CVE-2022-35488 : Security Advisory and Response
Learn about CVE-2022-35488 affecting Zammad 5.2.0, enabling attackers to conduct a Denial of Service attack by flooding email accounts. Read for mitigation steps.
Zammad 5.2.0 has a vulnerability that allows an attacker to manipulate the rate limiting in the 'forgot password' feature, leading to a Denial of Service attack by flooding the victim with numerous emails.
Understanding CVE-2022-35488
This CVE-2022-35488 affects Zammad 5.2.0, impacting the security of the 'forgot password' functionality and potentially causing a DoS attack.
What is CVE-2022-35488?
In Zammad 5.2.0, an attacker could exploit the rate limiting mechanism in the 'forgot password' feature to flood a known account with requests, resulting in Denial of Service by generating excessive emails.
The Impact of CVE-2022-35488
The vulnerability enables threat actors to overwhelm a target with a large volume of emails, disrupting their email services and potentially causing email spamming.
Technical Details of CVE-2022-35488
Vulnerability Description
The flaw in Zammad 5.2.0 allows threat actors to bypass rate limiting and abuse the 'forgot password' functionality, leading to a DoS condition.
Affected Systems and Versions
Zammad 5.2.0 is specifically affected by this vulnerability, potentially exposing systems leveraging this version to DoS attacks.
Exploitation Mechanism
By manipulating the rate limiting controls in the 'forgot password' feature, malicious actors can flood a targeted account with requests, triggering a DoS scenario.
Mitigation and Prevention
Immediate Steps to Take
Users are advised to update Zammad to a secure version to mitigate the risk posed by CVE-2022-35488. Additionally, monitoring email services for unusual activities can help detect potential DoS attempts.
Long-Term Security Practices
Implementing strong rate limiting policies, regularly monitoring for suspicious activities, and educating users about email security best practices can enhance overall security posture.
Patching and Updates
Stay informed about security advisories from Zammad and promptly apply patches and updates to ensure systems are protected against known vulnerabilities.