CVE-2008-0621 in SAPSprint
Summary
by MITRE
Buffer overflow in SAPLPD 6.28 and earlier included in SAP GUI 7.10 and SAPSprint before 1018 allows remote attackers to execute arbitrary code via long arguments to the (1) 0x01, (2) 0x02, (3) 0x03, (4) 0x04, and (5) 0x05 LPD commands.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 10/16/2024
The vulnerability identified as CVE-2008-0621 represents a critical buffer overflow flaw affecting SAPLPD versions 6.28 and earlier, which are integral components of SAP GUI 7.10 and SAPSprint prior to version 1018. This vulnerability resides within the Line Printer Daemon (LPD) implementation that processes print job commands, specifically targeting the handling of argument strings passed to five distinct LPD commands identified by hexadecimal values 0x01 through 0x05. The flaw occurs when these commands receive excessively long argument inputs, causing memory buffer boundaries to be exceeded and potentially allowing malicious data to overwrite adjacent memory locations.
The technical nature of this vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions where insufficient bounds checking allows attackers to write past the end of allocated buffer space. The affected SAPLPD service operates as a network daemon listening for incoming print requests, making it susceptible to remote exploitation without requiring authentication. When an attacker sends specially crafted long arguments to any of the five targeted LPD commands, the application fails to validate input length before copying data into fixed-size buffers, resulting in memory corruption that can be leveraged to execute arbitrary code with the privileges of the affected service.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with potential access to sensitive enterprise data and system resources within SAP environments. The remote attack vector means that adversaries can exploit this flaw from outside the corporate network without requiring physical access or prior system compromise, making it particularly dangerous for organizations running SAP systems. The vulnerability affects organizations using legacy SAP GUI versions that have not been updated to newer releases containing patches for this specific buffer overflow condition.
Organizations should prioritize immediate mitigation through official SAP security patches and updates to SAP GUI 7.10 and SAPSprint versions, ensuring that all affected systems receive the necessary updates to address the buffer overflow in SAPLPD. Network segmentation and access controls should be implemented to limit exposure of SAP services to untrusted networks, while monitoring systems should be configured to detect unusual LPD command patterns. Additionally, implementing proper input validation measures and conducting regular security assessments of SAP environments will help reduce the risk of exploitation. The vulnerability demonstrates the importance of maintaining current SAP software versions and following SAP's security advisory practices to prevent similar issues from compromising enterprise print services and potentially broader system integrity.