Erick Woods Terminal Server Client 0.150 src/support.c tsc_launch_remote hostname memory corruption

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.
6.7$0-$5k0.00

A vulnerability classified as critical was found in Erick Woods Terminal Server Client 0.150. Affected by this vulnerability is the function tsc_launch_remote of the file src/support.c of the component Terminal Server. The manipulation of the argument hostname with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the tsc_launch_remote function (src/support.c) in Terminal Server Client (tsclient) 0.150, and possibly other versions, allows user-assisted remote attackers to execute arbitrary code via a .RDP file with a long hostname argument.

The weakness was shared 02/02/2011 (Website). It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2011-0900 since 02/07/2011. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed by D3V!L FUCKER in Perl and been published immediately after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.

It is possible to mitigate the problem by adding an authentication mechanism.

The vulnerability is also documented in the databases at X-Force (65100) and Exploit-DB (16095). The entries 56886 and 56360 are related to this item.

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: 7.3
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.3
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: D3V!L FUCKER
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

OpenVAS ID: 902297
OpenVAS Name: Terminal Server Client RDP File Processing BOF Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Authentication
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

02/02/2011 🔍
02/02/2011 +0 days 🔍
02/02/2011 +0 days 🔍
02/02/2011 +0 days 🔍
02/02/2011 +0 days 🔍
02/02/2011 +0 days 🔍
02/07/2011 +4 days 🔍
02/07/2011 +0 days 🔍
03/20/2015 +1502 days 🔍
08/20/2017 +884 days 🔍

Sourcesinfo

Advisory: exploit-db.com
Status: Confirmed

CVE: CVE-2011-0900 (🔍)
X-Force: 65100
SecurityFocus: 46099 - Terminal Server Client '.rdp' File Processing Remote Denial of Service Vulnerability
Secunia: 43120 - Terminal Server Client (tsclient) RDP File Processing Buffer Overflows, Moderately Critical
OSVDB: 70749 - Terminal Server Client (tsclient) src/support.c tsc_launch_remote() Function Multiple Parameter RDP File Handling Overflows

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

Entryinfo

Created: 03/20/2015 16:16
Updated: 08/20/2017 22:07
Changes: 03/20/2015 16:16 (56), 08/20/2017 22:07 (19)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!