Sysax Multi Server 4.3 path traversal

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3$0-$5k0.00

A vulnerability classified as problematic was found in Sysax Multi Server 4.3. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect integrity. CVE summarizes:

Directory traversal vulnerability in Sysax Multi Server 4.3 and 4.5 allows remote authenticated users to delete arbitrary files via a ..// (dot dot slash slash) in a DELE command.

The weakness was released 03/23/2009 by Jonathan Salwan (Website). The advisory is shared for download at milw0rm.com. This vulnerability was named CVE-2009-4800 since 04/22/2010. The exploitation appears to be easy. The attack can be initiated remotely. The requirement for exploitation is a single authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

A public exploit has been developed by Jonathan Salwan in ANSI C and been published immediately after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as highly functional.

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 (49360) and Exploit-DB (8256). Entry connected to this vulnerability is available at 52866.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

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

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
ATT&CK: T1006

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: Jonathan Salwan
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

03/23/2009 🔍
03/23/2009 +0 days 🔍
03/23/2009 +0 days 🔍
03/23/2009 +0 days 🔍
03/24/2009 +1 days 🔍
03/24/2009 +0 days 🔍
04/22/2010 +393 days 🔍
04/22/2010 +0 days 🔍
03/19/2015 +1792 days 🔍
12/31/2017 +1018 days 🔍

Sourcesinfo

Advisory: milw0rm.com⛔
Researcher: Jonathan Salwan
Status: Confirmed

CVE: CVE-2009-4800 (🔍)
X-Force: 49360 - Sysax Multi Server FTP DELE directory traversal
SecurityFocus: 34209 - Sysax Multi Server FTP 'DELE' Directory Traversal Vulnerability
Secunia: 34433 - Sysax Multi Server FTP Directory Traversal Vulnerability, Moderately Critical
OSVDB: 52959 - Sysax Multi Server FTP DELE Request Handling Traversal Arbitrary File Deletion

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

Entryinfo

Created: 03/19/2015 12:22
Updated: 12/31/2017 09:37
Changes: 03/19/2015 12:22 (59), 12/31/2017 09:37 (10)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!