Microsoft Outlook -/2007/2010/2013 S/MIME Certificate Metadata Expansion information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability classified as critical has been found in Microsoft Outlook -/2007/2010/2013 (Groupware Software). This affects an unknown function of the component S/MIME Certificate Metadata Expansion. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Microsoft Outlook 2007 SP3, 2010 SP1 and SP2, 2013, and 2013 RT does not properly expand metadata contained in S/MIME certificates, which allows remote attackers to obtain sensitive network configuration and state information via a crafted certificate in an e-mail message, aka "S/MIME AIA Vulnerability."

The weakness was released 11/12/2013 by Alexander Klink with n.runs AG as MS13-094 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The public release was coordinated with Microsoft. This vulnerability is uniquely identified as CVE-2013-3905 since 06/03/2013. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 70852 (MS13-094: Vulnerability in Microsoft Outlook Could Allow Information Disclosure (2894514)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins.

Applying the patch MS13-094 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (88385) and Tenable (70852).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
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CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 70852
Nessus Name: MS13-094: Vulnerability in Microsoft Outlook Could Allow Information Disclosure (2894514)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 903413
OpenVAS Name: Microsoft Outlook Information Disclosure Vulnerability (2894514)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: MS13-094
Fortigate IPS: 🔍

Timelineinfo

06/03/2013 🔍
11/12/2013 +161 days 🔍
11/12/2013 +0 days 🔍
11/12/2013 +0 days 🔍
11/12/2013 +0 days 🔍
11/12/2013 +0 days 🔍
11/13/2013 +1 days 🔍
11/13/2013 +0 days 🔍
11/15/2013 +2 days 🔍
06/02/2021 +2756 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS13-094
Researcher: Alexander Klink
Organization: n.runs AG
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-3905 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 88385
Vulnerability Center: 42280 - [MS13-094] Microsoft Outlook Remote Leakage of Information via a Malicious Certificate in an E-mail, Medium
SecurityFocus: 63603
Secunia: 55574 - Microsoft Outlook X.509 S/MIME AIA Information Disclosure Vulnerability, Less Critical
OSVDB: 99653

Entryinfo

Created: 11/15/2013 14:12
Updated: 06/02/2021 08:16
Changes: 11/15/2013 14:12 (50), 05/15/2017 11:23 (34), 06/02/2021 08:12 (4), 06/02/2021 08:16 (1)
Complete: 🔍

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