MailSherlock up to 1.5 letgo.cgi select_mid sql injection

Summaryinfo

A vulnerability described as critical has been identified in MailSherlock up to 1.5. This impacts an unknown function of the file letgo.cgi. Executing a manipulation of the argument select_mid as part of Parameter can lead to sql injection. The identification of this vulnerability is CVE-2018-17542. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in MailSherlock up to 1.5. This vulnerability affects an unknown code block of the file letgo.cgi. The manipulation of the argument select_mid as part of a Parameter leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

SQL Injection exists in MailSherlock before 1.5.235 for OAKlouds allows an unauthenticated user to extract the subjects of the emails of other users within the enterprise via the select_mid parameter in an letgo.cgi request.

The bug was discovered 10/11/2018. The weakness was shared 02/11/2019 as confirmed advisory (CERT.org). The advisory is shared for download at twcert.org.tw. This vulnerability was named CVE-2018-17542 since 09/26/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1505.

The vulnerability was handled as a non-public zero-day exploit for at least 123 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.5.235 eliminates this vulnerability.

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Productinfo

Name

• MailSherlock

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5

CPE 2.3info

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CPE 2.2info

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