PhpTpoint Mailing Server Using File Handling 1.0 Login Page home.php coninb/consent/contrsh/condrft/conspam path traversal

Summaryinfo

A vulnerability identified as critical has been detected in PhpTpoint Mailing Server Using File Handling 1.0. The impacted element is an unknown function of the file Mailserver_filesystem/home.php of the component Login Page. The manipulation of the argument coninb/consent/contrsh/condrft/conspam leads to path traversal. This vulnerability is listed as CVE-2018-18703. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in PhpTpoint Mailing Server Using File Handling 1.0 and classified as critical. This issue affects some unknown functionality of the file Mailserver_filesystem/home.php of the component Login Page. The manipulation of the argument coninb/consent/contrsh/condrft/conspam with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

PhpTpoint Mailing Server Using File Handling 1.0 suffers from multiple Arbitrary File Read vulnerabilities in different sections that allow an attacker to read sensitive files on the system via directory traversal, bypassing the login page, as demonstrated by the Mailserver_filesystem/home.php coninb, consent, contrsh, condrft, or conspam parameter.

The bug was discovered 10/26/2018. The weakness was presented 10/28/2018 (Website). It is possible to read the advisory at packetstormsecurity.com. The identification of this vulnerability is CVE-2018-18703 since 10/27/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:Mailserver_filesystem/home.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• PhpTpoint

Name

• Mailing Server Using File Handling

Version

• 1.0

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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