BearFTP up to 0.1.x Connection resource consumption

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, which was classified as problematic, has been found in BearFTP up to 0.1.x. This issue affects some unknown processing of the component Connection Handler. The manipulation leads to resource consumption. This vulnerability is traded as CVE-2020-8416. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in BearFTP up to 0.1.x and classified as problematic. This issue affects an unknown functionality of the component Connection Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

BearFTP before 0.2.0 allows remote attackers to achieve denial of service via a large volume of connections to the PASV mode port.

The weakness was shared 01/29/2020 (GitHub Repository). The advisory is shared at github.com. The identification of this vulnerability is CVE-2020-8416 since 01/28/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 0.2.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (47987). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.4
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: Resource consumption
CWE: CWE-400 / CWE-404
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BearFTP 0.2.0
Patch: github.com

Timelineinfo

01/28/2020 🔍
01/29/2020 +1 days 🔍
01/30/2020 +1 days 🔍
08/17/2024 +1661 days 🔍

Sourcesinfo

Advisory: 156170
Status: Not defined

CVE: CVE-2020-8416 (🔍)
GCVE (CVE): GCVE-0-2020-8416
GCVE (VulDB): GCVE-100-149549
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/30/2020 08:35
Updated: 08/17/2024 16:37
Replaces Duplicates: 🔍
Changes: 01/30/2020 08:35 (38), 01/30/2020 08:40 (17), 06/04/2022 07:27 (3), 03/27/2024 14:44 (18), 08/17/2024 16:37 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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