Core FTP 2.0 Build 653 on 32-bit XRMD Command input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Core FTP 2.0 Build 653 on 32-bit and classified as problematic. Affected by this issue is some unknown functionality of the component XRMD Command Handler. This manipulation causes input validation. This vulnerability is registered as CVE-2018-20658. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Core FTP 2.0 Build 653 on 32-bit. It has been declared as problematic. Affected by this vulnerability is an unknown part of the component XRMD Command Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a denial of service (daemon crash) via a crafted XRMD command.

The bug was discovered 03/12/2019. The weakness was published 01/02/2019 as EDB-ID 45091 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2018-20658 since 01/02/2019. The exploitation appears to be easy. 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.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

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 (45091) and OSVDB (45630†). 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: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

01/02/2019 🔍
01/02/2019 +0 days 🔍
01/02/2019 +0 days 🔍
01/02/2019 +0 days 🔍
01/02/2019 +0 days 🔍
01/03/2019 +1 days 🔍
03/12/2019 +68 days 🔍
09/04/2025 +2368 days 🔍

Sourcesinfo

Advisory: EDB-ID 45091
Status: Not defined

CVE: CVE-2018-20658 (🔍)
GCVE (CVE): GCVE-0-2018-20658
GCVE (VulDB): GCVE-100-128635
OSVDB: 45630 - Core FTP - 'LIST' Command Directory Traversal Issue

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

Entryinfo

Created: 01/03/2019 12:49
Updated: 09/04/2025 12:38
Changes: 01/03/2019 12:49 (63), 04/25/2020 18:54 (3), 09/04/2025 12:38 (17)
Complete: 🔍
Cache ID: 216::103

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

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