CVE-2008-6674 in QuickerSite
Summary
by MITRE
mailPage.asp in QuickerSite 1.8.5 allows remote attackers to flood e-mail accounts with messages via a large number of requests with a modified sEmail parameter.
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Analysis
by VulDB Data Team • 09/24/2025
The vulnerability identified as CVE-2008-6674 resides within the mailPage.asp component of QuickerSite version 1.8.5, representing a significant security flaw that enables remote attackers to conduct email flooding attacks against targeted systems. This issue manifests through the manipulation of the sEmail parameter, which when modified and submitted in excessive quantities, can overwhelm email accounts with numerous unwanted messages. The vulnerability specifically affects web applications that utilize QuickerSite's mail functionality, creating a pathway for malicious actors to exploit the application's lack of proper input validation and request rate limiting mechanisms.
The technical implementation of this vulnerability stems from insufficient sanitization and validation of user-supplied input within the mailPage.asp script. When attackers modify the sEmail parameter and submit it through multiple requests, the application fails to implement adequate rate limiting or input filtering measures. This allows for a form of denial of service attack where legitimate email accounts become overwhelmed with messages, potentially exhausting mailbox storage capacity and disrupting normal email operations. The flaw operates at the application layer, specifically targeting the email submission functionality and lacks proper bounds checking or request throttling mechanisms that would normally prevent such abuse patterns.
From an operational impact perspective, this vulnerability creates substantial risk for organizations utilizing QuickerSite 1.8.5, as it can lead to complete disruption of email services for affected accounts. The flooding effect can cause mailbox overflow conditions, potentially resulting in service degradation or complete unavailability of email functionality for legitimate users. Additionally, the vulnerability may be exploited for spam distribution purposes, as attackers can leverage the application to send large volumes of unsolicited messages. This creates potential compliance issues and may result in the organization's email servers being blacklisted by spam filters and email providers, leading to broader network security implications.
The vulnerability aligns with CWE-400, which addresses unchecked resource consumption, and represents a classic example of a denial of service attack vector. From an attack framework perspective, this flaw maps to ATT&CK technique T1499.004, which covers network denial of service attacks, and T1566.001, covering spearphishing through social media. Organizations should implement immediate mitigations including rate limiting for email submission endpoints, input validation for email parameters, and monitoring for unusual submission patterns. The most effective remediation involves upgrading to a patched version of QuickerSite, implementing proper request throttling mechanisms, and deploying web application firewalls to detect and block excessive email submission requests. Security teams should also establish baseline email submission metrics to identify anomalous behavior that could indicate exploitation of this vulnerability.