#VU22503 Information disclosure in TeamCity - CVE-2019-18363

Vulnerability identifier: #VU22503

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-18363

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TeamCity
Web applications / CRM systems

Vendor: JetBrains s.r.o.

Description

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

The vulnerability exists due to improper input validation. A remote attacker can gain unauthorized access to the history of builds of a deleted build configuration.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TeamCity: 3.1 - 2019.1.1

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External links
https://blog.jetbrains.com/blog/2019/10/29/jetbrains-security-bulletin-q3-2019/

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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.