VDB-112274 · CVE-2017-18047 · EDB-ID 42011

LabF nfsAxe 3.7 FTP Client memory corruption

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.
8.3	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in LabF nfsAxe 3.7. This affects an unknown function of the component FTP Client. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2017-18047. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in LabF nfsAxe 3.7. It has been rated as critical. Affected by this issue is an unknown functionality of the component FTP Client. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer Overflow in the FTP client in LabF nfsAxe 3.7 allows remote FTP servers to execute arbitrary code via a long reply.

The bug was discovered 12/08/2017. The weakness was shared 01/22/2018 as EDB-ID 42011 as not defined exploit (Exploit-DB). The advisory is available at exploit-db.com. This vulnerability is handled as CVE-2017-18047 since 01/21/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 44 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 (42011). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

LabF

Name

nfsAxe

Version

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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MetaSploit ID: labf_nfsaxe.rb
MetaSploit Name: LabF nfsAxe 3.7 FTP Client Stack Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

12/08/2017 🔍
01/21/2018 +44 days 🔍
01/21/2018 +0 days 🔍
01/22/2018 +1 days 🔍
01/22/2018 +0 days 🔍
01/22/2018 +0 days 🔍
01/22/2018 +0 days 🔍
12/26/2019 +703 days 🔍