CVE-2019-9883 : Security Advisory and Response

A CSRF vulnerability in the MailSherlock MSR35 and MSR45 multi modules allows attackers to escalate the privileges of a specific account without authorization.

Understanding CVE-2019-9883

What is CVE-2019-9883?

The vulnerability in MailSherlock MSR35 and MSR45 multi modules enables attackers to elevate the privilege of a specific account through a specific endpoint.

The Impact of CVE-2019-9883

Exploiting this vulnerability can lead to unauthorized privilege escalation, potentially compromising sensitive information and system integrity.

Technical Details of CVE-2019-9883

Vulnerability Description

The CSRF vulnerability in MailSherlock MSR35 and MSR45 multi modules allows attackers to escalate the privileges of a specific account without requiring any authorization.

Affected Systems and Versions

MailSherlock MSR35
Versions affected:
iSherlock-base less than 1.5-328
iSherlock-useradmin less than 1.5-239
iSherlock-sysinfo less than 1.5-196
iSherlock-user less than 1.5-127
MailSherlock MSR45
Versions affected:
iSherlock-base less than 4.5-206
iSherlock-useradmin less than 4.5-106
iSherlock-sysinfo less than 4.5-109
iSherlock-user less than 4.5-81

Exploitation Mechanism

The vulnerability can be exploited through the useradmin/cf_new.cgi?chief=&wk_group=full&cf_name=test&cf_account=test&cf_email=&cf_acl=Management&apply_lang=&dn= endpoint.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Monitor for any unauthorized access or privilege changes.
Restrict access to vulnerable endpoints.

Long-Term Security Practices

Regularly update and patch software to address vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate risks.

Patching and Updates

Check for security advisories from the vendor and apply patches as soon as they are available.