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kasperskyKaspersky LabKLA10986
HistoryMar 14, 2017 - 12:00 a.m.

KLA10986 Information disclosure vulnerability in Microsoft Active Directory Federation Services

2017-03-1400:00:00
Kaspersky Lab
threats.kaspersky.com
27

2.9 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:A/AC:M/Au:N/C:P/I:N/A:N

5.3 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.4%

An improper honoring of XML External Entities was found in Microsoft Active Directory Federation Services (ADFS). By exploiting this vulnerability malicious users can obtain sensitive information. This vulnerability can be exploited remotely via a specially designed request.

Original advisories

MS17-019

CVE-2017-0043

Related products

Microsoft-Windows-Server-2012

Microsoft-Windows-Server-2008

CVE list

CVE-2017-0043 warning

KB list

4012217

4012215

4012216

4013429

4012212

4012214

4012213

3217882

4010320

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

  • OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

Affected Products

  • Windows Server 2008Windows Server 2008 R2Windows Server 2012Windows Server 2012 R2

2.9 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:A/AC:M/Au:N/C:P/I:N/A:N

5.3 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.4%