CVE-2007-2655 in SurgeMail
Summary
by MITRE
Unspecified vulnerability in NetWin Webmail 3.1s-1 in SurgeMail before 3.8i2 has unknown impact and remote attack vectors, possibly a format string vulnerability that allows remote code execution.
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Analysis
by VulDB Data Team • 08/31/2018
The vulnerability identified as CVE-2007-2655 affects NetWin Webmail 3.1s-1 which is part of the SurgeMail suite of email server software. This unspecified vulnerability exists in versions prior to 3.8i2 and represents a critical security flaw that could potentially allow remote code execution through unspecified attack vectors. The vulnerability classification suggests a format string vulnerability which is a well-documented class of security flaws that can lead to arbitrary code execution when user-supplied data is improperly handled in format strings.
Format string vulnerabilities occur when a program uses user input directly in format string functions without proper validation or sanitization. These vulnerabilities are classified under CWE-134 as "Use of Externally-Controlled Format String" and represent a significant threat to system security as they can be exploited to execute arbitrary code, read sensitive memory locations, or cause application crashes. The vulnerability in question likely stems from improper handling of user-supplied input in string formatting operations within the webmail interface or related components of SurgeMail.
The remote attack vectors associated with this vulnerability indicate that an attacker could exploit the flaw from outside the local network without requiring authentication or physical access to the system. This makes the vulnerability particularly dangerous as it could be leveraged by malicious actors on the internet to gain unauthorized access to email servers. The unspecified impact suggests that the vulnerability could potentially allow for complete system compromise, data exfiltration, or service disruption. According to ATT&CK framework, this vulnerability would fall under T1059.007 for "Command and Scripting Interpreter: PowerShell" or T1059.001 for "Command and Scripting Interpreter: Windows Command Shell" if the exploitation involves command execution capabilities.
The operational impact of this vulnerability extends beyond simple exploitation as it could lead to complete compromise of email server infrastructure, allowing attackers to access sensitive email communications, user credentials, and potentially use the compromised server as a pivot point for further attacks within the network. Organizations running affected versions of SurgeMail would be at risk of unauthorized access to email data, which could include confidential business communications, personal information, and other sensitive data stored within the email system. The vulnerability's potential for remote code execution means that attackers could install backdoors, modify email content, or redirect email traffic to malicious destinations.
Mitigation strategies for this vulnerability should include immediate upgrade to SurgeMail version 3.8i2 or later, which would contain the necessary patches to address the format string vulnerability. Organizations should also implement network segmentation to limit access to email servers, deploy intrusion detection systems to monitor for exploitation attempts, and conduct regular security assessments of email infrastructure. The remediation process should include thorough testing of the updated software to ensure that the patch does not introduce compatibility issues with existing email services or configurations. Additionally, organizations should review their incident response procedures to ensure readiness for potential exploitation of this vulnerability and consider implementing additional security controls such as web application firewalls specifically designed to detect and prevent format string exploitation attempts.