CVE-2005-3922 in Titanium 2006 Antivirus
Summary
by MITRE
Heap-based buffer overflow in pskcmp.dll in Panda Software Antivirus library allows remote attackers to execute arbitrary code via a crafted ZOO archive.
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Analysis
by VulDB Data Team • 06/28/2025
The vulnerability identified as CVE-2005-3922 represents a critical heap-based buffer overflow within the pskcmp.dll component of Panda Software Antivirus library. This flaw specifically manifests when processing crafted ZOO archive files, creating a remote code execution vector that could be exploited by malicious actors without requiring local system access. The vulnerability resides in the library's handling of compressed archive formats, particularly affecting systems running Panda Antivirus software versions prior to the security patch release.
The technical implementation of this vulnerability stems from improper input validation and memory management within the pskcmp.dll library. When the antivirus engine attempts to parse a maliciously crafted ZOO archive, the buffer overflow occurs during decompression operations where insufficient bounds checking allows attacker-controlled data to overwrite adjacent memory regions. This heap-based overflow creates opportunities for arbitrary code execution with the privileges of the compromised process, typically running with elevated system permissions. The vulnerability's classification aligns with CWE-121, heap-based buffer overflow, which is a well-documented weakness in memory management that has been exploited in numerous security incidents throughout the software industry.
The operational impact of CVE-2005-3922 extends beyond simple remote code execution, as it provides attackers with a potential foothold for broader system compromise within network environments. Organizations running vulnerable Panda Antivirus software become susceptible to automated exploitation campaigns targeting this specific flaw, particularly in environments where the antivirus software is configured to scan incoming archives automatically. The ZOO archive format presents a particularly dangerous attack surface since many security solutions automatically process compressed files during routine scanning operations, making the exploitation vector more accessible to threat actors. This vulnerability demonstrates the inherent risks of decompression libraries within security software, where processing untrusted input from archive formats can create dangerous memory corruption conditions.
Mitigation strategies for this vulnerability require immediate patching of affected Panda Antivirus installations with the vendor-provided security updates. System administrators should prioritize deployment of the latest antivirus definitions and software versions that address the heap overflow in pskcmp.dll. Network segmentation and access controls should be implemented to limit the potential impact of successful exploitation attempts, while monitoring systems should be configured to detect unusual scanning behavior or attempted exploitation activities. The vulnerability's characteristics align with ATT&CK technique T1059.007 for command and scripting interpreter, as exploitation could enable attackers to execute arbitrary commands on compromised systems. Additionally, implementing application whitelisting policies and restricting automatic decompression of unknown archive formats can provide additional defense-in-depth measures against similar vulnerabilities in other security software components.