freeFTPd FTP up to 1.0.11 SFTP Authentication Mechanism freeFTPd.exe improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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9.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in freeFTPd FTP up to 1.0.11. This issue affects some unknown processing of the file freeFTPd.exe of the component SFTP Authentication Mechanism. This manipulation causes improper authentication. The identification of this vulnerability is CVE-2012-6067. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in freeFTPd FTP up to 1.0.11 (File Transfer Software). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file freeFTPd.exe of the component SFTP Authentication Mechanism. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

freeFTPd.exe in freeFTPd through 1.0.11 allows remote attackers to bypass authentication via a crafted SFTP session, as demonstrated by an OpenSSH client with modified versions of ssh.c and sshconnect2.c.

The weakness was shared 12/01/2012 by kingcope as 56782 as not defined posting (Website). It is possible to read the advisory at securityfocus.com. The vendor was not involved in the public release. This vulnerability is known as CVE-2012-6067 since 12/04/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at archives.neohapsis.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 63223 (freeFTPd / freeSSHd SFTP Authentication Bypass), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gain a shell remotely. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120719 (FreeFTPd Remote Authentication Bypass Vulnerability).

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 X-Force (80455), Tenable (63223), SecurityFocus (BID 56782†), OSVDB (88296†) and Vulnerability Center (SBV-37703†). The entry VDB-7056 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.3

VulDB Base Score: 9.8
VulDB Temp Score: 9.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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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Nessus ID: 63223
Nessus Name: freeFTPd / freeSSHd SFTP Authentication Bypass
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

12/01/2012 🔍
12/01/2012 +0 days 🔍
12/02/2012 +1 days 🔍
12/02/2012 +0 days 🔍
12/04/2012 +2 days 🔍
12/04/2012 +0 days 🔍
12/07/2012 +3 days 🔍
12/12/2012 +5 days 🔍
12/18/2012 +6 days 🔍
04/20/2021 +3045 days 🔍

Sourcesinfo

Advisory: 56782⛔
Researcher: kingcope
Status: Not defined

CVE: CVE-2012-6067 (🔍)
GCVE (CVE): GCVE-0-2012-6067
GCVE (VulDB): GCVE-100-7099
X-Force: 80455
SecurityFocus: 56782 - FreeFTPD 'SFTP' Authentication Mechanism Authentication Bypass Vulnerability
OSVDB: 88296
Vulnerability Center: 37703 - freeFTPd 1.0.11 and Earlier Remote Authentication Bypass via a Crafted SFTP Session, High

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

Entryinfo

Created: 12/12/2012 14:32
Updated: 04/20/2021 08:06
Changes: 12/12/2012 14:32 (50), 04/22/2017 17:14 (26), 04/20/2021 08:06 (4)
Complete: 🔍
Committer: olku
Cache ID: 216::103

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