Microsoft Windows Remote Desktop Connection 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.
9.0$0-$5k0.11

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Windows. Affected by this issue is some unknown functionality of the component Remote Desktop Connection Handler. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2009-1133. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Windows (Operating System) (unknown version). Affected by this issue is an unknown code block of the component Remote Desktop Connection Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in Microsoft Remote Desktop Connection (formerly Terminal Services Client) running RDP 5.0 through 6.1 on Windows, and Remote Desktop Connection Client for Mac 2.0, allows remote attackers to execute arbitrary code via unspecified parameters, aka "Remote Desktop Connection Heap Overflow Vulnerability."

The weakness was released 08/11/2009 by team509 with Microsoft as MS09-044 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability is handled as CVE-2009-1133 since 03/25/2009. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/17/2021).

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 40563 (MS09-044: Vulnerabilities in Remote Desktop Connection Could Allow Remote Code Execution (Mac OS X)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116552 (Microsoft Remote Desktop Connection Remote Code Execution Vulnerability (MS09-044)).

Upgrading eliminates this vulnerability. Applying the patch MS09-044 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8379.

The vulnerability is also documented in the databases at X-Force (52115), Tenable (40563), SecurityFocus (BID 35971†), OSVDB (56912†) and Secunia (SA36229†). Entry connected to this vulnerability is available at VDB-49392. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
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
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 40563
Nessus Name: MS09-044: Vulnerabilities in Remote Desktop Connection Could Allow Remote Code Execution (Mac OS X)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 900813
OpenVAS Name: Microsoft Remote Desktop Connection Remote Code Execution Vulnerability (969706)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS09-044
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/25/2009 🔍
08/11/2009 +139 days 🔍
08/11/2009 +0 days 🔍
08/11/2009 +0 days 🔍
08/11/2009 +0 days 🔍
08/11/2009 +0 days 🔍
08/11/2009 +0 days 🔍
08/11/2009 +0 days 🔍
08/12/2009 +0 days 🔍
08/12/2009 +0 days 🔍
08/18/2009 +6 days 🔍
03/17/2021 +4229 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS09-044
Researcher: team509
Organization: Microsoft
Status: Confirmed

CVE: CVE-2009-1133 (🔍)
GCVE (CVE): GCVE-0-2009-1133
GCVE (VulDB): GCVE-100-4016

OVAL: 🔍
IAVM: 🔍

X-Force: 52115
SecurityFocus: 35971 - Microsoft Remote Desktop Connection Client Heap Based Buffer Overflow Vulnerability
Secunia: 36229 - Microsoft Remote Desktop Connection Two Vulnerabilities, Highly Critical
OSVDB: 56912 - Microsoft Windows Terminal Services Client ActiveX Unspecified Overflow
SecurityTracker: 1022709 - Windows Remote Desktop Connection Heap Overflows Let Remote Users Execute Arbitrary Code
Vulnerability Center: 23196 - [MS09-044] Microsoft Windows Remote Desktop Connection Heap Based Buffer Overflow Vulnerability, Critical
Vupen: ADV-2009-2238

See also: 🔍

Entryinfo

Created: 08/18/2009 19:49
Updated: 03/17/2021 12:37
Changes: 08/18/2009 19:49 (95), 02/13/2017 10:08 (14), 03/17/2021 12:37 (2)
Complete: 🔍
Cache ID: 216:184:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!