CVE-2007-1371 in Conquest
Summary
by MITRE
Multiple buffer overflows in Conquest 8.2a and earlier (1) allow local users to gain privileges by querying a metaserver that sends a long server entry processed by metaGetServerList and allow remote metaservers to execute arbitrary code via a long server entry processed by metaGetServerList; (2) allow attackers to have an unknown impact by exceeding the configured number of metaservers; and allow remote attackers to corrupt memory via a SP_CLIENTSTAT packet with certain values of (3) unum or (4) snum, different vulnerabilities than CVE-2003-0933.
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Analysis
by VulDB Data Team • 12/28/2024
The vulnerability described in CVE-2007-1371 represents a series of buffer overflow conditions affecting the Conquest gaming software version 8.2a and earlier. These flaws exist within the metaGetServerList function which processes server entries from metaservers, creating opportunities for both local privilege escalation and remote code execution. The primary technical flaw stems from insufficient input validation when handling server entry data, allowing maliciously crafted entries to overwrite adjacent memory regions. This vulnerability falls under CWE-121, which specifically addresses stack-based buffer overflow conditions, and can be categorized under CWE-787, representing out-of-bounds write vulnerabilities that occur when a buffer is written beyond its allocated bounds.
The operational impact of these buffer overflows is significant and multifaceted. Local users can exploit the first vulnerability by querying a malicious metaserver that sends an excessively long server entry, potentially leading to privilege escalation within the Conquest application. Remote attackers can leverage the second vulnerability to execute arbitrary code through specially crafted metaserver responses, while the third and fourth vulnerabilities involve memory corruption via SP_CLIENTSTAT packets with malformed unum or snum values. These conditions create potential attack vectors that align with ATT&CK technique T1055 for process injection and T1072 for software deployment, as attackers can manipulate the application's memory structures to execute malicious payloads. The memory corruption aspects particularly relate to ATT&CK technique T1068 which covers local privilege escalation through exploitation of software vulnerabilities.
The security implications extend beyond immediate exploitation as these vulnerabilities can enable attackers to gain persistent access to systems running Conquest, potentially allowing them to establish backdoors or escalate privileges to system-level access. The fact that multiple attack vectors exist within the same software component increases the attack surface significantly. The vulnerability affects the application's server discovery mechanism and client statistics handling, which are core functionalities of the Conquest software. Organizations using affected versions should consider implementing network segmentation to limit metaserver communication, as well as deploying intrusion detection systems to monitor for suspicious packet patterns. The exploitation of these vulnerabilities demonstrates the importance of proper input validation and bounds checking in networked applications, particularly those handling external data from untrusted sources. Additionally, the vulnerability's classification under multiple CWE categories indicates the severity and the need for comprehensive remediation strategies that address both local and remote attack scenarios.