CVE-2008-0755 in Cyanprintip Professional
Summary
by MITRE
Format string vulnerability in the ReportSysLogEvent function in the LPD server in cyan soft Opium OPI Server 4.10.1028 and earlier; cyanPrintIP Easy OPI, Professional, and Basic 4.10.1030 and earlier; Workstation 4.10.836 and earlier; and Standard 4.10.940 and earlier; might allow remote attackers to execute arbitrary code via format string specifiers in the queue name in a request.
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Analysis
by VulDB Data Team • 01/13/2025
The vulnerability identified as CVE-2008-0755 represents a critical format string vulnerability within the LPD server component of several cyan soft Opium OPI server products. This flaw exists specifically in the ReportSysLogEvent function which handles logging of system events. The vulnerability affects multiple product variants including Opium OPI Server 4.10.1028 and earlier versions, cyanPrintIP Easy OPI in various editions, Workstation 4.10.836 and earlier, and Standard 4.10.940 and earlier versions. The vulnerability arises from improper input validation and handling of user-supplied data within the logging mechanism, creating a pathway for malicious exploitation.
The technical flaw manifests when an attacker crafts a specially formatted queue name in an LPD request that contains format string specifiers such as %s, %d, or %x. These specifiers are typically used in programming languages like C to control how data is formatted for output. However, when the vulnerable function processes these specifiers without proper sanitization, they can be interpreted by the program as commands rather than literal text. This allows an attacker to manipulate the program's execution flow, potentially leading to arbitrary code execution on the affected system.
The operational impact of this vulnerability is severe as it enables remote code execution, making it particularly dangerous in networked environments where these servers are accessible to unauthenticated users. An attacker could leverage this vulnerability to gain full control over the affected system, potentially escalating privileges, installing malware, or using the compromised system as a launch point for further attacks within the network infrastructure. The vulnerability affects systems running the affected cyan soft Opium server products, which are commonly used in enterprise environments for print management and network services.
This vulnerability maps directly to CWE-134, which describes the weakness of using user-supplied data to construct format strings. The ATT&CK framework categorizes this as part of the Execution and Privilege Escalation phases, where adversaries can leverage such vulnerabilities to run arbitrary code. The vulnerability's remote nature means it can be exploited without requiring local access, making it particularly dangerous for network services. Organizations should consider implementing network segmentation, firewall rules to restrict access to these services, and immediate patching of affected systems to mitigate the risk. The vulnerability highlights the critical importance of input validation and proper string handling in server applications, especially those processing untrusted data from network requests.