CVE-2007-2755 in PrecisionID Barcode
Summary
by MITRE
The PrecisionID Barcode 1.9 ActiveX control in PrecisionID_Barcode.dll, when Internet Explorer 6 is used, allows remote attackers to overwrite arbitrary files via a full pathname to the SaveToFile function, a different vulnerability than CVE-2007-2744.
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Analysis
by VulDB Data Team • 09/16/2024
The vulnerability identified as CVE-2007-2755 affects the PrecisionID Barcode 1.9 ActiveX control, specifically the PrecisionID_Barcode.dll component within Internet Explorer 6 environments. This represents a critical security flaw that exploits the trust model inherent in ActiveX controls, allowing malicious actors to manipulate file system operations through improper input validation. The vulnerability manifests when the SaveToFile function receives a full pathname parameter, enabling attackers to target arbitrary locations on the victim's system rather than being restricted to safe default directories. This issue operates under the broader context of ActiveX control exploitation, where client-side components can be manipulated to perform unauthorized system operations.
The technical flaw resides in the improper validation of file path inputs within the SaveToFile function of the ActiveX control. When an attacker supplies a full pathname instead of a relative path or a validated file location, the control fails to properly sanitize or restrict the destination path, allowing the creation or overwriting of files anywhere within the file system. This represents a classic path traversal vulnerability that leverages the privileges of the running Internet Explorer process, typically operating with the user's current security context. The vulnerability specifically affects Internet Explorer 6, which lacks many modern security mitigations present in later browser versions, making it particularly susceptible to such attacks.
The operational impact of this vulnerability is significant as it enables attackers to overwrite critical system files, install malicious software, or manipulate existing files to achieve persistent access or data corruption. Attackers can leverage this flaw to replace legitimate executables with malicious counterparts, modify configuration files, or create backdoor access points within the victim's system. The attack vector typically involves crafting a malicious web page that loads the vulnerable ActiveX control and invokes the SaveToFile function with a crafted full path. This vulnerability aligns with CWE-22 Path Traversal and is categorized under the broader ATT&CK technique T1195 for Supply Chain Compromise or T1059 for Command and Scripting Interpreter, depending on the attack implementation approach.
Mitigation strategies for CVE-2007-2755 should focus on immediate removal of the vulnerable ActiveX control from affected systems, particularly within Internet Explorer 6 environments where the vulnerability is most prevalent. Organizations should implement strict ActiveX control policies that restrict or disable potentially dangerous components, especially those from untrusted vendors. Browser hardening measures including disabling ActiveX controls entirely or implementing strict security zones can significantly reduce the attack surface. Additionally, network-level controls such as web application firewalls and content filtering can help prevent exploitation by blocking malicious web content that attempts to leverage this vulnerability. The remediation process should include comprehensive system scanning to identify all instances of the vulnerable PrecisionID Barcode control and ensure complete removal from affected systems.