VDB-129847 · CVE-2019-0647 · BID 106650

Microsoft Team Foundation Server 2017 Update 3.1/2018 Update 1.2/2018 Update 3.2 information disclosure

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.
5.1	$0-$5k	0.00

A vulnerability has been found in Microsoft Team Foundation Server 2017 Update 3.1/2018 Update 1.2/2018 Update 3.2 (Programming Tool Software) and classified as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

An information disclosure vulnerability exists when Team Foundation Server does not properly handle variables marked as secret, aka "Team Foundation Server Information Disclosure Vulnerability." This affects Team.

The bug was discovered 01/15/2019. The weakness was disclosed 01/15/2019 with Microsoft as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release has been coordinated in cooperation with Microsoft. This vulnerability is known as CVE-2019-0647 since 11/26/2018. The attack can be launched remotely. A single 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 advisory points out:

An information disclosure vulnerability exists when Team Foundation Server does not properly handle variables marked as secret. An authenticated attacker who successfully exploited this vulnerability could view variables that were hidden by other users.

The vulnerability scanner Nessus provides a plugin with the ID 121189 (Security Updates for Microsoft Team Foundation Server (January 2019)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91500 (Microsoft Team Foundation Server Multiple Vulnerabilities (January 2019)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (121189). The entry 129846 is pretty similar.

Productinfo

Type

Programming Tool Software

Vendor

Microsoft

Name

Team Foundation Server

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 121189
Nessus Name: Security Updates for Microsoft Team Foundation Server (January 2019)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

11/26/2018 🔍
01/15/2019 +50 days 🔍
01/15/2019 +0 days 🔍
01/15/2019 +0 days 🔍
01/15/2019 +0 days 🔍
01/15/2019 +0 days 🔍
01/17/2019 +2 days 🔍
01/18/2019 +1 days 🔍
05/02/2020 +470 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2019-0647 (🔍)
SecurityFocus: 106650 - Microsoft Team Foundation Server CVE-2019-0647 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 01/18/2019 07:59
Updated: 05/02/2020 11:14
Changes: 01/18/2019 07:59 (73), 05/02/2020 11:14 (5)
Complete: 🔍