CVE-2010-2360 in Winny
Summary
by MITRE
Multiple buffer overflows in Winny 2.0b7.1 and earlier might allow remote attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2006-2007.
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Analysis
by VulDB Data Team • 02/07/2019
The vulnerability identified as CVE-2010-2360 represents a critical security flaw affecting Winny 2.0b7.1 and earlier versions of the peer-to-peer file sharing software. This vulnerability manifests through multiple buffer overflow conditions that create exploitable entry points for remote attackers seeking to compromise systems running these vulnerable versions. The flaw specifically impacts the software's handling of data structures during network communication processes, where insufficient input validation and memory management practices create opportunities for malicious actors to inject and execute arbitrary code on target systems. Unlike CVE-2006-2007 which addressed different vulnerability vectors, this particular issue focuses on buffer overflow conditions within the Winny application's core networking components, making it a distinct yet equally dangerous threat vector.
Buffer overflow vulnerabilities occur when a program attempts to store more data in a fixed-length buffer than it can accommodate, causing adjacent memory locations to be overwritten. In the context of Winny 2.0b7.1, these overflows likely occur during the processing of incoming network packets or file transfer operations where the application fails to properly validate the size and content of data received from remote peers. The technical implementation of these buffer overflows suggests that the software's memory allocation routines do not adequately check boundaries before copying data into internal buffers, creating predictable memory corruption scenarios that attackers can exploit through carefully crafted malicious inputs. The vulnerability's classification aligns with CWE-121, which describes heap-based buffer overflow conditions, and CWE-122, which addresses stack-based buffer overflow scenarios, indicating the presence of multiple vulnerable memory handling patterns within the software.
The operational impact of this vulnerability extends beyond simple remote code execution capabilities, as successful exploitation could enable attackers to gain full system control over vulnerable machines. This represents a significant threat in peer-to-peer networks where users may unknowingly interact with malicious peers who exploit these buffer overflows to establish persistent backdoors, exfiltrate sensitive data, or use compromised systems as launch points for further attacks. The remote nature of the exploit means that attackers do not require physical access or local network privileges to compromise systems, making the vulnerability particularly dangerous for users who engage in peer-to-peer file sharing activities. From an attacker's perspective, this vulnerability maps to several ATT&CK techniques including T1059 for command and scripting interpreter usage, T1068 for exploit for privilege escalation, and T1566 for spearphishing with attachments, as the initial compromise often occurs through malicious file sharing activities.
Mitigation strategies for CVE-2010-2360 require immediate action to upgrade to patched versions of Winny software, as the vulnerability exists in legacy releases that no longer receive security updates from the vendor. Organizations should implement network segmentation to limit peer-to-peer traffic exposure and deploy intrusion detection systems capable of identifying suspicious network patterns associated with buffer overflow exploitation attempts. Additionally, users should disable peer-to-peer file sharing functionality when not actively required and ensure that network firewalls properly restrict access to the specific ports used by Winny applications. The vulnerability's nature suggests that input sanitization and memory safety practices should be implemented at multiple layers, including application-level bounds checking, stack canaries, and address space layout randomization to complicate exploitation attempts. Security professionals should also consider implementing network monitoring solutions that can detect anomalous data patterns indicative of buffer overflow exploitation attempts, particularly during file transfer operations that are common attack vectors for this class of vulnerability.