ProFTPD 1.3.1/1.3.2/1.3.2 Rc2 mod_sql during sql injection

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

A vulnerability was found in ProFTPD 1.3.1/1.3.2/1.3.2 Rc2 (File Transfer Software) and classified as critical. This issue affects an unknown code block of the component mod_sql. The manipulation of the argument during with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

SQL injection vulnerability in ProFTPD Server 1.3.1 through 1.3.2rc2 allows remote attackers to execute arbitrary SQL commands via a "%" (percent) character in the username, which introduces a " " (single quote) character during variable substitution by mod_sql.

The bug was discovered 02/10/2009. The weakness was shared 02/12/2009 as not defined posting (Bugtraq). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2009-0542 since 02/12/2009. 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 as well as a public exploit are known. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

A public exploit has been developed in Perl. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 41609 (Fedora 10 : proftpd-1.3.2a-5.fc10 (2009-9386)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27296 (ProFTPD Character Encoding SQL Injection Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published 8 months after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8513.

The vulnerability is also documented in the databases at X-Force (48951), Tenable (41609) and Exploit-DB (8037). The entry 46500 is related to this item.

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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CVSSv2info

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Exploitinginfo

Class: Sql injection
CWE: CWE-89 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
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Nessus ID: 41609
Nessus Name: Fedora 10 : proftpd-1.3.2a-5.fc10 (2009-9386)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 63573
OpenVAS Name: Debian Security Advisory DSA 1727-1 (proftpd-dfsg)
OpenVAS File: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

02/10/2009 🔍
02/10/2009 +0 days 🔍
02/10/2009 +0 days 🔍
02/12/2009 +2 days 🔍
02/12/2009 +0 days 🔍
02/12/2009 +0 days 🔍
02/22/2009 +10 days 🔍
09/09/2009 +199 days 🔍
09/25/2009 +16 days 🔍
03/17/2015 +1999 days 🔍
08/28/2019 +1625 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-0542 (🔍)
OVAL: 🔍

X-Force: 48951
Vulnerability Center: 21002 - ProFTPD 1.3.1 through 1.3.2rc2 SQL Injection Remote Arbitrary SQL Commands Execution Vulnerability, Critical
SecurityFocus: 33722 - ProFTPD 'mod_sql' Username SQL Injection Vulnerability
Secunia: 34268
OSVDB: 51953 - ProFTPD - 'mod_sql_mysql' Username SQL Injection Issue

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

Created: 03/17/2015 16:11
Updated: 08/28/2019 07:27
Changes: 03/17/2015 16:11 (87), 08/28/2019 07:27 (9)
Complete: 🔍

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