Microsoft Windows up to Vista Kerberos credentials management

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

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft Windows up to Vista. The impacted element is an unknown function of the component Kerberos. Performing a manipulation results in credentials management. This vulnerability is known as CVE-2015-6095. Attacking locally is a requirement. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Windows up to Vista (Operating System). This affects an unknown functionality of the component Kerberos. The manipulation with an unknown input leads to a credentials management vulnerability. CWE is classifying the issue as CWE-255. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 11/10/2015 as MS15-122 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is uniquely identified as CVE-2015-6095 since 08/14/2015. An attack has to be approached locally. The successful exploitation needs a authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 86828 (MS15-122: Security Update for Kerberos to Address Security Feature Bypass (3105256)), 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 91105 (Microsoft Windows Kerberos Security Feature Bypass Vulnerability (MS15-122)).

Applying the patch MS15-122 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 Tenable (86828), SecurityFocus (BID 77475†) and Vulnerability Center (SBV-54332†). Similar entries are available at VDB-79184, VDB-79183 and VDB-79182. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86828
Nessus Name: MS15-122: Security Update for Kerberos to Address Security Feature Bypass (3105256)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS15-122

Timelineinfo

08/14/2015 🔍
11/10/2015 +88 days 🔍
11/10/2015 +0 days 🔍
11/10/2015 +0 days 🔍
11/10/2015 +0 days 🔍
11/11/2015 +1 days 🔍
11/11/2015 +0 days 🔍
11/11/2015 +0 days 🔍
11/18/2024 +3295 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS15-122
Status: Confirmed

CVE: CVE-2015-6095 (🔍)
GCVE (CVE): GCVE-0-2015-6095
GCVE (VulDB): GCVE-100-79185
SecurityFocus: 77475 - Microsoft Windows Kerberos CVE-2015-6095 Local Security Bypass Vulnerability
SecurityTracker: 1034125
Vulnerability Center: 54332 - [MS15-122] Microsoft Windows Local Security Compromise due to Kerberos Vulnerability - CVE-2015-6095, Medium

scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍

Entryinfo

Created: 11/11/2015 17:08
Updated: 11/18/2024 14:47
Changes: 11/11/2015 17:08 (59), 05/03/2019 06:55 (9), 06/27/2022 10:49 (3), 06/27/2022 10:54 (1), 11/18/2024 14:47 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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