A vulnerability, which was classified as critical, was found in HGiga iSherlock. This affects an unknown code block of the component Email Search Interface. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The email search interface of HGiga iSherlock (including MailSherlock, SpamSherock, AuditSherlock) fails to filter special characters in certain function parameters, allowing remote attackers with administrative privileges to exploit this vulnerability for Command Injection attacks, enabling execution of arbitrary system commands.

The advisory is shared at twcert.org.tw. This vulnerability is uniquely identified as CVE-2024-4298 since 04/29/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. The exploitation needs additional levels of successful authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 4.5-188 or 5.5-188 eliminates this vulnerability.

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• HGiga

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• iSherlock

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