#VU17013 Information disclosure in Team Foundation Server - CVE-2019-0647

Vulnerability identifier: #VU17013

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-0647

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Team Foundation Server
Server applications / Application servers

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to Team Foundation Server does not properly handle variables marked as secret. A remote authenticated attacker can create a task group with a task containing a secret variable and gain access to variables that belong to other users.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Team Foundation Server: 2017 Update 3.1 - 2018 Update 3

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0647

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.