PSFTPd 10.0.4 Build 729 Bounce Scan 7pk security

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in PSFTPd 10.0.4 Build 729. This impacts an unknown function of the component Bounce Scan Handler. Executing a manipulation can lead to 7pk security. This vulnerability is handled as CVE-2017-15269. The attack can be executed remotely. Additionally, an exploit exists. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability has been found in PSFTPd 10.0.4 Build 729 (File Transfer Software) and classified as critical. This vulnerability affects some unknown functionality of the component Bounce Scan Handler. The manipulation with an unknown input leads to a 7pk security vulnerability. The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect confidentiality, and availability. CVE summarizes:

The PSFTPd 10.0.4 Build 729 server does not prevent FTP bounce scans by default. These can be performed using "nmap -b" and allow performing scans via the FTP server.

The bug was discovered 11/10/2017. The weakness was released 11/15/2017 (Website). The advisory is available at packetstormsecurity.com. This vulnerability was named CVE-2017-15269 since 10/11/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1211 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 5 days. During that time the estimated underground price was around $0-$5k.

Proper firewalling of is able to address this issue.

The vulnerability is also documented in the vulnerability database at Exploit-DB (43144). Entries connected to this vulnerability are available at VDB-109427, VDB-109428 and VDB-109429. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

File Transfer Software

Name

PSFTPd

Version

10.0.4 Build 729

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/11/2017 🔍
11/10/2017 +30 days 🔍
11/15/2017 +5 days 🔍
11/15/2017 +0 days 🔍
11/16/2017 +1 days 🔍
01/10/2023 +1881 days 🔍

Sourcesinfo

Advisory: 144972
Status: Not defined

CVE: CVE-2017-15269 (🔍)
GCVE (CVE): GCVE-0-2017-15269
GCVE (VulDB): GCVE-100-109426
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 11/16/2017 10:30
Updated: 01/10/2023 13:15
Changes: 11/16/2017 10:30 (59), 12/06/2019 16:44 (4), 01/10/2023 13:15 (4)
Complete: 🔍
Cache ID: 216::103

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