CVE-2001-0005 in PowerPoint
Summary
by MITRE
Buffer overflow in the parsing mechanism of the file loader in Microsoft PowerPoint 2000 allows attackers to execute arbitrary commands.
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Analysis
by VulDB Data Team • 06/05/2019
The vulnerability identified as CVE-2001-0005 represents a critical buffer overflow flaw within Microsoft PowerPoint 2000's file loading and parsing components. This issue specifically targets the file loader mechanism that processes presentation files, creating a pathway for malicious actors to exploit the software's memory management weaknesses. The vulnerability stems from insufficient input validation during the parsing of file structures, allowing attackers to craft specially formatted presentation files that trigger memory corruption when processed by the application.
This buffer overflow vulnerability operates through the manipulation of file parsing logic where PowerPoint 2000 fails to properly bounds-check data during file interpretation. When the application encounters malformed input within presentation files, particularly in structured elements like slide data or embedded objects, the parsing mechanism overflows into adjacent memory regions. The flaw is classified under CWE-121 as a stack-based buffer overflow, where the attacker can overwrite critical memory locations including return addresses and function pointers. This type of vulnerability directly enables privilege escalation and arbitrary code execution within the context of the user running the vulnerable application.
The operational impact of CVE-2001-0005 extends beyond simple denial of service scenarios, as it provides attackers with complete system compromise capabilities. An attacker who successfully exploits this vulnerability can execute malicious code with the privileges of the user running PowerPoint, potentially leading to full system control, data exfiltration, or deployment of additional malware. The attack vector typically involves social engineering tactics where users are tricked into opening malicious presentation files, often delivered through email attachments or compromised websites. This vulnerability affects organizations heavily dependent on Microsoft Office suites, particularly those without updated security patches or proper network segmentation.
Mitigation strategies for this vulnerability should include immediate application of Microsoft security patches released following the vulnerability disclosure, alongside comprehensive network security measures. Organizations should implement email filtering systems that scan for potentially malicious file attachments and deploy application whitelisting solutions to restrict execution of untrusted files. Network administrators should consider implementing network segmentation to limit lateral movement capabilities once an attacker has gained initial access. The vulnerability aligns with ATT&CK technique T1059.005 for command and scripting interpreter and T1203 for Exploitation for Client Execution, emphasizing the need for layered defensive approaches. Regular security awareness training for end users remains crucial as many exploitation attempts rely on human interaction with malicious files, making personnel education an essential component of overall security posture.