Microsoft Remote Desktop Connection Client up to 7.0 mstscax.dll code injection

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Remote Desktop Connection Client up to 7.0. This issue affects some unknown processing in the library mstscax.dll. Performing a manipulation results in code injection. This vulnerability is cataloged as CVE-2013-1296. Furthermore, there is an exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Remote Desktop Connection Client up to 7.0. This affects some unknown functionality in the library mstscax.dll. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The Remote Desktop ActiveX control in mstscax.dll in Microsoft Remote Desktop Connection Client 6.1 and 7.0 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code via a web page that triggers access to a deleted object, and allows remote RDP servers to execute arbitrary code via unspecified vectors that trigger access to a deleted object, aka "RDP ActiveX Control Remote Code Execution Vulnerability."

The weakness was shared 04/09/2013 by c1d2d9acc746ae45eeb477b97fa74688 with Zero Day Initiative as MS13-029 as confirmed bulletin (Microsoft Technet) via ZDI (Zero Day Initiative). It is possible to read the advisory at technet.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is uniquely identified as CVE-2013-1296 since 01/12/2013. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a private exploit are known. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 65876 (MS13-029: Vulnerability in Remote Desktop Client Could Allow Remote Code Execution (2828223)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90876 (Microsoft Windows Remote Desktop Client Remote Code Execution Vulnerability (MS13-029)).

Applying the patch MS13-029 is able to eliminate this problem. The bugfix is ready for download at support.microsoft.com. 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 12868.

The vulnerability is also documented in the databases at X-Force (83093), Tenable (65876), SecurityFocus (BID 58874†), OSVDB (92122†) and Secunia (SA52911†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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

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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 65876
Nessus Name: MS13-029: Vulnerability in Remote Desktop Client Could Allow Remote Code Execution (2828223)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 901217
OpenVAS Name: Microsoft RDP ActiveX Control Remote Code Execution Vulnerability (2828223)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS13-029
TippingPoint: 🔍

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

Timelineinfo

01/12/2013 🔍
04/09/2013 +87 days 🔍
04/09/2013 +0 days 🔍
04/09/2013 +0 days 🔍
04/09/2013 +0 days 🔍
04/09/2013 +0 days 🔍
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04/10/2013 +1 days 🔍
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04/10/2013 +0 days 🔍
12/28/2024 +4280 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS13-029
Researcher: c1d2d9acc746ae45eeb477b97fa74688
Organization: Zero Day Initiative
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-1296 (🔍)
GCVE (CVE): GCVE-0-2013-1296
GCVE (VulDB): GCVE-100-8199

OVAL: 🔍
IAVM: 🔍

X-Force: 83093
SecurityFocus: 58874 - Microsoft Remote Desktop ActiveX Control CVE-2013-1296 Remote Code Execution Vulnerability
Secunia: 52911 - Microsoft Windows Remote Desktop ActiveX Control Vulnerability, Highly Critical
OSVDB: 92122
SecurityTracker: 1028397 - Windows Remote Desktop Bug in ActiveX Control Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 39062 - [MS13-029] Microsoft Remote Desktop Connection Client Versions 6.1, 7.0, 7.1 Remote Code Execution, Critical

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

Entryinfo

Created: 04/10/2013 15:31
Updated: 12/28/2024 01:29
Changes: 04/10/2013 15:31 (91), 04/26/2017 23:54 (8), 05/06/2021 22:01 (3), 12/28/2024 01:29 (16)
Complete: 🔍
Committer:
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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