2009-3639 | ProFTPD mod_tls cryptographic issues (Bug 530719 / BID-36804)

CVSS Meta Temp Score

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Current Exploit Price (≈)

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CTI Interest Score

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6.2 $0-$5k 0.16

A vulnerability was found in ProFTPD 1.3.1/1.3.2/1.3.3 (File Transfer Software). It has been classified as critical. This affects an unknown function of the component mod_tls. The manipulation with an unknown input leads to a weak encryption vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on integrity, and availability.

The weakness was released 10/28/2009 by TJ Saunders as Bug 530719 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2009-3639 since 10/09/2009. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 42240 (Mandriva Linux Security Advisory : proftpd (MDVSA-2009:288)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks.

Upgrading to version 1.3.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (53936), Vulnerability Center (SBV-24136) and Tenable (42240).



VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

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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: 🔍

Class: Weak encryption
CWE: CWE-310
ATT&CK: T1600

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 42240
Nessus Name: Mandriva Linux Security Advisory : proftpd (MDVSA-2009:288)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 66205
OpenVAS Name: Debian Security Advisory DSA 1925-1 (proftpd-dfsg)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ProFTPD 1.3.2

10/09/2009 🔍
10/23/2009 +14 days 🔍
10/23/2009 +0 days 🔍
10/26/2009 +3 days 🔍
10/28/2009 +2 days 🔍
10/28/2009 +0 days 🔍
11/23/2009 +26 days 🔍
03/18/2015 +1941 days 🔍
08/24/2021 +2351 days 🔍Advisory: Bug 530719
Researcher: TJ Saunders
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-3639 (🔍)

X-Force: 53936
Vulnerability Center: 24136 – ProFTPD Restrictions Bypass Vulnerability when dNSNameRequired TLS Option Enabled, Medium
SecurityFocus: 36804 – ProFTPD mod_tls Module NULL Character CA SSL Certificate Validation Security Bypass Vulnerability

Created: 03/18/2015 15:15
Updated: 08/24/2021 16:58
Changes: (1) source_nessus_risk
Complete: 🔍


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