A vulnerability was found in PSFTPd 10.0.4 Build 729 (File Transfer Software). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the file PSFTPd.dat of the component Configuration. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality. The summary by CVE is:

The PSFTPd 10.0.4 Build 729 server stores its configuration inside PSFTPd.dat. This file is a Microsoft Access Database and can be extracted. The application sets the encrypt flag with the password "ITsILLEGAL"; however, this password is not required to extract the data. Cleartext is used for a user password.

The bug was discovered 11/10/2017. The weakness was shared 11/15/2017 as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2017-15272 since 10/11/2017. An attack has to be approached locally. The requirement for exploitation is a single authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1552 for this issue.

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 5 days. During that time the estimated underground price was around $0-$5k.

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 vulnerability database at Exploit-DB (43144). The entries 109426, 109427 and 109428 are related to this item.

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Type

• File Transfer Software

Name

• PSFTPd

Version

• 10.0.4 Build 729

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CPE 2.2info

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