous cookie values and unusual network communication patterns that might indicate exploitation attempts. The vulnerability also relates to ATT&CK technique T1059.007 for command and scripting interpreter, as successful exploitation would likely involve execution of malicious code through compromised client systems. Additionally, implementing proper input validation and bounds checking mechanisms in network applications can prevent similar vulnerabilities from occurring in other software components. Regular vulnerability assessments and security audits of print management systems are essential to identify and remediate similar flaws that could compromise network security posture.