FTPshell Client 6.53 PWD Command memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in FTPshell Client 6.53. It has been classified as critical. Impacted is an unknown function of the component PWD Command Handler. This manipulation causes memory corruption. This vulnerability is registered as CVE-2017-6465. Remote exploitation of the attack is possible. Furthermore, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical was found in FTPshell Client 6.53. Affected by this vulnerability is an unknown code block of the component PWD Command Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Remote Code Execution was discovered in FTPShell Client 6.53. By default, the client sends a PWD command to the FTP server it is connecting to; however, it doesn't check the response's length, leading to a buffer overflow situation.

The bug was discovered 03/05/2017. The weakness was published 03/10/2017 by Peter Baris as File 141456/FTP (Packetstorm). It is possible to read the advisory at packetstormsecurity.com. This vulnerability is known as CVE-2017-6465 since 03/03/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Python. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at Exploit-DB (41511) and SecurityFocus (BID 96570†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/03/2017 🔍
03/04/2017 +1 days 🔍
03/05/2017 +1 days 🔍
03/09/2017 +4 days 🔍
03/10/2017 +1 days 🔍
03/10/2017 +0 days 🔍
06/15/2024 +2654 days 🔍

Sourcesinfo

Advisory: File 141456/FTP
Researcher: Peter Baris
Status: Confirmed

CVE: CVE-2017-6465 (🔍)
GCVE (CVE): GCVE-0-2017-6465
GCVE (VulDB): GCVE-100-97795
SecurityFocus: 96570 - FTPShell Client CVE-2017-6465 Buffer Overflow Vulnerability
OSVDB: - CVE-2017-6465 - FTPShell - Code Execution Issue

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/10/2017 09:54
Updated: 06/15/2024 12:19
Changes: 03/10/2017 09:54 (66), 09/05/2020 18:26 (3), 06/15/2024 12:19 (17)
Complete: 🔍
Cache ID: 216:4F1:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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