CVE-2005-0769 in OpenSLP
Summary
by MITRE
Multiple buffer overflows in OpenSLP before 1.1.5 allow remote attackers to have an unknown impact via malformed SLP packets.
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Analysis
by VulDB Data Team • 09/29/2018
The vulnerability identified as CVE-2005-0769 represents a critical security flaw in OpenSLP software versions prior to 1.1.5, where multiple buffer overflows exist within the service locator protocol implementation. This vulnerability specifically affects the handling of SLP packets, which are used for service discovery in network environments. The flaw arises from insufficient input validation and memory management practices when processing malformed SLP packets, creating opportunities for attackers to exploit these weaknesses through carefully crafted malicious data payloads.
The technical implementation of this vulnerability stems from improper buffer size checking and memory allocation routines within the OpenSLP service locator component. When the software receives SLP packets containing oversized or malformed data structures, the application fails to properly validate packet boundaries before copying data into fixed-size buffers. This classic buffer overflow condition allows attackers to overwrite adjacent memory locations, potentially leading to arbitrary code execution, system crashes, or unauthorized access to network services. The vulnerability manifests across multiple functions within the SLP packet processing pipeline, making it particularly dangerous as attackers can target different code paths to achieve their objectives.
From an operational perspective, the impact of CVE-2005-0769 extends beyond simple service disruption, as it can enable attackers to gain significant control over systems running vulnerable OpenSLP implementations. Network administrators and security professionals must recognize that this vulnerability can be exploited remotely without authentication, making it particularly dangerous in enterprise environments where SLP services are commonly deployed for service discovery. The unknown impact aspect of this vulnerability indicates that attackers may be able to leverage the buffer overflows for various malicious activities including privilege escalation, information disclosure, or complete system compromise depending on the execution environment and target system configuration.
The vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflow scenarios, demonstrating the comprehensive nature of the memory corruption issues present in the affected OpenSLP versions. From an adversarial perspective, this vulnerability maps to several ATT&CK techniques including T1059 for command execution and T1068 for local privilege escalation, as attackers can potentially leverage the buffer overflows to execute arbitrary code on vulnerable systems. Organizations should prioritize immediate patching of affected systems, as the vulnerability represents a significant risk to network infrastructure security and service availability. Network segmentation and monitoring of SLP traffic can provide temporary mitigation while permanent solutions are implemented, though the most effective approach remains upgrading to OpenSLP version 1.1.5 or later where these buffer overflow conditions have been properly addressed through improved input validation and memory management practices.