#VU36008 Input validation error in Azure DevOps Server - CVE-2019-0857

Vulnerability identifier: #VU36008

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-0857

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Azure DevOps Server
Server applications / Application servers

Vendor: Microsoft

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

A spoofing vulnerability that could allow a security feature bypass exists in when Azure DevOps Server does not properly sanitize user provided input, aka 'Azure DevOps Server Spoofing Vulnerability'.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Azure DevOps Server: 2019

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External links
https://www.securityfocus.com/bid/107760
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0857

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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