ProFTPD up to 1.3.7c mod_radius information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

A vulnerability was found in ProFTPD up to 1.3.7c (File Transfer Software). It has been declared as problematic. This vulnerability affects an unknown part of the component mod_radius. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.

The weakness was disclosed 11/23/2022 as 1284. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-46854 since 11/23/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 1.3.7c eliminates this vulnerability. The upgrade is hosted for download at proftpd.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ProFTPD 1.3.7c
Patch: github.com

Timelineinfo

11/23/2022 🔍
11/23/2022 +0 days 🔍
11/23/2022 +0 days 🔍
12/22/2022 +29 days 🔍

Sourcesinfo

Advisory: 1284
Status: Confirmed

CVE: CVE-2021-46854 (🔍)

Entryinfo

Created: 11/23/2022 13:20
Updated: 12/22/2022 14:11
Changes: 11/23/2022 13:20 (43), 12/22/2022 14:11 (11)
Complete: 🔍

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