Apache2Triad 1.5.4 phpsftpd/users.php Account cross site scripting

Summaryinfo

A vulnerability labeled as problematic has been found in Apache2Triad 1.5.4. Impacted is an unknown function of the file phpsftpd/users.php. Executing a manipulation of the argument Account as part of Parameter can lead to cross site scripting. This vulnerability is tracked as CVE-2017-12971. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability has been found in Apache2Triad 1.5.4 and classified as problematic. This vulnerability affects an unknown part of the file phpsftpd/users.php. The manipulation of the argument account as part of a Parameter leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in Apache2Triad 1.5.4 allows remote attackers to inject arbitrary web script or HTML via the account parameter to phpsftpd/users.php.

The bug was discovered 08/21/2017. The weakness was disclosed 08/23/2017 by John Page (hyp3rlinx) (Website). The advisory is available at hyp3rlinx.altervista.org. This vulnerability was named CVE-2017-12971 since 08/19/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:phpsftpd/users.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.

The vulnerability is also documented in the databases at Exploit-DB (42520) and SecurityFocus (BID 100447†). The entries VDB-105680 and VDB-105681 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• Apache2Triad

Version

• 1.5.4

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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